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1. 发明授权

US5919950A Squarylium compounds, and processes and intermediates for the synthesis of these compounds 失效
标题翻译：方酸化合物，以及用于合成这些化合物的方法和中间体
公开(公告)号：US5919950A
公开(公告)日：1999-07-06
申请号：US52212
申请日：1993-04-23
申请人： Paulina P. Garcia , John W. Lee , John L. Marshall , Donald A. McGowan , Anthony J. Puttick , Thomas K. Spencer , Stephen G. Stroud , Stephen J. Telfer , Michael J. Zuraw
发明人： Paulina P. Garcia , John W. Lee , John L. Marshall , Donald A. McGowan , Anthony J. Puttick , Thomas K. Spencer , Stephen G. Stroud , Stephen J. Telfer , Michael J. Zuraw
IPC分类号： C07D309/32 , C07D309/34 , C07D335/02 , C07D335/06 , C07D345/00 , C07D421/10 , C09B23/01 , C09B57/00 , G03G5/06 , G11B7/246 , G11B7/247 , C07D335/00
CPC分类号： G11B7/247 , C07D309/34 , C07D335/02 , C07D335/06 , C07D345/00 , C09B23/0025 , C09B23/0066 , C09B57/007 , G03G5/0611 , G11B7/246
摘要： Squarylium compounds of the formula: ##STR1## wherein Q.sup.1 and Q.sup.2 are each independently a pyrylium, thiopyrylium, selenopyrylium, benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus, and R.sup.1 and R.sup.2 are each independently an aliphatic or cycloaliphatic group, can be prepared by reacting a squaric acid derivative of the formula: ##STR2## with a compound of the formula Q.sup.2 CH.sub.2 R.sup.2 in the presence of a base.
摘要翻译：下式的方酸化合物：其中Q1和Q2各自独立地是吡喃鎓，硫代吡喃鎓，硒代吡喃鎓，苯并吡喃鎓，苯并硫代吡喃鎓或苯并硒吡喃鎓核，R1和R2各自独立地是脂族或脂环族基团，可以通过将式中：在碱的存在下使用式Q2CH2R2的化合物。

2. 发明授权

US06482950B1 Squarylium compounds, and processes and intermediates for the synthesis of these compounds 失效
标题翻译：方酸化合物，以及用于合成这些化合物的方法和中间体
公开(公告)号：US06482950B1
公开(公告)日：2002-11-19
申请号：US08479077
申请日：1995-06-06
申请人： Paulina P. Garcia , John W. Lee , John L. Marshall , Donald A. McGowan , Anthony J. Puttick , Thomas K. Spencer , Stephen G. Stroud , Stephen J. Telfer , Michael J. Zuraw
发明人： Paulina P. Garcia , John W. Lee , John L. Marshall , Donald A. McGowan , Anthony J. Puttick , Thomas K. Spencer , Stephen G. Stroud , Stephen J. Telfer , Michael J. Zuraw
IPC分类号： C07D47100
CPC分类号： G11B7/247 , C07D309/34 , C07D335/02 , C07D335/06 , C07D345/00 , C09B23/0025 , C09B23/0066 , C09B57/007 , G03G5/0611 , G11B7/246
摘要： Squarylium compounds of the formula: wherein Q1 and Q2 are each independently a pyrylium, thiopyrylium, selenopyrylium, benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus, and R1 and R2 are each independently an aliphatic or cycloaliphatic group, can be prepared by reacting a squaric acid derivative of the formula: with a compound of the formula Q2CH2R2 in the presence of a base. The derivatives of Formula II may be prepared by condensing a 2,3,4,4-tetrahalocyclobut-2-en-1-one with a compound of the formula Q1CH2R1 in the presence of a base to produce a compound of the formula: wherein Q1 and R1 are as defined above, and X represents chlorine or bromine, and hydrolyzing the compound of Formula III. Alternatively, the derivatives of Formula II may be prepared by reacting a diester, monoacid chloride monoester or diacid chloride of squaric acid with a compound of the formula Q1CH2R1 in the presence of a base, followed by hydrolysis of the resultant monoacid chloride or monoester derivative of the compound of Formula II to the parent compound.
摘要翻译：下式的方酸化合物：其中Q1和Q2各自独立地是吡喃鎓，硫代吡喃鎓，硒代吡喃鎓，苯并吡喃鎓，苯并硫代吡喃鎓或苯并硒吡喃鎓核，R1和R2各自独立地是脂族或脂环族基团，可以通过将式中：在碱的存在下使用式Q2CH2R2的化合物。式II的衍生物可以通过在碱的存在下将2,3,4,4-四卤代环丁-2-烯-1-酮与式Q1CH2R1的化合物缩合来制备下式的化合物：其中 Q1和R1如上定义，X表示氯或溴，并水解式III化合物。或者，式II的衍生物可以通过在碱的存在下使方酸的二酯，单酰氯单酯或二酸氯化物与式Q1CH2R1的化合物反应制备，然后水解所得的单酰氯或单酯衍生物式II化合物与母体化合物。

3. 发明授权

US5231190A Squarylium compounds, and processes and intermediates for the synthesis of these compounds 失效
标题翻译： SQUARYLIUM化合物，以及合成这些化合物的方法和中间体
公开(公告)号：US5231190A
公开(公告)日：1993-07-27
申请号：US696222
申请日：1991-05-06
申请人： Donald A. McGowan , Paulina P. Garcia , John W. Lee , Thomas K. Spencer , Stephen J. Telfer , Michael J. Zuraw
发明人： Donald A. McGowan , Paulina P. Garcia , John W. Lee , Thomas K. Spencer , Stephen J. Telfer , Michael J. Zuraw
IPC分类号： C07D309/32 , C07D309/34 , C07D335/02 , C07D335/06 , C07D345/00 , C07D421/10 , C09B23/01 , C09B57/00 , G03G5/06 , G11B7/246 , G11B7/247
CPC分类号： G11B7/247 , C07D309/34 , C07D335/02 , C07D335/06 , C07D345/00 , C09B23/0025 , C09B23/0066 , C09B57/007 , G03G5/0611 , G11B7/246
摘要： Squarylium compounds of the formula: ##STR1## wherein Q.sup.1 and Q.sup.2 are each independently a pyrylium, thiopyrylium, selenopyrylium, benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus, and R.sup.1 and R.sup.2 are each independently an aliphatic or cycloaliphatic group, can be prepared by reacting a squaric acid derivative of the formula: ##STR2## with a compound of the formula Q.sup.2 CH.sub.2 R.sup.2 in the presence of a base. The derivatives of Formula II may be prepared by condensing a 2,3,4,4-tetrahalocyclobut-2-en-1-one with a compound of the formula Q.sup.1 CH.sub.2 R.sup.1 in the presence of a base to produce a compound of the formula: ##STR3## wherein Q.sup.1 and R.sup.1 are as defined above, and X represents chlorine or bromine, and hydrolyzing the compound of Formula III. Alternatively, the derivatives of Formula II may be prepared by reacting a diester, monoacid chloride monoester or diacid chloride of squaric acid with a compound of the formula Q.sup.1 CH.sub.2 R.sup.1 in the presence of a base, followed by hydrolysis of the resultant monoacid chloride or monoester derivative of the compound of Formula II to the parent compound.

