P

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 patents
US4663377AMay 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 patents

MILES INC

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.