Inventor · disambiguated record
Otto Wittmann
Also filed as: WITTMANN OTTO
9 granted patents·181 citations·filing 1974–1992
90Inventor score
Files withBASF AG9
Top patents by PatentIndex Score
9 records- 0192US4546039AProcess for bonding lignocellulose-containing raw materials with a prepolymer based on a urethane-modified diphenylmethane diisocyanate mixtureBASF AG·Filed 1983·Granted Oct 8, 1985·58 cites·6 claims
- 0283US4260532AAqueous isocyanate emulsions prepared with polyglycol and polymerized unsaturated acid amideBASF AG·Filed 1979·Granted Apr 7, 1981·17 cites·4 claims
- 0372US4814422APulverulent aminoplast adhesive resin for wood-base materials having a low formaldehyde emission, its preparation, and a formulated pulverulent aminoplast adhesive resinBASF AG·Filed 1987·Granted Mar 21, 1989·19 cites·6 claims
- 0468US4458049APreparation of cocondensates which produce weather-resistant bondingBASF AG·Filed 1982·Granted Jul 3, 1984·20 cites·4 claims
- 0567US5306783AResin solution for the impregnation of paper websBASF AG·Filed 1992·Granted Apr 26, 1994·27 cites·2 claims
- 0652US4684690AAminoplast adhesive resin powder for wood-based materials or as a paper adhesive, which eliminates little formaldehyde, its preparation, and a formulated aminoplast adhesive resin powderBASF AG·Filed 1986·Granted Aug 4, 1987·11 cites·9 claims
- 0750US4021413AProduction of wood glueBASF AG·Filed 1974·Granted May 3, 1977·7 cites·4 claims
- 0844US5330846AHeat-curable, aqueous synthetic resin mixtures for coating woodworking materialsBASF AG·Filed 1991·Granted Jul 19, 1994·13 cites·6 claims
- 0942US5047466AAmino resin solutions having low electrical conductivityBASF AG·Filed 1990·Granted Sep 10, 1991·9 cites·6 claims
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