Patent US3457493A successfully refreshed from Google Patents.
US3582380A
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Pigment compositions
Assignee: Individual
•
Filing: 1968-07-19
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Granted: 1971-06-01
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Expires: 1988-07-19
Abstract
Abstract PIGMENT COMPOSITIONS READILY DISPERSIBLE IN ORGANIC MEDIA SUCH AS PRINTING INK MEDIA AND ALKYD PAINT MEDIA ARE DISLCOSED AS COMPRISING A PIGMENT AND A SALT OF A DIALKYL-SULPHOSUCCINIC ACID AND A NON-ALKALI METAL SELECTED FROM CERTAIN GROUPS OF THE PERIODIC TABLE OF ELEMENTS OTHER THAN GROUP IA THEREOF. THE PRODUCTION OF THE NOVEL COMPOSITIONS FROM PIGMENT, ALKALI METAL OR AMMONIUM DIALKYL-SUPHOSUCCINATE AND A WATER-SOLUBLE SALT OF THE AFORESAID NON-ALKALI METAL IS ALSO DESCRIBED.
Inventors
- 👤 Alexander Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0001; C09B67/0004; C09B67/0008; C09B67/0009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |