Penzel; Erich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Penzel; Erich.The latest application filed is for "unsaturated sulfonic acid polymers as spray drying assistants".
- Penzel; Erich - Ludwigshafen DE
| Patent | Date |
|---|---|
| Unsaturated sulfonic acid polymers as spray drying assistants Grant 5,604,272 - Penzel , et al. February 18, 1 | 1997-02-18 |
| Paints and renders containing aqueous dispersions of vinylidene chloride/(meth)acrylate copolymers as binders Grant 4,663,384 - Penzel , et al. May 5, 1 | 1987-05-05 |
| Binders for paints Grant 4,267,091 - Geelhaar , et al. May 12, 1 | 1981-05-12 |
| Benzoin photoinitiator containing a quaternary ammonium group in photo curable composition and process Grant 4,257,859 - Fischer , et al. March 24, 1 | 1981-03-24 |
| Aqueous paints which contain polyglycidylamines as additives Grant 4,255,310 - Oppenlaender , et al. March 10, 1 | 1981-03-10 |
| Aqueous dispersions, containing hydrazine derivatives, of carbonyl-containing copolymers Grant 4,250,070 - Ley , et al. February 10, 1 | 1981-02-10 |
| Acryloxy-alkylpropanals and methacryloxy-alkylpropanals Grant 4,191,838 - Merger , et al. March 4, 1 | 1980-03-04 |
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