Inventor
Oskar Annen
Inventor
Aesch, CH
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D06Pprimary
D06PDyeing or printing textiles40%
D06BTreating textile materials using liquids, gases or vapours20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments10%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials10%
PatentTitleYear
6,389,627'Dyeing process'20025,099,534'Continuous dyeing process'19925,013,328'Aftertreatment of dyed substrates'19914,894,065'Method for producing wool dyeings of improved levelness and dye mixtures useful therefor: parameters for combination capacity and compensation of variable affinity for wool from root to tip of fiber'19904,752,299'Dyeing of mixed-fiber substrates with a disperse dye and a metal-complex direct or reactive dye'19884,436,521'Process for producing dyed and anti-shrink treated wool'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1992Patents assigned to SANDOZ LTD (5)· patent assignee history
1984–2002Based in Aesch, CH· patent location history
2002Patents assigned to CLARIANT FINANCE BVI LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANDOZ LTD | 5 | 1984–1992 |
| CLARIANT FINANCE BVI LTD | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aesch, CH | 6 | 1984–2002 |