4. 发明授权

US5627014A Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use 失效
标题翻译： Benzyrylium squarylium和croconylium dye，及其制备和使用的方法
公开(公告)号：US5627014A
公开(公告)日：1997-05-06
申请号：US460229
申请日：1995-06-02
申请人： Peter K. Chu , Serajul Haque , Anthony J. Puttick , Socorro M. Ramos , Robert P. Short , Stephen G. Stroud , Stephen J. Telfer , Michael J. Zuraw
发明人： Peter K. Chu , Serajul Haque , Anthony J. Puttick , Socorro M. Ramos , Robert P. Short , Stephen G. Stroud , Stephen J. Telfer , Michael J. Zuraw
IPC分类号： B41M5/26 , B41M5/385 , B41M5/392 , B41M5/40 , B41M5/46 , C09B57/00 , C09B57/02 , G11B7/244 , G03C1/725 , G03C1/73 , G03C1/735
CPC分类号： B41M5/465 , C09B57/007 , C09B57/02 , G11B7/244 , B41M5/26 , B41M5/3854 , B41M5/392 , Y10S430/145
摘要： Dyes comprising an inner salt of a compound of the formula:Q.sup.1 =Z-Q.sup.2wherein:Q.sup.1 is a 4-(benz[b]-4H-pyrylium)methylidene, 4-(benz[b]-4H-thiopyrylium)methylidene or 4-(benz[b]-4H-selenopyrylium)methylidene grouping;Z is a 1,3-(2-hydroxy-4-oxo-2-cyclobutylidene) hydroxide or 1,3-(2-hydroxy-4,5-dioxo-2-cyclopentylidene) hydroxide ring; andQ.sup.2 is a 4-(benz[b]-4H-pyran-4-ylidene)methyl, 4-(benz[b]-4H-thiopyran-4-ylidene)methyl or 4-(benz[b]-4H-selenopyran-4-ylidene)methyl grouping;wherein at least one of the groupings Q.sup.1 and Q.sup.2 carries at its 2-position a substituent in which a non-aromatic carbon atom is bonded directly to the benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus, subject to the proviso that if this 2-substituent contains an aromatic nucleus, this aromatic nucleus is not conjugated with the benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus to which it is attached, are useful as visible and near infra-red absorbers, having high extinction coefficients and improved solubility in polymeric media.
摘要翻译：染料，其包含下式化合物的内盐：Q1 = Z-Q2其中：Q1是4-（苯并[b] -4H-吡喃鎓）亚甲基，4-（苯并[b] -4H-硫代吡啶鎓）亚甲基或 4-（苯并[b] -4H-硒代吡咯鎓）亚甲基; Z是1,3-（2-羟基-4-氧代-2-环亚丁基）氢氧化物或1,3-（2-羟基-4,5-二氧代-2-亚环戊基）氢氧化物环; 并且Q2是4-（苯并[b] -4H-吡喃-4-亚基）甲基，4-（苯并[b] -4H-噻喃-4-亚基）甲基或4-（苯并[b] 硒代吡喃-4-亚基）甲基; 其中分组Q1和Q2中的至少一个在其2-位上带有非芳族碳原子直接键合到苯并吡喃鎓，苯并硫代吡喃鎓或苯并硒吡喃鎓核的取代基，条件是如果该2-取代基含有芳香核，该芳香核不与其连接的苯并吡喃鎓，苯并硫代吡喃鎓或苯并硒吡喃鎓核共轭，可用作可见光和近红外吸收剂，具有高消光系数和在聚合物介质中改善的溶解性。

5. 发明授权

US5977351A Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use 失效
公开(公告)号：US5977351A
公开(公告)日：1999-11-02
申请号：US65350
申请日：1993-05-20
申请人： Peter K. Chu , Serajul Haque , Anthony J. Puttick , Socorro M. Ramos , Robert P. Short , Stephen G. Stroud , Stephen J. Telfer , Michael J. Zuraw
发明人： Peter K. Chu , Serajul Haque , Anthony J. Puttick , Socorro M. Ramos , Robert P. Short , Stephen G. Stroud , Stephen J. Telfer , Michael J. Zuraw
IPC分类号： B41M5/26 , B41M5/385 , B41M5/392 , B41M5/40 , B41M5/46 , C09B57/00 , C09B57/02 , G11B7/244 , C07D345/00 , C07D311/04 , C07D335/04
CPC分类号： C09B57/007 , B41M5/465 , C09B57/02 , G11B7/244 , B41M5/26 , B41M5/3854 , B41M5/392
摘要： Dyes comprising an inner salt of a compound of the formula:Q.sup.1 =Z-Q.sup.2wherein:Q.sup.1 is a 4-(benz[b]-4H-pyrylium)methylidene, 4-(benz[b]-4H-thiopyrylium)methylidene or 4-(benz[b]-4H-selenopyrylium)methylidene grouping;Z is a 1,3-(2-hydroxy-4-oxo-2-cyclobutylidene) hydroxide or 1,3-(2-hydroxy-4,5-dioxo-2-cyclopentylidene) hydroxide ring; andQ.sup.2 is a 4-(benz[b]-4H-pyran-4-ylidene)methyl, 4-(benz[b]-4H-thiopyran-4-ylidene)methyl or 4-(benz[b]-4H-selenopyran-4-ylidene)methyl grouping;wherein at least one of the groupings Q.sup.1 and Q.sup.2 carries at its 2-position a substituent in which a non-aromatic carbon atom is bonded directly to the benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus, subject to the proviso that if this 2-substituent contains an aromatic nucleus, this aromatic nucleus is not conjugated with the benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus to which it is attached, are useful as visible and near infra-red absorbers, having high extinction coefficients and improved solubility in polymeric media.

