Inventor · disambiguated record
Otto Volkert
Also filed as: MAMPEL LOTHAR · VOLKERT OTTO
24 granted patents·844 citations·filing 1973–1998
97Inventor score
Top patents by PatentIndex Score
24 records- 0197US4972002AProcess for producing cellular plastics by the polyisocyanate polyaddition method by means of stable emulsions containing blowing agents, and such emulsionsBASF AG·Filed 1989·Granted Nov 20, 1990·143 cites·24 claims
- 0295US4013806AManufacture of thin layers of polyurethane elastomersBASF AG·Filed 1973·Granted Mar 22, 1977·59 cites·17 claims
- 0394US5096933AProcess for the preparation of polyurethane rigid foams having a low thermal conductivity and their useVOLKERT OTTO·Filed 1990·Granted Mar 17, 1992·127 cites·32 claims
- 0493US4508774ACellular, molded polyurethane parts, process for their preparation by thermoforming of polyester-urethane foam and their useBASF AG·Filed 1984·Granted Apr 2, 1985·83 cites·13 claims
- 0585US5278195AProduction of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purposeBASF AG·Filed 1992·Granted Jan 11, 1994·38 cites·23 claims
- 0684US3948665ALaminates for the manufacture of flexographic printing plates comprising photocrosslinkable reaction product of saturated polyester glycol, diisocyanate, and diolBASF AG·Filed 1974·Granted Apr 6, 1976·31 cites·2 claims
- 0783US5205956AProduction of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purposeBASF AG·Filed 1992·Granted Apr 27, 1993·35 cites·3 claims
- 0882US4156064AProcess for the manufacture of polyurethane adhesivesBASF WYANDOTTE CORP·Filed 1976·Granted May 22, 1979·23 cites·10 claims
- 0979US5290823AProduction of rigid polyurethane foams, and a blowing agent mixture for this purposeBASF AG·Filed 1993·Granted Mar 1, 1994·34 cites·13 claims
- 1078US4258140AStorage-stable prepolymers sprayable from a pressure vesselBASF AG·Filed 1979·Granted Mar 24, 1981·32 cites·6 claims
- 1177US6331577B1Process for producing elastic polyurethane moldings with compact surfaces and cellular coresBASF AG·Filed 1997·Granted Dec 18, 2001·35 cites·16 claims
- 1276US3998712AMonoketal of diketones as sensitizer for u.v. polymerizable systemsBASF AG·Filed 1973·Granted Dec 21, 1976·17 cites·7 claims
- 1375US5126379AEsters containing bonded fluorocarbon and oxypropylenealkylether groups, emulsions containing these esters and their use for the preparation of cellular plastics by polyisocyanate polyadditionBASF AG·Filed 1990·Granted Jun 30, 1992·14 cites·20 claims
- 1474US6046247AProduction of rigid polyurethane foams having a low thermal conductivityBASF AG·Filed 1998·Granted Apr 4, 2000·28 cites·5 claims
- 1570US5055516APreparation of emulsifier-free aqueous polyurethane dispersionsBASF AG·Filed 1990·Granted Oct 8, 1991·24 cites·8 claims
- 1667US4256841AManufacture of light-stable polyurethane integral foamsBASF AG·Filed 1979·Granted Mar 17, 1981·17 cites·6 claims
- 1762US5300534AProduction of plastic foams, preferably rigid foams containing urethane groups or urethane and isocyanurate groups, and blowing agent-containing emulsions for this purposeBASF AG·Filed 1992·Granted Apr 5, 1994·14 cites·2 claims
- 1860US5187206AProduction of cellular plastics by the polyisocyanate polyaddition process, and low-boiling, fluorinated or perfluorinated, tertiary alkylamines as blowing agent-containing emulsions for this purposeBASF AG·Filed 1992·Granted Feb 16, 1993·17 cites·13 claims
- 1958US5710185AProduction of molding containing ester and urethane groups, isocyanate semiprepolymers containing ester groups for this purpose and their useBASF AG·Filed 1996·Granted Jan 20, 1998·12 cites·5 claims
- 2057US4107100APorous, substantially foam-free compositesBASF WYANDOTTE CORP·Filed 1975·Granted Aug 15, 1978·14 cites·5 claims
- 2156US4007209AAcetals which act as photoinitiatorsBASF AG·Filed 1975·Granted Feb 8, 1977·11 cites·5 claims
- 2253US5585409AProduction of moldings containing ester and urethane groups, isocyanate semiprepolymers containing ester groups for this purpose and their useBASF AG·Filed 1996·Granted Dec 17, 1996·10 cites·7 claims
- 2353US5189068APreparation of integral skin cellular plastics by the polyaddition process in the presence of tertiary alcoholsBASF AG·Filed 1992·Granted Feb 23, 1993·20 cites·9 claims
- 2441US4341686AAdhesive products and a process for their use in polyurethanesBASF AG·Filed 1981·Granted Jul 27, 1982·6 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Otto Volkert files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →