US2941895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigmentary product and process for making same
Assignee: EIDP Inc
•
Filing: 1956-09-11
•
Granted: 1960-06-21
•
Expires: 1976-09-11
Abstract
No abstract record available.
Inventors
- 👤 John H Haslam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:29
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0015; C09C1/0018; Y; Y10; Y10S; Y10S524/00; Y10S524/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE PROCESS WHICH COMPRISES APPLYING TO A SMOOTH SURFACE A LIQUID FILM OF A HYDROLYZABLE ORGANIC ESTER OF A METAL OF GROUP IV-A OF THE PERIODIC TABLE, IN WHICH THE ORGANIC RADICAL OF SAID ESTER IS SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC, AROMATIC AND HYDROAROMATIC ORGANIC RADICALS, HAVING A CARBON CHAIN COMPOSED OF FROM 1-8 CARBON ATOMS IN AN AMOUNT EQUIVALENT TO 0.04 TO 0.2 GRAM MOLECULES OF THE OXIDE OF THE GROUP IV-A METAL OF SAID COMPOUND PER SQUARE METER OF SURFACE, AND THEREAFTER TREATING THE FILM WITH WATER VAPOR WHEREBY TO EFFECT HYDROLYSIS OF SAID FILM INTO SOLID FLAKES.
Claim 2
Dependent Claim
102 words
THE PROCESS WHICH COMPRISES APPLYING TO A SMOOTH SURFACE A LIQUID FILM OF A HYDROLYZABLE ORGANIC ESTER OF A METAL OF GROUP IV-A OF THE PERIODIC TABLE, IN WHICH THE ORGANIC RADICAL OF SAID ESTER IS SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC, AROMATIC AND HYDROAROMATIC ORGANIC RADICALS, HAVING A CARBON CHAIN COMPOSED OF FROM 1-8 CARBON ATOMS IN AN AMOUNT EQUIVALENT TO 0.04 TO 0.2 GRAM MOLECULES OF THE OXIDE OF THE GROUP IV-A METAL OF SAID COMPOUND PER SQUARE METER OF SURFACE, AND THEREAFTER TREATING THE FILM WITH WATER VAPOR WHEREBY TO EFFECT HYDROLYSIS OF SAID FILM INTO SOLID FLAKES.
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |