公开(公告)号：US3684797A

公开(公告)日：1972-08-15

申请号：US3684797D

申请日：1970-07-08

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  CLASSENS JOHANNES E L

IPC: B01D9/02 ,  C07D201/16 ,  C07D41/06

CPC classification number: C07D201/16

Abstract: Laurolactam is purified by crystallization from solution in a solvent mixture of acetonitrile and water. The water content of the solvent mixture does not exceed 45 percent. Laurolactams thus purified are useful in the preparation of polyamides.

Abstract translation: 在乙腈和水的溶剂混合物中从溶液中结晶来纯化月桂内酰胺。 溶剂混合物的水分含量不超过45％。 如此纯化的月桂内酰胺可用于制备聚酰胺。

公开(公告)号：US2830072A

公开(公告)日：1958-04-08

申请号：US63101356

申请日：1956-12-28

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  OTTENHEYM JOHANNES H

IPC: C07C255/24

CPC classification number: C07C255/00

公开(公告)号：US3437655A

公开(公告)日：1969-04-08

申请号：US3437655D

申请日：1964-05-13

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  BIGOT JOHAN A

IPC: C07D201/04 ,  C07D41/06

CPC classification number: C07D201/04

公开(公告)号：US3404148A

公开(公告)日：1968-10-01

申请号：US52809766

申请日：1966-02-17

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W

IPC: C07D201/04 ,  C07D201/16

CPC classification number: C07D201/16 ,  C07D201/04 ,  Y02P20/582

公开(公告)号：US3639359A

公开(公告)日：1972-02-01

申请号：US3639359D

申请日：1969-03-21

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  KOOIJMAN SEBASTIAAN E M ,  GREGOIRE JOHANNES H C M A ,  VERBRUGGE HENNY

IPC: C08G69/20 ,  C08G20/18

CPC classification number: C08G69/20

Abstract: A PROCESS FOR THE ANIONIC POLYMERIZATION OF LACTAMS IS DISCLOSED, WHEREIN THE LACTAMS ARE POLYMERIZED IN THE PRESENCE OF A CATALYST AND A PROMOTER, WITH THE PROMOTER BEING DI-$-CAPROLACTIM-ETHER-DIHYDROCHLORIDE OR DI-$-CAPROLACTIM-EITHER-MONOHYDROCHLORIDE, WHICH LATTER COMPOUND MAY CONTAIN UP TO 90 MOLE PERCENT OF DI-$-CAPROLACTIM-EITHER. THE PROMOTERS OF THE PRESENT INVENTION ALLOW THE POLYMERIZATION TIME TO BE REDUCED. THE POLYMERIZATION OF LACTAMS PRODUCES USEFUL POLYAMIDES.

公开(公告)号：US3389134A

公开(公告)日：1968-06-18

申请号：US50597065

申请日：1965-11-01

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  BIGOT JOHAN A

IPC: C07D201/04

CPC classification number: C07D201/04

公开(公告)号：US3365443A

公开(公告)日：1968-01-23

申请号：US44930165

申请日：1965-04-19

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W

IPC: C07D201/04

CPC classification number: C07D201/04

公开(公告)号：US3919197A

公开(公告)日：1975-11-11

申请号：US42200773

申请日：1973-12-05

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  PENDERS JOSEF M

IPC: C07D223/10 ,  C07D211/76 ,  C07D225/02 ,  C07D227/087 ,  C07D211/22 ,  C07D223/08

CPC classification number: C07D227/087

Abstract: A beta-alkoxy-omega-lactam is prepared by subjecting to heating in the liquid phase an omega-amino-beta-alkoxy-carboxylic acid ester. The heating may be carried out at a temperature of 150* to 350*C. If the amino compound is prepared by hydrogenation of the corresponding cyano compound, it is not necessary to separate the amino compound from the reaction mixture. The lactams obtained may be applied for preparation of polyamides and copolyamides.

Abstract translation: 通过在液相中加热ω-氨基-β-烷氧基 - 羧酸酯制备β-烷氧基-ω-内酰胺。 加热可以在150〜350℃的温度下进行。如果通过氢化相应的氰基化合物制备氨基化合物，则不需要将氨基化合物与反应混合物分离。 获得的内酰胺可以用于制备聚酰胺和共聚酰胺。

公开(公告)号：US3657330A

公开(公告)日：1972-04-18

申请号：US3657330D

申请日：1970-01-07

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  GREGORIE JOHANNES H C M A

IPC: C07C51/43 ,  C07C51/42 ,  C07C51/48

CPC classification number: C07C51/43 ,  C07C63/26

Abstract: A PROCESS IS DESCRIBED FOR THE PURIFICATION OF CRUDE TEREPHATHALIC ACID, CONTAMINATED WITH IMPURITIES SUCH AS PARA-TOLUIC ACID AND PARA-CARBOXY BENZALDEHYDE, WHEREIN THE CRUDE TEREPHTHALIC ACID IS DISSOLVED IN A SOLVENT MIXTURE OF WATER AND ACETONITRILE AS ELEVATED PRESSURES AND TEMPERATURES IN EXCESS OF NORMAL BOILING TEMPERATURE OF THE SOLVENT MIXTURE, AND THE SOLUTION THEREAFTER COOLED TO A LOWER TEMPERATURE TO PERMIT RECRYSTALLIZATION OF PURIFIED TEREPHTHALIC ACID FROM THE MOTHER LIQUOR.

公开(公告)号：US3652552A

公开(公告)日：1972-03-28

申请号：US3652552D

申请日：1967-12-18

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  HOFMAN JOHANNES H A

IPC: C07D201/10 ,  C07D29/16

CPC classification number: C07D201/10

Abstract: A PROCESS FOR PRODUCING LACTAMS FROM CYCLOALKANES IS DISCLOSED. CYCLOALKANES ARE REACTED WITH NITROSYL CHLORIDE WHILE SUBJECTED TO IRRADIATION, IN THE PRESENCE OF A NITRILE WHICH DOES NOT CONTAIN ANY METHYLENE GROUPS CAPABLE OF REACTING WITH NITROSYL UNDER THE REACTION CONDITIONS. WLACTAMS ARE DIRECTLY PRODUCED BY HEATING THE REACTION PRODUCT.