Wolfgang Wellner
21Patents
9h-index
29Co-inventors
71Inventor score
Filing activity: Jul 18, 1977 → Feb 8, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5089342A | Wood or wood product coated with an aqueous, air-drying coating agent | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4935486A | Process for the production of modified polyisocyanates, the polyisocyanates obtainable by this process and their use as binders or as a binder component | Chemistry; Metallurgy | 31 | Expired |
| US4118376A | Hydrocurable oxazolidine isocyanate prepolymer compositions | Chemistry; Metallurgy | 19 | Expired |
| US4910332A | Process for the preparation of polyisocyanates containing urethane groups and the products obtained | Chemistry; Metallurgy | 16 | Expired |
| US5004779A | Process for the preparation of aqueous, oxidatively drying alkyd resins and their use in or as aqueous lacquers and coating compounds | Chemistry; Metallurgy | 15 | Expired |
| US4279793A | Water-hardenable mixtures | Chemistry; Metallurgy | 14 | Expired |
| US4204051A | Process for polyurethanes from ortho-ester-blocked polyols | Chemistry; Metallurgy | 14 | Expired |
| US4404379A | Cycloaminals and a process for their preparation | Chemistry; Metallurgy | 12 | Expired |
| US4433010A | Process for preparing glass constructions | Chemistry; Metallurgy | 10 | Expired |
| US4328330A | Process for the production of polyureas | Chemistry; Metallurgy | 8 | Expired |
| US4463126A | Coatings prepared from prepolymers and aromatic diamines having at least one alkyl substituent in an ortho position to each amino group | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4719278A | Process for the preparation of thixotropic binders, the binder obtainable by this process and their use for the preparation of coating and sealing compounds | Chemistry; Metallurgy | 7 | Expired |
| US4453358A | Insulated one-piece roof | Fixed Constructions | 7 | Expired |
| US4318832A | Aqueous dispersions of epoxide compounds | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4985506A | Oxidatively cross-linkable, water dilutable binders, a process for their preparation and their use | Chemistry; Metallurgy | 5 | Expired |
| US4602071A | 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 | Chemistry; Metallurgy | 5 | Expired |
| US4742125A | Process for the production of mercapto group-containing oligourethanes, oligourethanes obtainable by this process and their use in various polymer systems | Chemistry; Metallurgy | 4 | Expired |
| US4263162A | Cyanoethylated polyamide amines as hardeners for polyepoxides | Chemistry; Metallurgy | 3 | Expired |
| US4816576A | Sulphonic acid amidamines | Chemistry; Metallurgy | 3 | Expired |
| US4465826A | 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 | Chemistry; Metallurgy | 2 | Expired |
| US4150213A | Process for the production of polyisocyanate polyaddition products which comprises reacting organic polyisocyanates, polycyclic condensation products of formaldehyde with diamines, and water | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.