Inventor
Angelo Della Casa
Inventor
Basel, CH
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments50%
D06PDyeing or printing textiles25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
4,914,190'Tricyanovinyl-N,N-disubstituted anilines as disperse dyes'19904,544,373'2,4-Dinitro-2\'-acylamino-4\'-dialkylamino-5\'-alkoxy-alkyleneoxy-1, 1\'-azobezene dyes'19854,212,642'Transfer printing dyes'19804,033,943'Fiber reactive water soluble 2,4,6-triamino, 3-cyano pyridine-(5) azo dyestuffs'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1990Patents assigned to CIBA GEIGY CORP (3)· patent assignee history
1977–1985Based in Basel, CH· patent location history
1980Patents assigned to CIBA GEIGY AG (1)· patent assignee history
1990Based in Riehen, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA GEIGY CORP | 3 | 1977–1990 |
| CIBA GEIGY AG | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Basel, CH | 3 | 1977–1985 |
| Riehen, CH | 1 | 1990 |