Inventor
Arthur S. Walls
Inventor
Kilmarnock, GB
Overview
Patents· 6 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. pigments40%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles20%
B62DMotor vehicles20%
C09DCoating compositions, e.g. paints, varnishes or lacquers13%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties7%
PatentTitleYear
6,031,030'Production process'20005,964,929'Process for the production of ink concentrates'19995,776,238'Production of pigments'19984,801,634'Production of pigmentary copper phthalocyanine'19894,801,638'Production of pigmentary copper phthalocyanine'19894,694,078'Production of pigmentary copper phthalocyanine'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1989Patents assigned to CIBA GEIGY CORP (3)· patent assignee history
1987–2000Based in Kilmarnock, GB· patent location history
1989Based in Ayrshire, GB· patent location history
1998–1999Patents assigned to CIBA SC HOLDING AG (2)· patent assignee history
2000Patents assigned to CIBA SPEICIALTY CHEMICALS CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA GEIGY CORP | 3 | 1987–1989 |
| CIBA SC HOLDING AG | 2 | 1998–1999 |
| CIBA SPEICIALTY CHEMICALS CORP | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kilmarnock, GB | 5 | 1987–2000 |
| Ayrshire, GB | 1 | 1989 |