Wellner; Wolfgang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wellner; Wolfgang.The latest application filed is for "process for the preparation of aqueous, oxidatively drying alkyd resins and their use in or as aqueous lacquers and coating compounds".

Company Profile

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Wellner; Wolfgang - Bergisch-Gladbach DE
Wellner; Wolfgang - Cologne DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Process for the preparation of aqueous, oxidatively drying alkyd resins and their use in or as aqueous lacquers and coating compounds Grant 5,004,779 - Blum , et al. April 2, 1	1991-04-02
Oxidatively cross-linkable, water dilutable binders, a process for their preparation and their use Grant 4,985,506 - Blum , et al. January 15, 1	1991-01-15
Process for the production of modified polyisocyanates, the polyisocyanates obtainable by this process and their use as binders or as a binder component Grant 4,935,486 - Wellner June 19, 1	1990-06-19
Process for the preparation of polyisocyanates containing urethane groups and the products obtained Grant 4,910,332 - Kahl , et al. March 20, 1	1990-03-20
Process for the preparation of thixotropic binders, the binder obtainable by this process and their use for the preparation of coating and sealing compounds Grant 4,719,278 - Wellner , et al. January 12, 1	1988-01-12
Coatings prepared from prepolymers and aromatic diamines having at least one alkyl substituent in an ortho position to each amino group Grant 4,463,126 - Gruber , et al. July 31, 1	1984-07-31
Insulated one-piece roof Grant 4,453,358 - Gruber , et al. June 12, 1	1984-06-12
Aqueous dispersions of epoxide compounds Grant 4,318,832 - Zabrocki , et al. March 9, 1	1982-03-09
Process for polyurethanes from ortho-ester-blocked polyols Grant 4,204,051 - Wellner , et al. May 20, 1	1980-05-20
Process for the production of polyisocyanate polyaddition products which comprises reacting organic polyisocyanates, polycyclic condensation products of formaldehyde with diamines, and water Grant 4,150,213 - Hocker , et al. April 17, 1	1979-04-17
Hydrocurable oxazolidine isocyanate prepolymer compositions Grant 4,118,376 - Pedain , et al. October 3, 1	1978-10-03

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