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Hoffmann La Roche Inc

Hoffmann L

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4512924A	Pyridazo[1,2-a][1,2]diazepines	Expired / Lapsed	1983-05-12	1985-04-23	34	Details
US4432895A	Monomeric interferons	Expired / Lapsed	1982-11-24	1984-02-21	14	Details
US4289689A	Preparation of homogeneous human fibroblast interferon	Expired / Lapsed	1980-06-19	1981-09-15	12	Details
US4143770A	Method and apparatus for color recognition and defect detec…	Expired / Lapsed	1976-06-23	1979-03-13	102	Details
US4082188A	Apparatus for color recognition and defect detection of obj…	Expired / Lapsed	1976-06-23	1978-04-04	36	Details