6. 发明授权

US5405976A Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use 失效
标题翻译： Benzyrylium squarylium和croconylium dye，及其制备和使用的方法
公开(公告)号：US5405976A
公开(公告)日：1995-04-11
申请号：US126427
申请日：1993-09-24
申请人： Stephen J. Telfer , Robert P. Short , Stephen G. Stroud , Anthony J. Puttick , Socorro; M. Ramos , Michael J. Zuraw
发明人： Stephen J. Telfer , Robert P. Short , Stephen G. Stroud , Anthony J. Puttick , Socorro; M. Ramos , Michael J. Zuraw
IPC分类号： B41M5/26 , B41M5/385 , B41M5/392 , B41M5/40 , B41M5/46 , C09B57/00 , C09B57/02 , G11B7/244 , C07D311/58 , C07D335/06 , C07D405/10
CPC分类号： B41M5/465 , C09B57/007 , C09B57/02 , G11B7/244 , B41M5/26 , B41M5/3854 , B41M5/392 , Y10S430/145
摘要： Dyes comprising an inner salt of a compound of the formula:Q.sup.1 =Z-Q.sup.2wherein:Q.sup.1 is a 4-(benz[b]-4H-pyrylium)methylidene, 4-(benz[b]-4H-thiopyrylium)methylidene or 4-(benz[b]-4H-selenopyrylium)methylidene grouping;Z is a 1,3-(2-hydroxy-4-oxo-2-cyclobutylidene) hydroxide or 1,3-(2-hydroxy-4,5-dioxo-2-cyclopentylidene) hydroxide ring; andQ.sup.2 is a 4-(benz[b]-4H-pyran-4-ylidene)methyl, 4-(benz[b]-4H-thiopyran-4-ylidene)methyl or 4-(benz[b]-4H-selenopyran-4-ylidene)methyl grouping;wherein at least one of the groupings Q.sup.1 and Q.sup.2 carries at its 2-position a substituent in which a non-aromatic carbon atom is bonded directly to the benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus, subject to the proviso that if this 2-substituent contains an aromatic nucleus, this aromatic nucleus is not conjugated with the benzpyrylium, benzthiopyrylium or benzselenopyrylium nucleus to which it is attached, are useful as visible and near infra-red absorbers, having high extinction coefficients and improved solubility in polymeric media.
摘要翻译：染料，其包含下式化合物的内盐：Q1 = Z-Q2其中：Q1是4-（苯并[b] -4H-吡喃鎓）亚甲基，4-（苯并[b] -4H-硫代吡啶鎓）亚甲基或 4-（苯并[b] -4H-硒代吡咯鎓）亚甲基; Z是1,3-（2-羟基-4-氧代-2-环亚丁基）氢氧化物或1,3-（2-羟基-4,5-二氧代-2-亚环戊基）氢氧化物环; 并且Q2是4-（苯并[b] -4H-吡喃-4-亚基）甲基，4-（苯并[b] -4H-噻喃-4-亚基）甲基或4-（苯并[b] 硒代吡喃-4-亚基）甲基; 其中分组Q1和Q2中的至少一个在其2-位上带有非芳族碳原子直接键合到苯并吡喃鎓，苯并硫代吡喃鎓或苯并硒吡喃鎓核的取代基，条件是如果该2-取代基含有芳香核，该芳香核不与其连接的苯并吡喃鎓，苯并硫代吡喃鎓或苯并硒吡喃鎓核共轭，可用作可见光和近红外吸收剂，具有高消光系数和在聚合物介质中改善的溶解性。

