Issued Patents All Time
Showing 76–100 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867906 | Mixtures of fluorescent whitening agents | Leonardo Guglielmetti, Hans R. Meyer, Kurt Weber | 1989-09-19 |
| 4847404 | Stilbene derivatives by desulfonation | Kurt Burdeska, Kurt Weber | 1989-07-11 |
| 4830763 | Process for increasing the degree of whiteness of polyester-containing textile material | Heinz Hefti, Urs Lehmann, Jurgen Kaschig | 1989-05-16 |
| 4782187 | Process for the preparation of 4,4'-stilbenedialdehydes | Heinz Steiner | 1988-11-01 |
| 4780558 | Sulfone compounds | Kurt Burdeska, Kurt Weber | 1988-10-25 |
| 4780125 | N-phenylsulfonyl-N'-triazinylureas | Willy Meyer, Konrad Oertle, Rolf Schurter | 1988-10-25 |
| 4778622 | Mixtures of fluorescent whitening agents | Leonardo Guglielmetti, Hans R. Meyer, Kurt Weber | 1988-10-18 |
| 4778928 | Process for the preparation of 4,4'-stilbenedialdehydes | — | 1988-10-18 |
| 4731090 | Process for protecting keratinous material from attack by insects feed on keratin with pyridyloxytrifluoromethanesulfonanilides | Manfred Boger, Bernardo de Sous, Werner Schmid, Hermann Rempfler, Hans Tobler | 1988-03-15 |
| 4684744 | Stilbene derivatives | Klaus Artz, Hans R. Meyer, Kurt Weber | 1987-08-04 |
| 4681593 | Process and compositions for protecting keratinous material from attack by pests that feed on keratin, and novel esters | Saleem Farooq, Werner Schmid | 1987-07-21 |
| 4664673 | Process for protecting keratinous material from attack by insects that feed on keratin and novel phenoxytrifluoromethanesulfonanilides | Manfred Boger, Bernardo de Sousa, Werner Schmid | 1987-05-12 |
| 4658066 | 1,10-substituted 1,11-diamino-undeca-3,7-dienes and processes for their preparation | Josef Pfeifer | 1987-04-14 |
| 4602912 | Mothproofing and beetleproofing composition: 5-(pyridyloxy- or thiothenylcarbamoyl)barbituric acid | Bernardo de Sousa, Urs Burckhardt, Jean J. Gallay, Manfred Kuhne, Ernst Beriger | 1986-07-29 |
| 4579975 | Process for producing stilbene-4,4'-dialdehyde | Alwyn Spencer | 1986-04-01 |
| 4506099 | Process for producing substituted 1,11-diaminoundecanes | Peter Baumeister, Eckehard Rosenegger | 1985-03-19 |
| 4487947 | Substituted 1,11-diaminoundecanes, processes for producing them, and their use | Josef Pfeifer | 1984-12-11 |
| 4484004 | Substituted 1,11-diaminoundecanes, processes for producing them and their use | Josef Pfeifer | 1984-11-20 |
| 4472318 | 1,10-Substituted 10-amino-deca-3,7-diene-nitriles and process for their preparation | Josef Pfeifer | 1984-09-18 |
| 4465823 | Ethylenically unsaturated crosslinkable transparent polyamide | Joseph Berger, Josef Pfeifer | 1984-08-14 |
| 4460790 | Substituted 1,11-diaminoundecanes, processes for producing them, and their use | Josef Pfeifer | 1984-07-17 |
| 4440694 | Process for the production of vinylstilbene compounds | Daniel Bellus, Hans Blaser, Guglielmo Kabas, Alwyn Spencer, Kurt Weber | 1984-04-03 |
| 4419298 | Ethanolamine salts of di-perfluoroalkyl group containing acids | Robert A. Falk, Istvan Borsodi | 1983-12-06 |
| 4377683 | Transparent copolyamide from isophorone diamine and substituted undecane diamine | Josef Pfeifer | 1983-03-22 |
| 4355177 | Substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal derivatives and processes for their preparation | Josef Pfeifer | 1982-10-19 |