Inventor
HEITZ WALTER
DE35 patents
⚠️ This page may combine multiple inventors who share the name “HEITZ WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
26 patentsUS4677185AJun 30, 1987
Process for the preparation of bifunctional polyphenylene oxide
BAYER AG77 citations95
US4605732AAug 12, 1986
Process for the production of polyarylene sulphides with functional end groups
BAYER AG30 citations93
US4521584AJun 4, 1985
Process for the production of bifunctional polyphenylene ethers
BAYER AG34 citations92
US4605713AAug 12, 1986
Process for the production of polyarylene sulphides with functional end groups
BAYER AG23 citations82
US4946937AAug 7, 1990
Vinylene copolymer
BAYER AG5 citations74
US4758652AJul 19, 1988
Process for preparing oligomers and telechels having carboxy-piperazine units, and new oligomers and telechels of poly(carboxypiperazine)
BAYER AG8 citations74
US4686262AAug 11, 1987
Thermoplastic block copolyesters, a process for the preparation thereof and their use for the production of mouldings
BAYER AG8 citations74
US4567226AJan 28, 1986
Elastomeric block copolyamides
BAYER AG7 citations74
US4537951AAug 27, 1985
Process for the production of optionally branched polyarylene sulfides
BAYER AG8 citations74
US4525579AJun 25, 1985
Process for the production of optionally branched polyarylene sulphides with polyhalogenated polyaromatic compound
BAYER AG14 citations74
US4473686ASep 25, 1984
Block copolymers
BAYER AG16 citations74
US4327035AApr 27, 1982
Process for the preparation of carbonic acid esters
BAYER AG14 citations74
US4769423ASep 6, 1988
Block copolymers of optionally substituted poly(oxy-1,4-phenylene) segments and liquid crystalline segments
BAYER AG6 citations73
US4487918ADec 11, 1984
Process for the production of bifunctional polyphenylene ethers
BAYER AG15 citations73
US4950737AAug 21, 1990
Catalytic/solvent preparation of vinylene copolymers from ethylene and haloaromatic compound
BAYER AG3 citations63
US4866154ASep 12, 1989
Aromatic polyester from substituted hydroquinone and biphenyl dicarboxylic acid
BAYER AG5 citations63
US4382131AMay 3, 1983
Thermoplastic block copolyesters, a process for their production and their use for the production of mouldings
BAYER AG6 citations63
US4331610AMay 25, 1982
Process for the preparation of carbonic acid esters
BAYER AG5 citations63
US5006636AApr 9, 1991
Process for the production of SiO2 containing polybenzamides
BAYER AG2 citations62
US4696999ASep 29, 1987
Process for the production of polybenzamide with halide catalyst
BAYER AG4 citations62
US4598143AJul 1, 1986
Process for the preparation of aromatic polyamide in the presence of SiCl4
BAYER AG2 citations62
US4412063AOct 25, 1983
Polytetrahydrofurans containing terminal acrylate or methacrylate groups
BAYER AG6 citations62
US5026804AJun 25, 1991
Polymerization of halo aryl olefin
BAYER AG0 citations52
US4839436AJun 13, 1989
Polyphenylene oxides with high molecular weight and a process for their preparation and their use
BAYER AG0 citations52
US4743674AMay 10, 1988
Aromatic polyesters, processes for their preparation, and their use for the preparation of molecularly reinforced polymers
BAYER AG0 citations51
US4835244AMay 30, 1989
Substituted aromatic polyesters
BAYER AG1 citations49
MAYER GRAMMELSPACH DIANAWERK
3 patentsUS5565642AOct 15, 1996
Compressed gas weapon
MAYER GRAMMELSPACH DIANAWERK42 citations92
US5339789AAug 23, 1994
Low-recoil firearm
MAYER GRAMMELSPACH DIANAWERK27 citations92
US4649893AMar 17, 1987
Compressed-air weapon with piston rod hook element and counter-hook engagement system
MAYER GRAMMELSPACH DIANAWERK5 citations62