Inventor · disambiguated record
Helmut Reiff
Also filed as: REIFF HELMUT · REIFF HELMUT DIPL CHEM DR · REIFF HELMUT F
56 granted patents·1,686 citations·filing 1974–1998
99Inventor score
Top patents by PatentIndex Score
56 records- 0198US4108814AAqueous polyurethane dispersions from solvent-free prepolymers using sulfonate diolsBAYER AG·Filed 1977·Granted Aug 22, 1978·259 cites·9 claims
- 0297US4663377APolyisocyanate preparation dispersible in water and their use as an additive for aqueous adhesivesBAYER AG·Filed 1986·Granted May 5, 1987·181 cites·12 claims
- 0396US4118411ALow-temperature storage stable liquid diphenylmethane diisocyanatesMOBAY CHEMICAL CORP·Filed 1977·Granted Oct 3, 1978·83 cites·22 claims
- 0496US4115429ALow-temperature storage stable liquid diphenylmethane diisocyanatesMOBAY CHEMICAL CORP·Filed 1977·Granted Sep 19, 1978·82 cites·18 claims
- 0596US3989869AProcess for making a polyurethane foam sheet and composites including the sheetBAYER AG·Filed 1974·Granted Nov 2, 1976·90 cites·27 claims
- 0695US4433095AAqueous adhesives containing water-dispersible polyisocyanate preparationsBAYER AG·Filed 1982·Granted Feb 21, 1984·102 cites·6 claims
- 0794US3981831AInorganic-organic plasticBAYER AG·Filed 1974·Granted Sep 21, 1976·53 cites·17 claims
- 0893US5342556AMicrocapsules made of isocyanates with groups containing polyethylene oxideBAYER AG·Filed 1992·Granted Aug 30, 1994·70 cites·13 claims
- 0992US3970601AColored poly (urethane) urea powdersBAYER AG·Filed 1975·Granted Jul 20, 1976·21 cites·5 claims
- 1091US5508370AWater-dispersible blocked isocyanates, method of manufacture, and use thereofBAYER AG·Filed 1993·Granted Apr 16, 1996·55 cites·6 claims
- 1189US4388403AProcess for the preparation of dispersions of hydrophobic substances in waterAGFA GEVAERT AG·Filed 1981·Granted Jun 14, 1983·25 cites·7 claims
- 1287US5917083AProcess for the manufacture of allophanates having isocyanate groupsBAYER AG·Filed 1997·Granted Jun 29, 1999·40 cites·16 claims
- 1386US3935146APolyurethaneamides dispersible in water and dispersions containing themBAYER AG·Filed 1974·Granted Jan 27, 1976·41 cites·15 claims
- 1485US5503714AChlorine-free multifunctional resins for paper finishingBAYER AG·Filed 1993·Granted Apr 2, 1996·30 cites·4 claims
- 1583US5459197ACoating compositions, a process for their production and their use for coating water-resistant substratesBAYER AG·Filed 1994·Granted Oct 17, 1995·30 cites·7 claims
- 1680US4142030AInorganic-organic plasticBAYER AG·Filed 1977·Granted Feb 27, 1979·28 cites·11 claims
- 1779US5607482ACrosslinking agents for textile printing fixing agentsBAYER AG·Filed 1995·Granted Mar 4, 1997·38 cites·9 claims
- 1879US5556935ACrosslinking agents for textile printing bindersBAYER AG·Filed 1995·Granted Sep 17, 1996·38 cites·3 claims
- 1978US4289672ASizing glass fibers for thermoplastic resin reinforcementBAYER AG·Filed 1979·Granted Sep 15, 1981·26 cites·16 claims
- 2078US4042536AInorganic-organic plasticBAYER AG·Filed 1974·Granted Aug 16, 1977·30 cites·14 claims
- 2177US4490301ALiquid diphenylmethane diisocyanate compositionsMOBAY CHEMICAL CORP·Filed 1983·Granted Dec 25, 1984·23 cites·7 claims
- 2275US5693737AWater-dispersible blocked isocyanates, method of manufacture, and use thereofBAYER AG·Filed 1996·Granted Dec 2, 1997·28 cites·8 claims
- 2372US4472550AEmulsifiers, aqueous isocyanate emulsions containing them and their use as binders in a process for the manufacture of molded articlesBAYER AG·Filed 1983·Granted Sep 18, 1984·34 cites·12 claims
- 2471US4106897ALeather tanning with oligourethanesBAYER AG·Filed 1976·Granted Aug 15, 1978·11 cites·15 claims
- 2570US3959348ALiquid organic polyisocyanates containing carboxyl and/or carboxylate groupsBAYER AG·Filed 1974·Granted May 25, 1976·15 cites·4 claims
