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1. 发明申请

WO1998008889A3 PROCESS FOR PRODUCING POLYAMIDES FROM AMINONITRILES 审中-公开
公开(公告)号：WO1998008889A3
公开(公告)日：1998-03-05
申请号：PCT/EP1997004640
申请日：1997-08-26
申请人： BASF AKTIENGESELLSCHAFT , WEISS, Robert , KRAUSS, Dieter , KELLER, Dieter , PIPPER, Gunter , HARDER, Wolfgang , LUDWIG, Alfons , MOHRSCHLADT, Ralf
发明人： BASF AKTIENGESELLSCHAFT
IPC分类号： C08G69/00

2. 发明申请

WO9808889A2 PROCESS FOR PRODUCING POLYAMIDES FROM AMINONITRILES 审中-公开
标题翻译：一种从氨基腈PRODUCING聚酰胺
公开(公告)号：WO9808889A2
公开(公告)日：1998-03-05
申请号：PCT/EP9704640
申请日：1997-08-26
申请人： BASF AG , WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
发明人： WEISS ROBERT , KRAUSS DIETER , KELLER DIETER , PIPPER GUNTER , HARDER WOLFGANG , LUDWIG ALFONS , MOHRSCHLADT RALF
IPC分类号： C08G69/00 , C08G69/04 , C08G69/08 , C08G69/28 , C08G69/36
CPC分类号： C08G69/04 , C08G69/08 , C08G69/28 , C08G69/36
摘要： A process for producing a polyamide by reacting at least one aminonitrile with water has the following steps: (1) at least one aminonitrile is reacted with water at a temperature from 100 to 360 DEG C and pressure from 0.1 to 35.x 10 Pa, yielding a reaction mixture; (2) the reaction mixture is further reacted at a temperature from 150 to 400 DEG C and pressure lower than the pressure in step 1. The temperature and pressure are selected to yield a first gaseous phase and a first liquid or solid phase or a mixture of a first solid and a first liquid phase. The first gaseous phase is separated from the first liquid or solid phase or the mixture of a first liquid and a first solid phase is separated; and (3) the first liquid or solid phase or the mixture of a first liquid and first solid phase is mixed with a water-containing gaseous or liquid phase at a temperature from 150 to 360 DEG C and pressure from 0.1 to 30 x 10 Pa, yielding a product mixture. Also disclosed are other embodiments of this process and the thus produced polyamides.
摘要翻译：一种用于通过至少一个氨基腈与水反应，包括下列步骤制备聚酰胺过程：（1）在100至360摄氏度的温度和0.1〜35×10的压力<至少一个氨基腈与水反应 6> Pa至获得得到的反应混合物，（2）进一步在150〜400℃和压力是比在步骤1中的压力更低的温度下的反应混合物反应，所述温度和压力被选择为使得该第一气相和第一液体或第一固相或第一固体和第一液相的混合物获得，并从所述第一液体或第一固相或第一液体和第1固相的混合物中的第一气体相分离出是，（3）将第一液体或第一固相或第一液体和第1固相的与气态或混合物含有液体相包含水，在150〜360℃的温度和0.1〜30×10 <6> Pa的压力以获得产物混合物中获得，以及这样的方法的其它实施例中，将如此制备的聚酰胺本身。

3. 发明申请

WO9926996A3 CONTINUOUS POLYAMIDE EXTRACTION PROCESS 审中-公开
标题翻译：连续提取聚酰胺的方法
公开(公告)号：WO9926996A3
公开(公告)日：1999-09-02
申请号：PCT/EP9807575
申请日：1998-11-24
申请人： BASF AG , ERBES JOERG , LUDWIG ALFONS , PIPPER GUNTER
发明人： ERBES JOERG , LUDWIG ALFONS , PIPPER GUNTER
IPC分类号： C08J3/12 , B01D11/02 , B29B9/16 , C08G69/04 , C08G69/16 , C08G69/46
CPC分类号： C08G69/46 , B01D11/0242 , C08G69/04 , C08G69/16
摘要： A process is disclosed for continuously extracting polyamide particles from a circulating extraction solution in a vertical extraction column subdivided into two zones. The polyamide is treated in the first zone with an aqueous epsilon -caprolactam solution with 40-95 wt. % epsilon -caprolactam as extraction agent at 100 to 140 DEG C, then subsequently treated with water in the second zone. Finally, the caprolactam can be extracted in a manner known per se. The process allows polyamide with a low dimer content to be economically produced.
摘要翻译：本发明涉及一种用于聚酰胺粒子的连续萃取的方法与引导在循环萃取溶液在垂直，分成两个区萃取柱，其中，所述聚酰胺的ε-在与含水的ε--Caprolactamlösung与40中的第一区，以95重量％的己内酰胺作为萃取剂在100至140℃下处理，然后在第二区域中用水进行后处理。随后，可以以常规方式提取己内酰胺。该方法可以经济地生产低二聚体含量的聚酰胺。

4. 发明申请

WO1996005241A1 METHOD FOR PRODUCING POLYASPARTIC ACID 审中-公开
标题翻译：用于生产聚天冬氨酸
公开(公告)号：WO1996005241A1
公开(公告)日：1996-02-22
申请号：PCT/EP1995003003
申请日：1995-07-28
申请人： BASF AKTIENGESELLSCHAFT , KRONER, Matthias , SCHORNICK, Gunnar , FEINDT, Hans-Jacob , MEYER, Thomas , LUDWIG, Alfons , METZMANN, Udo
发明人： BASF AKTIENGESELLSCHAFT
IPC分类号： C08G69/10
CPC分类号： C08G69/10 , C02F5/12 , C08G73/1092 , C11D3/3719
摘要： Disclosed is a method for producing polyaspartic acid by means of condensation polymerization of finely divided aspartic acid at temperatures above 150 DEG C in the presence of acid catalysts, the acid catalysts being first brought into contact with the finely divided aspartic acid in the reaction zone in which the condensation polymerization takes place.
摘要翻译：一种用于在温度高于150℃，在酸催化剂的存在下，该方法包括利用微粒天冬氨酸的缩聚制备的聚天冬氨酸，使酸性催化剂仅在缩聚发生与细粒天冬氨酸在接触反应区的过程。

5. 发明申请

WO1995034596A1 PROCESS FOR PREPARING POLYASPARTIC ACID IMIDES 审中-公开
标题翻译：用于生产polyaspartimides
公开(公告)号：WO1995034596A1
公开(公告)日：1995-12-21
申请号：PCT/EP1995002045
申请日：1995-05-30
申请人： BASF AKTIENGESELLSCHAFT , KRONER, Matthias , MEYER, Thomas , KLEINKE, Andreas , SCHORNICK, Gunnar , MINGES, Roland , LUDWIG, Alfons
发明人： BASF AKTIENGESELLSCHAFT
IPC分类号： C08G73/10
CPC分类号： B01F17/0042 , C08G73/1092 , C11D3/3719
摘要： A process is disclosed for preparing polyaspartic acid imides. A mixture of aspartic acid and phosphoric acid in a molar ratio from 1:0.8 to 1:3 is condensed at a temperature from 80 to 150 DEG C into a pre-condensate liquid in the reaction conditions, and the pre-condensate is then polycondensed under shearing at temperatures from 180 to 250 DEG C in a layer with 0.1 to 10 mm thickness.
摘要翻译：一种用于制备polyaspartimides过程，其包括在摩尔比为1的（a）天冬氨酸和磷酸的混合物：0.8至1：3在80冷凝至150℃下，以形成一个预缩合，这是液体在反应条件下，和（b）预缩合然后在0.1至10mm的层厚度在剪切下的180〜250℃的温度下缩聚。

