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US3129053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersions of organic dyes and pigments in fluoroalcohols
Assignee: EIDP Inc
•
Filing: 1962-05-21
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Granted: 1964-04-14
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Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 John E Castle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:29
CPC Classifications
C; C07; C07C; C07C35/00; C07C35/48; C07C35/50; C09; C09B; C09B67/00; C09B67/0071; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A STABLE DISPERSION OF A NORMALLY SOLID ORGANIC COLORANT IN A LIQUID DISPERSING MEDIUM WHICH COMPRISES AT LEAST 55% BY WEIGHT OF ORGANIC INGREDIENTS AND WHICH CONTAINS AT LEAST 15% BY WEIGHT OF A POLYHALOALCOHOL WHEREIN ALL HALOGENS ARE OF ATOMIC NUMBER 9-17 SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
49 words
A STABLE DISPERSION OF A NORMALLY SOLID ORGANIC COLORANT IN A LIQUID DISPERSING MEDIUM WHICH COMPRISES AT LEAST 55% BY WEIGHT OF ORGANIC INGREDIENTS AND WHICH CONTAINS AT LEAST 15% BY WEIGHT OF A POLYHALOALCOHOL WHEREIN ALL HALOGENS ARE OF ATOMIC NUMBER 9-17 SELECTED FROM THE GROUP CONSISTING OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |