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公开(公告)号：US3585171A
公开(公告)日：1971-06-15
申请号：US3585171D
申请日：1968-06-27
Applicant: BASF AG
Inventor： STEINHOFER ADOLF , PATSCH MANFRED , DOERFEL HELMUT , FALKENSTEIN GEORG , JESTERICH WOLFGANG-DIETER
CPC classification number: C08G69/20
Abstract: A PROCESS FOR ACCELERATING POLYMERIZATION OF LACTAMS CARRIED OUT IN THE PRESENCE OF ALKALINE CATALYSTS AT TEMPERATURES OF FROM 80* TO 200*C. USING LACTAM-N-CARBOXYLIC ACID CARBAZOLAMIDES AS ACTIVATORS.
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公开(公告)号：US3703595A
公开(公告)日：1972-11-21
申请号：US3703595D
申请日：1970-04-20
Applicant: BASF AG
Inventor： FALKENSTEIN GEORG , PEINE HANS GEORG , DOERFEL HELMUT , RAFF PAUL , SCHUSTER LUDWIG
CPC classification number: C08G69/26
Abstract: GLASS-CLEAR POLYAMIDES CONSISTING ESSENTIALLY OF POLYMERIC CONDENSATION PRODUCTS OF A MIXTURE OF STEREOISOMERS OF 2,2-BIS-(4-AMINOCYCLOHEXYL)-PROPANE AQND AN ALIPHATIC OR CARBOXYCLIC DICARBOXYLIC ACID HAVING SIX TO TEN CARBON ATOMS AND, IF DESIRED, CAPROLACTAM OR ADIPIC ACID AND HEXAMETHYLENE-DIAMINE. THE POLYAMIDES ARE USEFUL FOR THE PRODUCTION OF MOLDINGS.
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公开(公告)号：US3903126A
公开(公告)日：1975-09-02
申请号：US42371573
申请日：1973-12-11
Applicant: BASF AG
Inventor： WOERNER FRANK P , POHLEMANN HEINZ , DOERFEL HELMUT , FALKENSTEIN GEORG
IPC: C07C275/62 , C08G18/78 , C08G18/80 , C07C119/04
CPC classification number: C08G18/7831 , C07C275/62 , C07C2601/14 , C08G18/8038
Abstract: Biuret group-containing polyisocyanates are produced by reacting aliphatic and/or cycloaliphatic diamines with polyisocyanates.
Abstract translation: 通过使脂族和/或脂环族二胺与多异氰酸酯反应制备含缩脲基的多异氰酸酯。
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公开(公告)号：US3458474A
公开(公告)日：1969-07-29
申请号：US3458474D
申请日：1966-10-18
Applicant: BASF AG
Inventor： WILHELM HANS , MUELLER GERHARD , PFLUEGER RICHARD , DOERFEL HELMUT
CPC classification number: C08K5/0091 , C08L77/00
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公开(公告)号：US3621001A
公开(公告)日：1971-11-16
申请号：US3621001D
申请日：1968-07-08
Applicant: BASF AG
Inventor： STEINHOFER ADOLF , DOERFEL HELMUT , FALKENSTEIN GEORG , JESERICH WOLFGANG-DIETER , REICHEL BERND
CPC classification number: C08G69/20
Abstract: A process for accelerating the base catalyzed polymerization of lactams carried out at temperatures of 80* to 200* C. using N,N'' -disubstituted arylenedicarbamoyl lactams as activators.
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Patent Agency Ranking
公开(公告)号：US3562221A
公开(公告)日：1971-02-09
申请号：US3562221D
申请日：1968-01-15
Applicant: BASF AG
Inventor： STEINHOFER ADOLF , DOERFEL HELMUT , FALKENSTEIN GEORG , JESERICH WOLFGANG-DIETER
CPC classification number: C08G69/20
Abstract: A PROCESS FOR ACCELERATING ANIONIC POLYMERIZATION OF LACTAMS IN THE PRESENCE OF ALKALINE POLYMERIZATION CATALYSTS AND ACTIVATORS AT FROM 80* TO 200*C. IN THE PRESENCE OR ABSENCE OF INERT SOLVENTS, IN WHICH N-(N'',N''-DIPHENYLCARBAMOYL)-LACTAMS HAVING FOUR TO THIRTEEN MEMBERS IN THE LACTAM RING ARE USED AS ACTIVATORS.