7. 发明授权

US5445917A Imaging medium 失效
标题翻译：成像介质
公开(公告)号：US5445917A
公开(公告)日：1995-08-29
申请号：US319925
申请日：1994-10-07
申请人： Jurgen M. Grasshoff , John L. Marshall , Richard A. Minns , Mark R. Mischke , Anthony J. Puttick , Lloyd D. Taylor , Stephen J. Telfer
发明人： Jurgen M. Grasshoff , John L. Marshall , Richard A. Minns , Mark R. Mischke , Anthony J. Puttick , Lloyd D. Taylor , Stephen J. Telfer
IPC分类号： B41M5/30 , B41M5/333 , C07C49/593 , G03C1/675 , G03C1/73 , G03F7/004 , G03C1/492 , G03C1/494 , G03C1/76
CPC分类号： B41M5/30 , C07C49/593 , G03C1/73 , G03F7/0045
摘要： Acid can be generated by exposing a superacid precursor to actinic radiation effective to generate superacid from the superacid precursor and heating the superacid in admixture with a secondary acid generator capable of undergoing thermal decomposition to produce a secondary acid. The superacid catalyzes decomposition of the secondary acid generator, thus increasing the quantity of strong acid present in the medium. The resultant secondary acid can be used to effect a color change in an acid-sensitive material, so providing an imaging process.
摘要翻译：可以通过将超强酸前体暴露于有效地从超酸前体产生超酸的加强超酸以及能够进行热分解以产生二次酸的二次酸发生物的混合物来加热超酸来产生酸。超酸催化二次酸发生器的分解，从而增加介质中存在的强酸的量。所得到的二次酸可用于在酸敏感材料中进行颜色变化，从而提供成像过程。

8. 发明授权

US5453345A Imaging medium 失效
标题翻译：成像介质
公开(公告)号：US5453345A
公开(公告)日：1995-09-26
申请号：US141852
申请日：1993-10-22
申请人： Jurgen M. Grasshoff , John L. Marshall , Richard A. Minns , Anthony J. Puttick , Lloyd D. Taylor , Stephen J. Telfer
发明人： Jurgen M. Grasshoff , John L. Marshall , Richard A. Minns , Anthony J. Puttick , Lloyd D. Taylor , Stephen J. Telfer
IPC分类号： B41M5/30 , B41M5/333 , C07C49/593 , G03C1/675 , G03C1/73 , G03F7/004 , G03C1/492 , G03C1/494 , G03C1/76
CPC分类号： C07C49/593 , B41M5/30 , G03C1/73 , G03F7/0045 , Y10S430/145 , Y10S430/146
摘要： Acid can be generated by exposing a mixture of a superacid precursor and a dye to actinic radiation of a first wavelength which does not, in the absence of the dye, cause decomposition of the superacid precursor to form the corresponding superacid, thereby causing absorption of the actinic radiation and decomposition of part of the superacid precursor, with formation of a protonated product derived from the dye, then irradiating the mixture with actinic radiation of a second wavelength, thereby causing decomposition of part of the remaining superacid precursor, with formation of unbuffered superacid. Preferably, following these irradiations, the imaging medium is heated while the superacid is admixed with a secondary acid generator capable of being thermally decomposed to form a second acid, the thermal decomposition of the secondary acid generator being catalyzed by the presence of the superacid. The acid generation process may be used for imaging by bringing the superacid or second acid into contact with an acid-sensitive material which changes color on contact with acid, or the superacid may be used to trigger polymerization, depolymerization or other reactions.
摘要翻译：可以通过将超强酸前体和染料的混合物暴露于第一波长的光化辐射而产生酸，在第一波长的光化辐射下，在不存在染料的情况下，超级酸性前体不会分解形成相应的超强酸，从而引起吸收光化辐射和部分超酸前体的分解，形成衍生自染料的质子化产物，然后用第二波长的光化辐射照射混合物，从而导致部分剩余的超酸前体分解，形成无缓冲的超酸。优选地，在这些照射之后，加热成像介质，同时将超强酸与能够热分解形成第二酸的次级酸发生剂混合，二次酸产生剂的热分解由超强酸的存在催化。酸生成方法可以通过使超酸或第二酸与酸接触改变颜色的酸敏感材料接触而使用，或者超酸可用于引发聚合，解聚或其它反应。

