US3025173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating pigments with titanium hydrate
Assignee: Individual
•
Filing: 1959-12-11
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Granted: 1962-03-13
•
Expires: 1979-12-11
Abstract
No abstract record available.
Inventors
- 👤 Isidor M Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:55
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/36; C09C1/3607; C09C1/3653; C09C1/3661; C09C3/00; C09C3/006; C09C3/06; C09C3/063; C09C3/08; C01; C01P; C01P2004/00; C01P2004/50; C01P2004/80; C01P2006/00; C01P2006/22; C01P2006/60; C01P2006/80; C01P2006/82; C01P2006/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PROCESS FOR COATING PIGMENTS WHICH COMPRISES APPLYING TO A GRANULAR PIGMENT CONTAINING FROM 0.5% TO 2.0% OF MOISTURE ON THE DRY WEIGHT OF THE PIGMENT AND SUSPENDED IN A NON-POLAR MEDIUM SELECTED FROM THE GROUP CONSISTING OF HEXANE AND OCTANE A TITANIUM ALKYL ALCOHOLATE IN THE PROPORTION OF .3 TO 1.7 PARTS OF SAID ALCOHOLATE FOR 30 TO 100 PARTS OF SDAID PIGMENT SAID ALKYL RADICAAL CONTAINING FROM 3 TO 10 CARBON ATOMS IN SOLUTION IN SAID NON-POLAR MEDIUM UNDER CONDITIONS TO DEPOSIT SOLELY ON THE SURFACE OF SAID GRANULAR PIGMENT A TITANIUM HYDRATE AND SEPARATING THE COATED PIGMENT FROM SAID MEDIUM.
Claim 2
Dependent Claim
103 words
A PROCESS FOR COATING PIGMENTS WHICH COMPRISES APPLYING TO A GRANULAR PIGMENT CONTAINING FROM 0.5% TO 2.0% OF MOISTURE ON THE DRY WEIGHT OF THE PIGMENT AND SUSPENDED IN A NON-POLAR MEDIUM SELECTED FROM THE GROUP CONSISTING OF HEXANE AND OCTANE A TITANIUM ALKYL ALCOHOLATE IN THE PROPORTION OF .3 TO 1.7 PARTS OF SAID ALCOHOLATE FOR 30 TO 100 PARTS OF SDAID PIGMENT SAID ALKYL RADICAAL CONTAINING FROM 3 TO 10 CARBON ATOMS IN SOLUTION IN SAID NON-POLAR MEDIUM UNDER CONDITIONS TO DEPOSIT SOLELY ON THE SURFACE OF SAID GRANULAR PIGMENT A TITANIUM HYDRATE AND SEPARATING THE COATED PIGMENT FROM SAID MEDIUM.
References Cited (Backward Citations)
US2026862A
Cited
US2941895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |