P

Inventor

BENTZ FRANCIS

DE20 patents

Patents

20 patents
US4252652AFeb 24, 1981

Process of using a semi-permeable membrane of acrylonitrile copolymers

BAYER AG41 citations92
US4217227AAug 12, 1980

Semipermeable membranes of copolyamides

BAYER AG33 citations90
US4066396AJan 3, 1978

Dyeing dry-spun aromatic polyamides

BAYER AG18 citations81
US4056564ANov 1, 1977

Dihydroxy sulphonates containing ether structures

BAYER AG13 citations73
US4048221ASep 13, 1977

Diols containing sulphonic acid groups based on dihydroxy alkenes

BAYER AG7 citations73
US4108936AAug 22, 1978

Process for dyeing wet-spun aromatic polyamides in gel form

BAYER AG7 citations72
US4059403ANov 22, 1977

Process for dyeing wet-spun aromatic polyamides in gel form

BAYER AG15 citations72
US4245110AJan 13, 1981

Polyalkylene oxide-containing urethane polyols with sulphonic acid groups

BAYER AG17 citations69
US4221903ASep 9, 1980

Semipermeable membranes of heterocyclic copolyamides

BAYER AG9 citations69
US4163088AJul 31, 1979

Antistatic polyamide compositions with polyalkyleneglycol ether having secondary terminal urethane groups

BAYER AG8 citations67
US4076925AFeb 28, 1978

Stabilizing crosslinkable copolymers comprising acrylonitrile, N-methylol alkyl ether of unsaturated carboxylic acid amide with (a) amide (b) lactam or (c) urea compounds

BAYER AG6 citations62
US4059556ANov 22, 1977

Spinnable solutions containing crosslinkable copolymers of acrylonitrile and N-methylol alkyl ether acrylamides

BAYER AG4 citations62
US4052355AOct 4, 1977

Acrylonitrile polymer solutions

BAYER AG5 citations62
US4145500AMar 20, 1979

Stabilization of crosslinkable polymers

BAYER AG5 citations61
US4078889AMar 14, 1978

Process for dyeing dry-spun aromatic polyamides

BAYER AG2 citations61
US3935174AJan 27, 1976

2-Methylene propane phosphonic acid esters and their copolymer with acrylonitrile

BAYER AG2 citations60
US4166186AAug 28, 1979

Dihydroxy carbamates containing sulphonic acid groups

BAYER AG0 citations51
US4111920ASep 5, 1978

Polyether urethanes as antistatic additives in polyamide compositions

BAYER AG1 citations50
US3940376AFeb 24, 1976

Permanently antistatic shaped structures of acrylonitrile polymers

BAYER AG0 citations41
US3991015ANov 9, 1976

High molecular weight copolyamides containing quinazoline dione units

BAYER AG0 citations36