- 2669US4623416AAqueous solutions or dispersions of polyisocyanate polyaddition products, a process for their production and their use as, or in the production of, adhesivesBAYER AG·Filed 1984·Granted Nov 18, 1986·18 cites·8 claims
- 2768US4528117AAqueous isocyanate emulsions and their use as binders in a process for the production of shaped articlesBAYER AG·Filed 1980·Granted Jul 9, 1985·18 cites·9 claims
- 2864US5372731AComposition and process for the finishing of textilesBAYER AG·Filed 1993·Granted Dec 13, 1994·13 cites·1 claims
- 2964US3988268APolyurethane foam plastics which contain ionic groupsBAYER AG·Filed 1974·Granted Oct 26, 1976·12 cites·1 claims
- 3063US6254644B1Biologically degradable leatherBAYER AG·Filed 1998·Granted Jul 3, 2001·17 cites·7 claims
- 3163US4840885AColor photographic recording material for the dye diffusion transfer processAGFA GEVAERT AG·Filed 1988·Granted Jun 20, 1989·8 cites·7 claims
- 3262US5922806AAqueous polyurethane dispersions based on 1-methyl-2,4-and/or -2,6-diisocyanatocyclohexane and their use as binders for glass fiber sizingsBAYER AG·Filed 1997·Granted Jul 13, 1999·17 cites·3 claims
- 3359US5618317ABisulfite-blocked polyisocyanates as tanning agentsBAYER AG·Filed 1995·Granted Apr 8, 1997·13 cites·9 claims
- 3459US4870206AAromatic polyisocyanates, their preparation and use as components for adhesivesBAYER AG·Filed 1988·Granted Sep 26, 1989·10 cites·4 claims
- 3558US4106898ALeather tanning with oligourethanesBAYER AG·Filed 1976·Granted Aug 15, 1978·6 cites·16 claims
- 3657US6143132AProcess for imparting wet strength to paperBAYER AG·Filed 1998·Granted Nov 7, 2000·15 cites·4 claims
- 3755US5820634AProcess for tanning leatherBAYER AG·Filed 1997·Granted Oct 13, 1998·11 cites·4 claims
- 3855US4496491AAromatic diisocyanates containing N,N-disubstituted sulfonamide groups and processes for their productionBAYER AG·Filed 1982·Granted Jan 29, 1985·3 cites·3 claims
- 3950US5739249AChlorine-free multifunctional resins for paper finishingBAYER AG·Filed 1995·Granted Apr 14, 1998·10 cites·5 claims
- 4048US4413112AEmulsifiers, aqueous isocyanate emulsions containing them and their use as binders in a process for the manufacture of molded articlesBAYER AG·Filed 1980·Granted Nov 1, 1983·14 cites·4 claims
- 4148US3943252APolyurethane casein coating compositionBAYER AG·Filed 1974·Granted Mar 9, 1976·8 cites·10 claims
- 4247US5330841AAqueous coating composition and its use for coating mineral substratesBAYER AG·Filed 1992·Granted Jul 19, 1994·6 cites·13 claims
- 4346US5258452APolyisocyanate mixtures, a process for their production and their useBAYER AG·Filed 1992·Granted Nov 2, 1993·5 cites·4 claims
- 4445US5476892AProcess for conditioning and stabilizing polyolsBAYER AG·Filed 1993·Granted Dec 19, 1995·5 cites·5 claims
- 4545US4576771AAqueous isocyanate emulsions and their use as binders in a process for the production of shaped articlesBAYER AG·Filed 1984·Granted Mar 18, 1986·7 cites·8 claims
- 4644US5021520ACrosslinked polyurethane-polyurea powders, a process for their production and their use as fillers in two-component polyurethane coating compositionsBAYER AG·Filed 1990·Granted Jun 4, 1991·7 cites·3 claims
- 4744US4440901AProcess for the production of plastic based on polyisocyanatesBAYER AG·Filed 1983·Granted Apr 3, 1984·6 cites·13 claims
- 4839US4419293AAliphatic solvent compatible isocyanatesMOBAY CHEMICAL CORP·Filed 1981·Granted Dec 6, 1983·5 cites·5 claims
- 4938US5210273AProcess for the preparation of mono- and oligourethanesBAYER AG·Filed 1991·Granted May 11, 1993·1 cites·12 claims
- 5038US5025064AProcess for the production of aqueous polyurethane dispersionsBAYER AG·Filed 1990·Granted Jun 18, 1991·3 cites·10 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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