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7.发明授权Production of hydrolysis-resistant polyurethane elastomers based on adipic acid; 1,6-hexanediol; 2,2,4-trimethyl-1,3-pentanediol polyesters 失效基于ADIPIC生产抗水性聚氨酯弹性体; 1,6-HEXANEDIOL; 2,2,4-三甲基-1,3-苯二酚聚酯
公开(公告)号：US3496144A
公开(公告)日：1970-02-17
申请号：US3496144D
申请日：1966-11-29
Applicant: BASF AG
Inventor： KUNDE JOACHIM , WILHELM HANS , DOERFEL HELMUT , RAUCH KONRAD
CPC classification number: C08G18/4238 , C08G18/10 , Y10S528/903 , Y10S528/906 , C08G18/30
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8.发明授权
公开(公告)号：US3657195A
公开(公告)日：1972-04-18
申请号：US3657195D
申请日：1969-02-19
Applicant: BASF AG
Inventor： DOERFEL HELMUT , ZETTLER HANS DIETER
CPC classification number: B29C47/767 , B29C47/0009 , C08G69/28
Abstract: A PROCESS FOR THE PRODUCTION OF HIGH MOLECULAR WEIGHT NYLON 6,6 BY CONTINUOUS FURTHER CONDENSATION OF LOW MOLECULAR WEIGHT NYLON 6,6 IN A SELF-CLEANING SCREW EXTRUDER REACTOR PROVIDED WITH AT LEAST ONE DEGASSING ORIFICE AT ELEVATED TEMPERATURE AND A PRESSURE OF FROM 50 MM. HG TO 2 ATMOSPHERES GAUGE AND WHILE SUPPLYING THROUGH THE SCREWS AN AMOUNT OF ENERGY OF FROM 0.02 TO 0.2 KILOWATT HOURS PER KILOGRAM OF POLYAMIDE.
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公开(公告)号：US3591564A
公开(公告)日：1971-07-06
申请号：US3591564D
申请日：1968-04-03
Applicant: BASF AG
Inventor： RAFF PAUL , SCHUSTER LUDWIG , BECHT GUENTER , DOERFEL HELMUT
CPC classification number: C08G69/26
Abstract: PRODUCTION OF TRANSPARENT POLYAMIDES OF TETRAHYDROTRICYCLOPENTADIENYLENE DIAMINES HAVING THE FORMULA:
DI(H2N-)PERHYDRO-4,9:5,8-DIMETHANOCYCLOPENTA(B)NAPHTHALENE
WHEREIN SAID DIAMINES ARE POLYCONDENSED WITH DICARBOXYLIC ACIDS, DICARBOXYLIC ESTERS OR DICARBOXYLIC CHLORIDES AT ELEVATED TEMPERATURE, AND NEW POLYAMIDES CONTAINING SAID DIAMINES.-
公开(公告)号：US3573245A
公开(公告)日：1971-03-30
申请号：US3573245D
申请日：1967-08-29
Applicant: BASF AG
Inventor： MUELLER GERHARD , DOERFEL HELMUT , WILHELM HANS
Abstract: IN WHICH X DEVOTES A HYDROGEN RADICAL HAVING ONE OR TWO CARBON ATOMS.
=N-X-COOH
STABILIZATION OF POLYAMIDES BY ADDING OF IODINE COMPOUNDS AND COPPER COMPLEXES OF COMPOUNDS CONTAINING TWICE TO FOUR TIME THE STRUCTURAL UNIT:
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