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2. 发明授权

US3903598A Cigar cutter 失效
标题翻译：雪茄刀
公开(公告)号：US3903598A
公开(公告)日：1975-09-09
申请号：US43156574
申请日：1974-01-07
申请人： DUPONT S T
发明人： LEFEBVRE PHILIPPE PIERRE
IPC分类号： A24F13/26 , A24C5/12
CPC分类号： A24F13/26
摘要： A cigar cutter comprising two relatively pivotal parts, one of which carries two movable blades and the other of which is so engaged with the blades to cause a simultaneous radial and rotational movement of the blades as the parts are pivotably displaced with respect to one another. The blades initially face an opening in the plates in which the end of a cigar can be inserted and when the parts are pivotably displaced the cutting edges of the blades effect a simultaneous inward and circumferential cutting action on the cigar end.
摘要翻译：一种包括两个相对枢转部分的雪茄切割器，其中一个承载两个可动叶片，另一个与叶片接合，从而随着部件相对于彼此可枢转地移位而使叶片同时径向和旋转运动。叶片最初面向板中的开口，其中可以插入雪茄的端部，并且当部件可枢转地移位时，叶片的切割刃在雪茄端部上实现同时向内和圆周的切割动作。

3. 发明授权

US3891147A Process for storing a liquid for its distribution in the gaseous state 失效
标题翻译：用于储存其分布在气态的液体的方法
公开(公告)号：US3891147A
公开(公告)日：1975-06-24
申请号：US43232974
申请日：1974-01-10
申请人： DUPONT S T
发明人： KLEINE JEAN JACQUES
IPC分类号： F17C11/00 , A61L9/04
CPC分类号： F17C11/007
摘要： A method of storing liquified gas under pressure in a container from which the liquid is released as a gas into an atmosphere or region at a lower pressure than the storage pressure. This container additionally contains a solid polymer on which the liquid acts as a swelling agent so that the polymer becomes a gel which releases the liquid stored therein as a gas.
摘要翻译：将液体气体在压力下储存在液体以气体的形式从气体释放到比储存压力低的气氛或区域的方法。该容器另外含有固体聚合物，液体在其上起膨胀剂的作用，使得聚合物成为将作为气体储存在其中的液体释放的凝胶。

4. 发明授权

US3813208A Flint lighters with a rotary knurled wheel 失效
标题翻译：具有旋转手轮的FLINT LIGHTTER
公开(公告)号：US3813208A
公开(公告)日：1974-05-28
申请号：US29183172
申请日：1972-09-12
申请人： DUPONT S T
发明人： MALAMOUD J
IPC分类号： F23Q2/46 , F23Q1/02
CPC分类号： F23Q2/46
摘要： In a flint lighter of the disposable type the rotary knurled wheel has a central bore by which it is mounted on a spindle or elongated boss between a pair of deformable plastic holdfasts. One end of the boss is formed integrally with one holdfast and the other end is ball shaped and inserted into an opening in the other holdfast after the knurled wheel is placed on the boss. Alternatively, the holdfasts can each be provided with a facing boss, each located in an opposite end of the bore, or the wheel may have a central boss projecting from each side and located in openings in the holdfasts.
摘要翻译：在一次性类型的火石打火机中，旋转滚花轮具有中心孔，通过该中心孔将其安装在一对可变形塑料保持架之间的主轴或细长凸台上。凸台的一端与一个紧固件一体地形成，另一端是球形的，并且在滚花轮被放置在凸台上之后插入另一端的开口中。或者，保持件可以各自设置有面对的凸台，每个位于孔的相对端中，或者轮可以具有从每个侧面突出并位于保持架中的开口中的中心凸台。

5. 发明授权

US3649676A Process for the manufacture of unsaturated alcohol-esters 失效
标题翻译：不饱和醇的制备方法
公开(公告)号：US3649676A
公开(公告)日：1972-03-14
申请号：US3649676D
申请日：1969-09-12
申请人： ROURE BERTRAND DUPONT SA
发明人： GALFRE ANDRE MARC , PLATTIER MARCEL , TEISSEIRE PAUL JOSE
IPC分类号： C07C45/59 , C07C45/60 , C07C49/24 , C07C69/145 , C07D303/04 , C07D303/16 , C07D309/04 , C07D317/22 , C07C67/00
CPC分类号： C07D317/22 , C07C45/59 , C07C45/60 , C07C49/24 , C07C67/29 , C07D303/04 , C07D303/16 , C07D309/04 , Y02P20/55 , C07C69/16
摘要： UNSATURATED ALCOHOL-ESTERS OF THE FORMULA

H2C=C(-R2)-CH(-OH)-R1-O-AC

WHEREIN R1 REPRESENTS A DIVALENT HYDROCARBON GROUP, R2 REPRESENTS A HYDROGEN ATOM OR A LOWER ALKYL GROUP AND AC REPRESENTS AN ACYL RADICAL OF A CARBOXYLIC ACYL GROUP, ARE PREPARED, WITHOUT SUBSTANTIAL CLEAVAGE OF THE ESTER GROUP, BY ISOMERISING AN EPOXIDE FO THE GENERAL FORMULA.

2-R2,2-(CH3-),3-(AC-O-R1-)OXIRANE

USING A TRILLOWERALKYL ALUMINIUM COMPOUND AS CATALYST TO EFFECT THE ISOMERISATION. EPOXY-CITONELLYL ACETATE OBTAINABLE BY SAID ISOMERISATION REACTION IS CONVERTED INTO THE TETRAHYDROPYRAN KNOWN AS "ROSE-OXIDE" WHICH LATTER IS A VALUABLE ORDORIFEROUS MATERIAL.

6. 发明授权

US3578715A Novel diketones and derivatives thereof 失效
标题翻译：新奇巧克力及其衍生物
公开(公告)号：US3578715A
公开(公告)日：1971-05-11
申请号：US3578715D
申请日：1966-10-10
申请人： ROURE BERTRAND DUPONT SA
发明人： CORBIER BERNARD PIERRE , TEISSEIRE PAUL JOSE
IPC分类号： C07C45/71 , C07D317/72 , C11B9/00 , C07C49/30
CPC分类号： C07D317/72 , C07C49/753 , C11B9/0034 , C11B9/0057 , C11B9/0073
摘要： NOVEL DIKETONES, ILLUSTRATIVE OF WHICH ARE LOWER ENOLETHERS SUCH AS THOSE OF THE FORMULA

3,3,5,5-TETRA(CH3-),4-(CH2=C(-O-R)-)-CYCLOHEXANONE

WHERE R REPRESENTS A LOWER ALKYL GROUP, AND PROCESS FRO PREPARING THE SAME WHEREIN CERTAIN PARTICULAR INTERMEDIATE KETONES ARE REACTED WITH LOWER ALKYLORTHOFORMATES IN THE PRESENCE OF AN ACID CATALYST.

10. 发明授权

US3840331A Compressed gas lighters 失效
标题翻译：压缩气体照明灯
公开(公告)号：US3840331A
公开(公告)日：1974-10-08
申请号：US29183272
申请日：1972-09-12
申请人： DUPONT S T
发明人： MALAMOUD J
IPC分类号： F23Q2/16 , F23D13/24
CPC分类号： F23Q2/163
摘要： A compressed gas lighter in which the flame is stabilized against extinction by drafts or air currents by the provision of a member disposed over the burner outlet in the stream of emergent gas. This member can be a tongue whose free end is over the outlet.

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