Inventor
REIFF HELMUT
DE51 patents
⚠️ This page may combine multiple inventors who share the name “REIFF HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
46 patentsUS4663377AMay 5, 1987
Polyisocyanate preparation dispersible in water and their use as an additive for aqueous adhesives
BAYER AG181 citations99
US4108814AAug 22, 1978
Aqueous polyurethane dispersions from solvent-free prepolymers using sulfonate diols
BAYER AG259 citations98
US5342556AAug 30, 1994
Microcapsules made of isocyanates with groups containing polyethylene oxide
BAYER AG70 citations96
US4433095AFeb 21, 1984
Aqueous adhesives containing water-dispersible polyisocyanate preparations
BAYER AG102 citations96
US5508370AApr 16, 1996
Water-dispersible blocked isocyanates, method of manufacture, and use thereof
BAYER AG55 citations95
US3989869ANov 2, 1976
Process for making a polyurethane foam sheet and composites including the sheet
BAYER AG90 citations95
US5917083AJun 29, 1999
Process for the manufacture of allophanates having isocyanate groups
BAYER AG40 citations93
US3981831ASep 21, 1976
Inorganic-organic plastic
BAYER AG53 citations93
US5503714AApr 2, 1996
Chlorine-free multifunctional resins for paper finishing
BAYER AG30 citations92
US5459197AOct 17, 1995
Coating compositions, a process for their production and their use for coating water-resistant substrates
BAYER AG30 citations92
US4472550ASep 18, 1984
Emulsifiers, aqueous isocyanate emulsions containing them and their use as binders in a process for the manufacture of molded articles
BAYER AG34 citations92
US5693737ADec 2, 1997
Water-dispersible blocked isocyanates, method of manufacture, and use thereof
BAYER AG28 citations91
US3935146AJan 27, 1976
Polyurethaneamides dispersible in water and dispersions containing them
BAYER AG41 citations91
US5607482AMar 4, 1997
Crosslinking agents for textile printing fixing agents
BAYER AG38 citations90
US5922806AJul 13, 1999
Aqueous polyurethane dispersions based on 1-methyl-2,4-and/or -2,6-diisocyanatocyclohexane and their use as binders for glass fiber sizings
BAYER AG17 citations83
US6254644B1Jul 3, 2001
Biologically degradable leather
BAYER AG17 citations82
US4528117AJul 9, 1985
Aqueous isocyanate emulsions and their use as binders in a process for the production of shaped articles
BAYER AG18 citations82
US4142030AFeb 27, 1979
Inorganic-organic plastic
BAYER AG28 citations82
US4042536AAug 16, 1977
Inorganic-organic plastic
BAYER AG30 citations82
US3970601AJul 20, 1976
Colored poly (urethane) urea powders
BAYER AG21 citations82
US4289672ASep 15, 1981
Sizing glass fibers for thermoplastic resin reinforcement
BAYER AG26 citations80
US5739249AApr 14, 1998
Chlorine-free multifunctional resins for paper finishing
BAYER AG10 citations74
US5618317AApr 8, 1997
Bisulfite-blocked polyisocyanates as tanning agents
BAYER AG13 citations74
US5372731ADec 13, 1994
Composition and process for the finishing of textiles
BAYER AG13 citations74
US4870206ASep 26, 1989
Aromatic polyisocyanates, their preparation and use as components for adhesives
BAYER AG10 citations74
US4623416ANov 18, 1986
Aqueous solutions or dispersions of polyisocyanate polyaddition products, a process for their production and their use as, or in the production of, adhesives
BAYER AG18 citations74
US4576771AMar 18, 1986
Aqueous isocyanate emulsions and their use as binders in a process for the production of shaped articles
BAYER AG7 citations74
US3988268AOct 26, 1976
Polyurethane foam plastics which contain ionic groups
BAYER AG12 citations74
US3959348AMay 25, 1976
Liquid organic polyisocyanates containing carboxyl and/or carboxylate groups
BAYER AG15 citations74
US5820634AOct 13, 1998
Process for tanning leather
BAYER AG11 citations73
US4413112ANov 1, 1983
Emulsifiers, aqueous isocyanate emulsions containing them and their use as binders in a process for the manufacture of molded articles
BAYER AG14 citations73
US4106898AAug 15, 1978
Leather tanning with oligourethanes
BAYER AG6 citations73
US4106897AAug 15, 1978
Leather tanning with oligourethanes
BAYER AG11 citations73
US6143132ANov 7, 2000
Process for imparting wet strength to paper
BAYER AG15 citations71
US3943252AMar 9, 1976
Polyurethane casein coating composition
BAYER AG8 citations71
US5021520AJun 4, 1991
Crosslinked polyurethane-polyurea powders, a process for their production and their use as fillers in two-component polyurethane coating compositions
BAYER AG7 citations68
US5258452ANov 2, 1993
Polyisocyanate mixtures, a process for their production and their use
BAYER AG5 citations63
US4797427AJan 10, 1989
Aromatic diamines containing sulfonic acid aryl esters, a process for their production and their use in the production of polyurethane plastics
BAYER AG2 citations63
US4496491AJan 29, 1985
Aromatic diisocyanates containing N,N-disubstituted sulfonamide groups and processes for their production
BAYER AG3 citations63
US4440901AApr 3, 1984
Process for the production of plastic based on polyisocyanates
BAYER AG6 citations63
US4337333AJun 29, 1982
Substituted polyisocyanate or polyisocyanate mixtures of the diphenyl methane series containing chlorosulfonyl groups
BAYER AG3 citations63
US5476892ADec 19, 1995
Process for conditioning and stabilizing polyols
BAYER AG5 citations62
US5330841AJul 19, 1994
Aqueous coating composition and its use for coating mineral substrates
BAYER AG6 citations62
US5025064AJun 18, 1991
Process for the production of aqueous polyurethane dispersions
BAYER AG3 citations62
US4320068AMar 16, 1982
Process for the production of polyisocyanates having a biuret structure
BAYER AG3 citations60
US5210273AMay 11, 1993
Process for the preparation of mono- and oligourethanes
BAYER AG1 citations52
AGFA GEVAERT AG
3 patentsUS4388403AJun 14, 1983
Process for the preparation of dispersions of hydrophobic substances in water
AGFA GEVAERT AG25 citations82
US4840885AJun 20, 1989
Color photographic recording material for the dye diffusion transfer process
AGFA GEVAERT AG8 citations74
US4762777AAug 9, 1988
Polyurea and polyurethane compounds containing a photographically useful group, and a photographic recording material containing such compounds
AGFA GEVAERT AG2 citations56
MILES INC
1 patentShowing the top 50 of 51 patents by PatentIndex Score.