P

Inventor

WITTE JOSEF

DE41 patents
⚠️ This page may combine multiple inventors who share the name “WITTE JOSEF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

36 patents
US4242232ADec 30, 1980

Catalyst and its preparation and use for the solution polymerization of conjugated dienes

BAYER AG79 citations95
US4260707AApr 7, 1981

Solution polymerization of conjugated dienes

BAYER AG74 citations94
US4537982AAug 27, 1985

Production of organic nickel compounds

BAYER AG27 citations91
US5686542ANov 11, 1997

Process for the preparation of branched low-pressure polyethylene, new low-pressure polyethylenes, and preformed bifunctional catalysts

BAYER AG34 citations90
US3976609AAug 24, 1976

Process for the preparation of distributions

BAYER AG41 citations90
US4798873AJan 17, 1989

Polyolefinecarboxylic acids, their preparation and their use for preparing polyolefine-polycarbonate block copolymers

BAYER AG16 citations81
US4691036ASep 1, 1987

Organic nickel compounds, the production thereof and the use thereof as polymerization catalysts

BAYER AG21 citations81
US3954713AMay 4, 1976

Polycarbonate powder

BAYER AG20 citations79
US4754066AJun 28, 1988

Age protection agents, the production thereof and the polymers which contain them

BAYER AG6 citations74
US5395888AMar 7, 1995

Thermoplastically processible poly-vinylarene/polyurethane block copolymers

BAYER AG7 citations73
US5242977ASep 7, 1993

Poly-α-olefin/polyurethane block copolymers, processes for their production and their use

BAYER AG11 citations73
US4929689AMay 29, 1990

Polyolefinecarboxylic acids, their preparation and their use for preparing polyolefine-polycarbonate block copolymers

BAYER AG9 citations73
US4620021AOct 28, 1986

Organic nickel compounds, production and use thereof as catalysts in the polymerization of olefins

BAYER AG17 citations73
US4331823AMay 25, 1982

Catalyst, preparation thereof and use thereof in the preparation of telomeric polybutadiene homo- or co-polymers

BAYER AG15 citations73
US4316820AFeb 23, 1982

Catalyst, preparation thereof and use thereof in the preparation of telomeric polybutadiene homo- or co-polymers

BAYER AG8 citations73
US4276389AJun 30, 1981

Graft polymers containing silicon

BAYER AG7 citations73
US4189558AFeb 19, 1980

Process for the production of butadiene-propylene copolymers

BAYER AG10 citations73
US4145497AMar 20, 1979

Uranium-containing mixed catalysts and their use for the polymerization of olefins

BAYER AG6 citations73
US4028434AJun 7, 1977

Graft polymers of vinyl phosphonic acid esters

BAYER AG10 citations73
US4849488AJul 18, 1989

Polymerization of acrylic derivatives

BAYER AG9 citations71
US3960758AJun 1, 1976

Non-discoloring stabilizers

BAYER AG10 citations71
US4893911AJan 16, 1990

Polarizers based on polyacetylene, and the production thereof

BAYER AG12 citations69
US4654387AMar 31, 1987

Antiagers and polymers containing them

BAYER AG3 citations63
US4812546AMar 14, 1989

New copolymers of alpha-cyanoacrylates and acrylates, their preparation and their use

BAYER AG4 citations62
US4384090AMay 17, 1983

Process for producing polyacetylene

BAYER AG5 citations62
US4288581ASep 8, 1981

Alternating isoprene-ethylene copolymers and a process for the preparation thereof

BAYER AG3 citations62
US5616529AApr 1, 1997

Process for the preparation of branched low-pressure polyethylene, new low-pressure polyethylenes, and preformed bifunctional catalysts

BAYER AG5 citations60
US3966637AJun 29, 1976

Catalysts

BAYER AG5 citations60
US3933778AJan 20, 1976

Process for the polymerisation of cyclooctadiene

BAYER AG4 citations60
US5023299AJun 11, 1991

Polyolefinecarboxylic acids, their preparation and their use for preparing polyolefine-polycarbonate block copolymers

BAYER AG3 citations58
US4833201AMay 23, 1989

Polymer products containing polyacetylene and process for the polymerization of acetylene in the presence of polymers

BAYER AG2 citations54
US4769422ASep 6, 1988

Polymer products containing polyacetylene and process for the polymerisation of acetylene in the presence of polymers

BAYER AG3 citations54
US4378456AMar 29, 1983

Terpolymers of ethylene, butadiene and isoprene and a process for their preparation

BAYER AG1 citations51
US4020257AApr 26, 1977

Catalysts

BAYER AG1 citations49
US4046710ASep 6, 1977

Polymerization of cyclic olefins

BAYER AG0 citations48
US4216121AAug 5, 1980

Catalyst, its preparation and use in the polymerization of butadiene

BAYER AG0 citations41

AGFA GEVAERT AG

2 patents

BUNAWERKE HUELS GMBH

1 patent

DEGUSSA

1 patent

KERNFORSCHUNGSANLAGE JUELICH

1 patent