Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988774 | Cyano-containing polymers | Mark Seidler, Joseph W. Witle, deceased, Margarethe H. Witte, heir, Karin Witte, heir, Klaus Witte | 1991-01-29 |
| 4970342 | Polyamines and a process for the production thereof | Hans-Joachim Meiners, Werner Rasshofer, Holger Meyborg | 1990-11-13 |
| 4791229 | Preparation of aryl cyanamides from arylamines and cyanogen chloride | Hans-Jochem Riebel | 1988-12-13 |
| 4740618 | Process for the preparation of monocyclohexylurea | Kurt Findelsen, Uwe Dobereiner | 1988-04-26 |
| 4698333 | Use of substituted malonic acid derivatives as agents for combating pests | Reinhard Lantzsch, Kurt Findeisen, Gerhard Jager, Ingeborg Hammann, Benedikt Becker +1 more | 1987-10-06 |
| 4659821 | Process for the preparation of 4-alkoxy-6-alkyl-2-cyanoamino-1,3,5-triazines | Hans-Jochem Riebel | 1987-04-21 |
| 4659820 | Process for the preparation of 4-alkoxy-6-alkyl-2-cyanamino-1,3,5-triazines | Hans-Jochem Riebel | 1987-04-21 |
| 4620022 | Preparation of substituted trialkylsilyloxymalonic acid dinitriles | Kurt Findeisen | 1986-10-28 |
| 4594441 | Process for the preparation of urethanes | Kurt Findeisen, Klaus Konig, Peter Heitkamper | 1986-06-10 |
| 4581375 | Pesticidal novel substituted hydroxymalonic acid amide-thioamides | Kurt Findeisen, Benedikt Becker, Ingeborg Hammann, Bernhard Homeyer | 1986-04-08 |
| 4570009 | Process for preparing dimethylsilyl dicyanide | Kurt Findeisen | 1986-02-11 |
| 4562185 | Five-membered nitrogen-containing hetero-cyclic compounds and their use as pest-combating agents | Gerhard Jager, Kurt Findeisen, Benedikt Becker, Bernhard Homeyer | 1985-12-31 |
| 4556649 | Substituted malonic acid diamide insecticides, compositions and use | Herbert Salzburg, Kurt Findeisen, Bernhard Homeyer | 1985-12-03 |
| 4515923 | Polyamines and a process for their production | Hans-Joachim Meiners, Werner Rasshofer, Holger Meyborg | 1985-05-07 |
| 4504673 | Preparation of tartronic esters | Kurt Findeisen | 1985-03-12 |
| 4503025 | Process for preparing dicyanogen | Karl-Heinz Linker, Kurt Findeisen | 1985-03-05 |
| 4480110 | Process for the preparation of urethanes | Peter Heitk/a/ mper, Kurt Findeisen, Stefan Penninger, Hans-Joachim Scholl | 1984-10-30 |
| 4442279 | Compositions containing isocyanatosilanes as additives to increase the stability in storage of compositions containing polyurethane prepolymers with free isocyanate groups | Michael Sonntag, Kuno Wagner, Kurt Findeisen, Gerhard Mennicken | 1984-04-10 |
| 4430505 | Process for the preparation of N,O-disubstituted urethanes useful for the preparation of isocyanates | Peter Heitkamper, Klaus Konig, Kurt Findeisen, Rudolf Sundermann | 1984-02-07 |
| 4405803 | Process for the preparation of silylisocyanates | — | 1983-09-20 |
| 4388238 | Process for the preparation of N,O-disubstituted urethanes suitable as a starting material for the preparation of isocyanates | Peter Heitkamper, Klaus Konig, Kurt Findeisen | 1983-06-14 |
| 4238407 | Process for the preparation of nitro diphenyl amine derivatives | Kuno Wagner, Jan Mazanek | 1980-12-09 |