Inventor
Ian R. Wheeler
Inventor
Houston, TX, US
Overview
Patents· 13 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. pigments42%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties13%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
B02CCrushing, pulverising, or disintegrating in general4%
B22FWorking metallic powder4%
B82YSpecific uses or applications of nanostructures4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
8,016,909'Process for producing metal flakes'20117,938,901'Metal pigment composition'20114,725,317'Process for preparing pigment compositions'19884,496,481'Production of azo compounds'19854,278,601'Process for conditioning phthalocyanine pigment'19814,255,375'Process for the preparation of dustless, readily-dispersible pigment or dyestuff granules'19814,205,995'Pigment compositions'19804,194,921'Pigment compositions and process for dust free pigment beads'19804,171,309'Process for the preparation of a solvent-stable, red-shade copper phthalocyanine pigment composition'19794,135,944'Pigment composition'19794,133,695'Pigment composition'19794,055,440'Pigment compositions'19774,034,020'Graft copolymer preparation'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1985Patents assigned to CIBA GEIGY CORP (9)· patent assignee history
1977Patents assigned to INT SYNTHETIC RUBBER (1)· patent assignee history
1977–1985Based in Houston, TX, US· patent location history
1977Based in Southampton, GB· patent location history
1979–1981Based in Craigend, GB· patent location history
1988–2011Patents assigned to SILBERLINE LTD (2)· patent assignee history
1988Based in St. Andrews, GB· patent location history
2011Patents assigned to DUNWILCO 1198 LTD (1)· patent assignee history
2011Based in Kinross, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA GEIGY CORP | 9 | 1977–1985 |
| SILBERLINE LTD | 2 | 1988–2011 |
| DUNWILCO 1198 LTD | 1 | 2011 |
| INT SYNTHETIC RUBBER | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 7 | 1977–1985 |
| Kinross, GB | 2 | 2011 |
| Craigend, GB | 2 | 1979–1981 |
| St. Andrews, GB | 1 | 1988 |
| Southampton, GB | 1 | 1977 |