Inventor · disambiguated record
Rolf Wiedermann
Also filed as: WIEDERMANN ROLF
21 granted patents·1 pending application·250 citations·filing 1974–1994
95Inventor score
Top patents by PatentIndex Score
22 records- 0186US4246365AProcess for the production of plastics containing isocyanurate groups and urethane groupsBAYER AG·Filed 1979·Granted Jan 20, 1981·36 cites·4 claims
- 0278US4575520ARigid, closed-cell, flame-resistant polyurethane foamsBAYER AG·Filed 1985·Granted Mar 11, 1986·27 cites·9 claims
- 0372US4404294ANonflammable light foams containing urea and urethane groups in which a mono- and/or oligo-saccharide dissolved in water is reacted with a polyisocyanate in the presence of a polyol, a catalyst and a flameproofing agentBAYER AG·Filed 1982·Granted Sep 13, 1983·20 cites·8 claims
- 0469US4767795APolyol composition and a process for the preparation of flame-resistant polyurethane foams therefromBAYER AG·Filed 1987·Granted Aug 30, 1988·18 cites·14 claims
- 0566US4128532APolyetheresters which contain hydroxyl groups and the use thereof in the production of flame resistant synthetic resinsBAYER AG·Filed 1977·Granted Dec 5, 1978·14 cites·9 claims
- 0664US4621104AProcess for the production of liquid bromine-containing alkoxylation productsBAYER AG·Filed 1985·Granted Nov 4, 1986·7 cites·18 claims
- 0762US5084485AProcess for the production of rigid foams containing urethane and predominantly isocyanurate groups and their use as insulating materialsBAYER AG·Filed 1991·Granted Jan 28, 1992·13 cites·8 claims
- 0862US4046742ACompositions containing hydroxyl groups and their use for the production of flameproof plasticsBAYER AG·Filed 1975·Granted Sep 6, 1977·12 cites·6 claims
- 0961US4681903APolyester polyols, a process for their production and their use in the isocyanate polyaddition processBAYER AG·Filed 1986·Granted Jul 21, 1987·14 cites·19 claims
- 1059US5223549AProcess for the production of rigid polyurethane foamsBAYER AG·Filed 1991·Granted Jun 29, 1993·12 cites·7 claims
- 1158US5028636ALiquid polyisocyanate mixtures, a process for their preparation, and their use in the preparation of polyurethane foamsBAYER AG·Filed 1990·Granted Jul 2, 1991·12 cites·22 claims
- 1257US5426126ALiquid, light-colored polyisocyanate mixtures and a process for their productionBAYER AG·Filed 1992·Granted Jun 20, 1995·10 cites·7 claims
- 1356US4310633AHexahydrotriazine carboxylates and the use thereof as catalysts in the production of polyisocyanurate plasticsBAYER AG·Filed 1980·Granted Jan 12, 1982·9 cites·5 claims
- 1453US4945120AProcess for the production of polyurethane foams using sterically hindered aromatic diaminesKOPP RICHARD·Filed 1989·Granted Jul 31, 1990·18 cites·13 claims
- 1549US3941726APolyguanidine foamsBAYER AG·Filed 1974·Granted Mar 2, 1976·5 cites·5 claims
- 1644US4931481AProcess for the production of foams based on aromatic isocyanates using MG(OH)2 and the foams produced therebyBAYER AG·Filed 1988·Granted Jun 5, 1990·6 cites·21 claims
- 1739US4623672AIsocyanate addition products and a process for their productionBAYER AG·Filed 1985·Granted Nov 18, 1986·4 cites·19 claims
- 1837US5367000AProcess for the production of rigid foams containing urethane and isocyanurate groupsBAYER AG·Filed 1994·Granted Nov 22, 1994·5 cites·5 claims
- 1937US4235976AUse of phosphonates as trimerization catalysts for the production of polyisocyanurate synthetic resinsBAYER AG·Filed 1979·Granted Nov 25, 1980·4 cites·8 claims
- 2034US4260754AHexahydrotriazine carboxylates and the use thereof as catalysts in the production of polyisocyanurate plasticsBAYER AG·Filed 1979·Granted Apr 7, 1981·1 cites·2 claims
- 2133US4931480AProcess for the preparation of polyurethane foamsBAYER AG·Filed 1989·Granted Jun 5, 1990·3 cites·4 claims
- 2227US2002103268A1Process for the production of rigid foams containing urethane groups and predominantly isocyanurate groupsFiled 1993·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →