Inventor
Francois L'Eplattenier
Inventor
Therwil, CH
Overview
Patents· 19 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. pigments70%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients15%
C07DHeterocyclic compounds7%
C07CAcyclic or carbocyclic compounds4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
PatentTitleYear
4,327,212'Isoindoline-azine nickel complex with piperazine'19824,237,292'Metal complexes of azomethines'19804,237,286'Metal complexes of azomethines'19804,237,293'Metal complexes of azomethines'19804,144,258'1:1-Heterocyclic azo methine-metal complex dyestuffs'19794,132,708'Metal complexes of azomethines and process for their manufacture'19794,111,947'Novel metal complexes of azomethines and process for their manufacture'19784,097,484'Mixed complexes of methine dyes'19784,065,481'1:1-Azomethine-metal-complex dyestuffs'19774,044,036'Metal complexes of bis-azomethines from hydroxy-aldehydes and alkylene diamines'19774,024,132'Azomethine pigments'19774,022,770'Metal complexes of azomethines and process for their manufacture'19774,016,157'Metal complexes of bis-hydrazones'19774,012,371'Benzinaldazolyl-, quinolonyl-, or phenmorpholonylazo-3-cyano-4-methyl-1,2-[1\',2\']-benz-[4\',5\']-imidazolo-6 -hydroxypyridine colorants'19774,008,225'Process for the manufacture of bis-azomethine metal complex colorants'19773,988,323'Metal complexes of bishydrazides'19763,974,149'Azomethine pigments'19763,963,708'Bis-azomethine metal complex colorants from hydroxycoumarin derivatives or hydroxychromone derivatives'19763,939,194'Bis-2-azomethine pigments, process for their manufacture and their use'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to CIBA GEIGY CORP (19)· patent assignee history
1976–1982Based in Therwil, CH· patent location history
1976Based in Riehen, CH· patent location history
1976Based in Therwill, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA GEIGY CORP | 19 | 1976–1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Therwil, CH | 17 | 1976–1982 |
| Riehen, CH | 1 | 1976 |
| Therwill, CH | 1 | 1976 |