P

Inventor

GRIGAT ERNST

26 patents
⚠️ This page may combine multiple inventors who share the name “GRIGAT ERNST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

23 patents
US4195132AMar 25, 1980

Cross-linked plastics based on cyanic acid esters and method of production thereof

BAYER AG71 citations95
US4051212ASep 27, 1977

Process for the continuous degradation of plastics

BAYER AG56 citations95
US4094852AJun 13, 1978

Process for the production of polytriazines in the presence of high-boiling esters

BAYER AG43 citations92
US6071984AJun 6, 2000

Biodegradable plastics filled with reinforcing materials

BAYER AG24 citations91
US5827905AOct 27, 1998

Biodegradable plastics filled with reinforcing materials

BAYER AG31 citations91
US6307003B1Oct 23, 2001

Compostable adhesive

BAYER AG21 citations84
US4046796ASep 6, 1977

Process for the production of polyfunctional cyanic acid esters

BAYER AG21 citations81
US4028393AJun 7, 1977

Process for the production of polyfunctional cyanic acid esters

BAYER AG31 citations81
US3978028AAug 31, 1976

Process for preparing s-triazine prepolymers by condensation of an aromatic polyhydroxy compound with cyanuric chloride and thereafter reacting the condensation product with cyanogen halide in the presence of base

BAYER AG20 citations81
US5256702AOct 26, 1993

Method of foaming thermoplastic polycarbonate

BAYER AG16 citations74
US5726227AMar 10, 1998

Polymer moulding compositions stabilised with phosphorous acid esters

BAYER AG9 citations73
US5455311AOct 3, 1995

Thermoplastic block copolyesters capable of being composted for use as packaging materials

BAYER AG7 citations73
US4511680AApr 16, 1985

Process for the continuous high temperature glycolytic cleavage of polyurethane plastics waste in screw machines

BAYER AG16 citations73
US4136967AJan 30, 1979

Screw machine for the continuous degradation of plastics

BAYER AG13 citations73
US4066577AJan 3, 1978

High molecular weight polytriazines of soluble polymeric n-cyano-isourea ethers

BAYER AG9 citations73
US4059567ANov 22, 1977

High molecular weight polytriazines of soluble polymeric N-cyano-isourea ethers

BAYER AG11 citations73
US4049630ASep 20, 1977

Process for preparation of s-triazine prepolymers

BAYER AG9 citations73
US4855504AAug 8, 1989

Process for producing higher molecular weight amino compounds having reduced monomeric amine content

BAYER AG3 citations63
US4094861AJun 13, 1978

Process for the production of non-inflammable polytriazines

BAYER AG6 citations62
US4031067AJun 21, 1977

Polytriazines and a process for their production

BAYER AG6 citations62
US4399236AAug 16, 1983

Process for separating polyurethane hydrolyzates into polyether and diamine

BAYER AG6 citations60
US4282367AAug 4, 1981

Process for the separation of polyurethane foam hydrolysates into polyol and diamine

BAYER AG3 citations59
US5223548AJun 29, 1993

Method of foaming thermoplastic polycarbonate

BAYER AG1 citations52

BIOTEC BIOLOG NATURVERPACK

2 patents

AGFA GEVAERT AG

1 patent