WW

Wolfgang Wellner

BH Bayer Healthcare: 19 patents #508 of 8,007Top 7%
Overall (All Time): #242,873 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
5089342 Wood or wood product coated with an aqueous, air-drying coating agent Rolf Dhein, Thomas Scholl, Lothar Backer 1992-02-18
5004779 Process for the preparation of aqueous, oxidatively drying alkyd resins and their use in or as aqueous lacquers and coating compounds Harald Blum, Jurgen Meixner, Manfred Schreckenberg, Lothar Fleiter 1991-04-02
4985506 Oxidatively cross-linkable, water dilutable binders, a process for their preparation and their use Harald Blum, Peter Hohlein, Michael Sonntag 1991-01-15
4935486 Process for the production of modified polyisocyanates, the polyisocyanates obtainable by this process and their use as binders or as a binder component 1990-06-19
4910332 Process for the preparation of polyisocyanates containing urethane groups and the products obtained Lothar Kahl, Josef Pedain 1990-03-20
4816576 Sulphonic acid amidamines Hans-Josef Buysch, Hermann Gruber 1989-03-28
4742125 Process for the production of mercapto group-containing oligourethanes, oligourethanes obtainable by this process and their use in various polymer systems Manfred Schmidt, Josef Pedain, Hermann Gruber 1988-05-03
4719278 Process for the preparation of thixotropic binders, the binder obtainable by this process and their use for the preparation of coating and sealing compounds Hermann Gruber, Alois Fehlbier 1988-01-12
4602071 Process for the production of oligourethanes containing mercapto groups and their use as binders for coating and sealing compositions hardenable by oxidation and as additives for epoxide resins Josef Pedain, Hermann Gruber 1986-07-22
4465826 Catalyst systems containing an organic disulfide carboxylates and/or organic complex compounds of metals, and basic amines for the oxidative hardening of plastics precursors containing mercapto groups Josef Pedain, Hermann Gruber 1984-08-14
4463126 Coatings prepared from prepolymers and aromatic diamines having at least one alkyl substituent in an ortho position to each amino group Hermann Gruber 1984-07-31
4453358 Insulated one-piece roof Hermann Gruber, Hermann Diehl, Dieter Monig 1984-06-12
4433010 Process for preparing glass constructions Josef Pedain, Klaus Konig, Hermann Gruber 1984-02-21
4404379 Cycloaminals and a process for their preparation Manfred Hajek, Kuno Wagner, Walter Uerdingen 1983-09-13
4328330 Process for the production of polyureas Artur Botta, Hermann Gruber 1982-05-04
4318832 Aqueous dispersions of epoxide compounds Karl Zabrocki, Hans Schulze, Franz Weider, Wolfgang Schartau 1982-03-09
4279793 Water-hardenable mixtures Manfred Hajek 1981-07-21
4263162 Cyanoethylated polyamide amines as hardeners for polyepoxides Hans-Josef Buysch, Hermann Gruber, Karl Leiritz 1981-04-21
4204051 Process for polyurethanes from ortho-ester-blocked polyols Hermann Gruber 1980-05-20