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 patentsUS4248930AFeb 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 patentsUS4312672AJan 26, 1982
Release agent for removing plastics, especially polyurethane plastics from molds
METZELER KAUTSCHUK45 citations90
US4297442AOct 27, 1981
Cellular elastomeric foams and method of production using an expanding agent containing a component reactive with the polyamine chain-lengthening agent
METZELER KAUTSCHUK12 citations74
US4365000ADec 21, 1982
Molded bodies of vulcanized rubber having a vulcanized-on layer of varnish
METZELER KAUTSCHUK5 citations61