6. 发明申请

WO1996006879A1 PROCESS FOR PREPARING POLYASPARTIC ACID SALTS 审中-公开
标题翻译：用于生产聚天冬氨酸盐
公开(公告)号：WO1996006879A1
公开(公告)日：1996-03-07
申请号：PCT/EP1995003224
申请日：1995-08-16
申请人： BASF AKTIENGESELLSCHAFT , KRONER, Matthias , SCHORNICK, Gunnar , STROTMANN, Uwe , SCHWENDEMANN, Volker , MEYER, Thomas , LUDWIG, Alfons
发明人： BASF AKTIENGESELLSCHAFT
IPC分类号： C08G73/06
CPC分类号： C02F5/12 , C08G73/1092 , C11D3/3719
摘要： A process is disclosed for preparing polyaspartic acid salts by treating polycondensates in an aqueous medium with bases. At least 0.7 equivalents of an alkaline metal and/or alkaline earth metal base per mole of the aspartic acid, aspartic acid imide and/or amide units contained in the polycondensates are used. The bases are added during 30 minutes to 20 hours to an aqueous suspension of the polycondensates of aspartic acid heated up to 40 to 140 DEG C, and the reaction mixture is optionally allowed to continue to react. These alkaline metal and/or alkaline earth metal salts of polyaspartic acids obtained by treating aspartic acid polycondensates in an aqueous medium with more than 1 equivalent of an alkaline metal and/or alkaline earth metal base for reducing the molar mass of polycondensates are used as additives for washing and cleaning agents.
摘要翻译：一种用于通过在与碱的水性介质中处理的缩聚物制备聚天冬氨酸的盐的方法，其特征在于，使用至少0.7当量的碱金属和/或每天冬酰亚胺的摩尔存在于缩聚物，天冬氨酸和/或天冬酰胺单元和碱土金属碱的在天冬氨酸目标造成，将反应混合物的缩聚物的40〜140℃下加热的含水淤浆30分钟至20小时内的碱基可以仍然被允许通过处理天冬氨酸的缩聚物反应并使用碱金属和/或聚天冬氨酸的碱土金属盐的在具有多于1个当量的碱金属和/或下降低缩聚物的分子量，作为添加剂洗涤剂和清洁剂的碱土金属的水性介质是可用的。

7. 发明专利

BG104458A CONTINUOUS P0LYAMIDE EXTRACTION PROCESS 未知
公开(公告)号：BG104458A
公开(公告)日：2001-01-31
申请号：BG10445800
申请日：2000-05-18
申请人： ERBES JOERG , LUDWIG ALFONS , PIPPER GUNTER
发明人： ERBES JOERG , LUDWIG ALFONS , PIPPER GUNTER
IPC分类号： C08J3/12 , B01D11/02 , B29B9/16 , C08G69/00 , C08G69/04 , C08G69/16 , C08G69/46
摘要： A process is disclosed for continuously extracting polyamide particles from a circulating extraction solution in a vertical extraction column subdivided into two zones. The polyamide is treated in the first zone with an aqueous epsilon-caprolactam solution with 40-95 wt. % epsilon-caprolactam as an extraction agent at 100 to 140 degrees C, then subsequently treated with water in the second zone. Finally, the caprolactam can be extracted in a manner known per se. The process allows polyamide with a low dimer content to be economically produced. 10 claims, 2 figures

8. 发明专利

DE8803124U1 未知
公开(公告)号：DE8803124U1
公开(公告)日：1988-04-21
申请号：DE8803124
申请日：1988-03-08
申请人： LUDWIG, ALFONS, 8151 SACHSENKAM, DE
IPC分类号： F16C19/28 , F16C33/60 , B21B31/07 , B21C37/04 , F16C33/66

9. 发明专利

DE7714804U1 未知
公开(公告)号：DE7714804U1
公开(公告)日：1977-11-17
申请号：DE7714804
申请日：1976-12-17
申请人： LUDWIG, ALFONS, 8151 SACHSENKAM
IPC分类号： B26D1/00

10. 发明专利

CA2153426A1 FLOATING FEED MONITORING AND CONTAINMENT DEVICE 未知
公开(公告)号：CA2153426A1
公开(公告)日：1997-01-08
申请号：CA2153426
申请日：1995-07-07
申请人： ALBRIGHT LAWRENCE JOHN , LUDWIG ALFONS
发明人： ALBRIGHT LAWRENCE JOHN , LUDWIG ALFONS
IPC分类号： A01K61/80 , A01K61/10 , A01K61/85 , A01K61/02
摘要： A feed monitoring and containment device comprises a collar having an open top and bottom, a vertical skirt extending from the collar such that when the device is in use, the skirt is underwater and together with the collar, acts as a barrier to the passage of floating feed from within the confines of the device. This device is for use in an environment of aquatic animal culture to enable monitoring and containment of floating feed.

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