9. 发明授权

US5395736A Process for generation of acid and for imaging, and imaging medium for use therein 失效
标题翻译：用于产生酸和成像的方法以及用于其中的成像介质
公开(公告)号：US5395736A
公开(公告)日：1995-03-07
申请号：US141860
申请日：1993-10-22
申请人： Jurgen M. Grasshoff , John L. Marshall , Richard A. Minns , Mark R. Mischke , Anthony J. Puttick , Lloyd D. Taylor , Stephen J. Telfer
发明人： Jurgen M. Grasshoff , John L. Marshall , Richard A. Minns , Mark R. Mischke , Anthony J. Puttick , Lloyd D. Taylor , Stephen J. Telfer
IPC分类号： B41M5/30 , B41M5/333 , C07C49/593 , G03C1/675 , G03C1/73 , G03F7/004 , G03C1/494 , G03C1/492 , G03C1/76
CPC分类号： B41M5/30 , C07C49/593 , G03C1/73 , G03F7/0045
摘要： Acid can be generated by exposing a superacid precursor to actinic radiation effective to generate superacid from the superacid precursor and heating the superacid in admixture with a secondary acid generator capable of undergoing thermal decomposition to produce a secondary acid. The superacid catalyzes decomposition of the secondary acid generator, thus increasing the quantity of strong acid present in the medium. The resultant secondary acid can be used to effect a color change in an acid-sensitive material, so providing an imaging process.
摘要翻译：可以通过将超强酸前体暴露于有效地从超酸前体产生超酸的加强超酸以及能够进行热分解以产生二次酸的二次酸发生物的混合物来加热超酸来产生酸。超酸催化二次酸发生器的分解，从而增加介质中存在的强酸的量。所得到的二次酸可用于在酸敏感材料中进行颜色变化，从而提供成像过程。

10. 发明授权

US5578424A Process for generation of unbuffered super-acid and for imaging 失效
标题翻译：产生无缓冲超酸和成像的方法
公开(公告)号：US5578424A
公开(公告)日：1996-11-26
申请号：US376037
申请日：1995-01-20
申请人： Jurgen M. Grasshoff , John L. Marshall , Richard A. Minns , Anthony J. Puttick , Lloyd D. Taylor , Stephen J. Telfer
发明人： Jurgen M. Grasshoff , John L. Marshall , Richard A. Minns , Anthony J. Puttick , Lloyd D. Taylor , Stephen J. Telfer
IPC分类号： B41M5/30 , B41M5/333 , C07C49/593 , G03C1/675 , G03C1/73 , G03F7/004 , G03C1/725 , G03C1/735 , G03C5/00
CPC分类号： C07C49/593 , B41M5/30 , G03C1/73 , G03F7/0045 , Y10S430/145 , Y10S430/146
摘要： Acid can be generated by exposing a mixture of a superacid precursor and a dye to actinic radiation of a first wavelength which does not, in the absence of the dye, cause decomposition of the superacid precursor to form the corresponding superacid, thereby causing absorption of the actinic radiation and decomposition of part of the superacid precursor, with formation of a protonated product derived from the dye, then irradiating the mixture with actinic radiation of a second wavelength, thereby causing decomposition of part of the remaining superacid precursor, with formation of unbuffered superacid. Preferably, following these irradiations, the imaging medium is heated while the superacid is admixed with a secondary acid generator capable of being thermally decomposed to form a second acid, the thermal decomposition of the secondary acid generator being catalyzed by the presence of the superacid. The acid generation process may be used for imaging by bringing the superacid or second acid into contact with an acid-sensitive material which changes color on contact with acid, or the superacid may be used to trigger polymerization, depolymerization or other reactions.
摘要翻译：可以通过将超强酸前体和染料的混合物暴露于第一波长的光化辐射而产生酸，在第一波长的光化辐射下，在不存在染料的情况下，超级酸性前体不会分解形成相应的超强酸，从而引起吸收光化辐射和部分超酸前体的分解，形成衍生自染料的质子化产物，然后用第二波长的光化辐射照射混合物，从而导致部分剩余的超酸前体分解，形成无缓冲的超酸。优选地，在这些照射之后，加热成像介质，同时将超强酸与能够热分解形成第二酸的次级酸发生剂混合，二次酸产生剂的热分解由超强酸的存在催化。酸生成方法可以通过使超酸或第二酸与酸接触改变颜色的酸敏感材料接触而使用，或者超酸可用于引发聚合，解聚或其它反应。

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