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Inventor: Zurcher; Gerhard
Address: Basel, CH
No. of patents: 5
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5705703 |
Catechol derivatives |
January 6, 1998 |
| Catechol derivatives of the formula ##STR1## wherein Ra, Rb and Rc have the significance given herein. the ester and ether derivatives thereof which are hydrolyzable under physiological conditions and the pharmaceutically acceptable salts thereof are described and possess valuabl |
| 5633371 |
Catechol derivatives |
May 27, 1997 |
| Catechol derivatives of the formula ##STR1## wherein Ra, Rb and Rc have the significance given herein, the ester and ether derivatives thereof which are hydrolyzable under physiological conditions and the pharmaceutically acceptable salts thereof are described and possess valuabl |
| 5476875 |
Catechol derivatives |
December 19, 1995 |
| Catechol derivatives of the formula ##STR1## wherein Ra, Rb and Rc have the significance given herein, the ester and ether derivatives thereof which are hydrolyzable under physiological conditions and the pharmaceutically acceptable salts thereof are described and possess valuabl |
| 5389653 |
Catechol derivatives |
February 14, 1995 |
| Catechol derivatives of the formula ##STR1## wherein Ra, Rb and Rc have the significance given herein, the ester and ether derivatives thereof which are hydrolyzable under physiological conditions and the pharmaceutically acceptable salts thereof are described and possess valuabl |
| 5236952 |
Catechol derivatives |
August 17, 1993 |
| Catechol derivatives of the formula ##STR1## wherein Ra, Rb and Rc have the significance given herein, the ester and ether derivatives thereof which are hydrolyzable under physiological conditions and the pharmaceutically acceptable salts thereof are described and possess valuabl |
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