P

Inventor

BLAHAK JOHANNES

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

BAYER AG

28 patents
US4248930AFeb 3, 1981

The production of polyurethane resins and laminates

BAYER AG63 citations96
US4143003AMar 6, 1979

Polyurethanes made with linear polyamines

BAYER AG60 citations96
US4186257AJan 29, 1980

Process for the preparation of new segmented polyurethane resins derived from block copolymers being linked together through ester and/or urethane and/or urea groups

BAYER AG32 citations92
US4348536ASep 7, 1982

Odorless catalysts for the synthesis of polyurethanes

BAYER AG33 citations88
US4754001AJun 28, 1988

Thermosetting cyanate resin and the use thereof for the production of composite materials and IPNs

BAYER AG15 citations82
US4631319ADec 23, 1986

Thermosetting cyanate resin and the use thereof for the production of composite materials and IPNs

BAYER AG22 citations82
US4169206ASep 25, 1979

Polymers containing amino groups and hydroxyl and/or mercapto groups and the use thereof for the production of polyurethane resins

BAYER AG25 citations82
US4323657AApr 6, 1982

Dispersions of high melting polyesters in polyhydroxyl compounds, a process for their preparation and their use in the production of polyurethanes

BAYER AG20 citations79
US3975428AAug 17, 1976

Aromatic amines formed by the reaction of isatoic acid anhydride with compounds containing at least one tertiary nitrogen atom and at least two hydroxyl groups

BAYER AG24 citations79
US4310633AJan 12, 1982

Hexahydrotriazine carboxylates and the use thereof as catalysts in the production of polyisocyanurate plastics

BAYER AG9 citations74
US4260557AApr 7, 1981

Polymer containing amino groups and hydroxyl and/or mercapto groups and the use thereof for the production of polyurethane resins

BAYER AG12 citations74
US4228249AOct 14, 1980

Segmented polyurethane resins

BAYER AG13 citations74
US4136091AJan 23, 1979

Process for the preparation of polymers containing amino groups and hydroxyl and/or mercapto groups

BAYER AG9 citations74
US4133943AJan 9, 1979

Process for the production of polyurethane elastomers and foams

BAYER AG18 citations74
US4100116AJul 11, 1978

Polyurethane foams from polyether polyols which contain amide groups

BAYER AG8 citations74
US4096101AJun 20, 1978

Process for the production of chemically after-cross-linked polyurethane resins

BAYER AG13 citations73
US4007239AFeb 8, 1977

Aromatic diamines

BAYER AG11 citations73
US3971741AJul 27, 1976

Water-insoluble polyazo dyestuff comprising two or three identical azo dyestuffs joined to a central nucleus by carboxyl bridges

BAYER AG12 citations72
US4107103AAug 15, 1978

Polyurethanes produced from phosphorus containing flame retarding agents which are reactive with isocyanates

BAYER AG16 citations71
US4061697ADec 6, 1977

Phosphorus containing flame retarding agents which are reactive with isocyanates

BAYER AG7 citations71
US4016143AApr 5, 1977

Polyurethanes based on aromatic polyamines

BAYER AG16 citations71
US3991023ANov 9, 1976

Polyurethanes wherein the chain-lengthening agents are benzoic ester diamines

BAYER AG6 citations71
US4152510AMay 1, 1979

Polyurethane elastomers and a process for their production

BAYER AG4 citations63
US4022720AMay 10, 1977

Process for the production of polyurethane foams

BAYER AG4 citations62
US4107152AAug 15, 1978

Polyurethanes produced from phosphorus containing flame retarding agents which are reactive with isocyanates

BAYER AG4 citations60
US4659797AApr 21, 1987

Matrix materials and a process for their preparation

BAYER AG1 citations52
US4260754AApr 7, 1981

Hexahydrotriazine carboxylates and the use thereof as catalysts in the production of polyisocyanurate plastics

BAYER AG1 citations52
US4101569AJul 18, 1978

Process for the preparation of 4,4'-dinitrodiphenyl carbonate

BAYER AG1 citations52

METZELER KAUTSCHUK

3 patents