US2870035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition and process of preparation
Assignee: Monsanto Chemicals Ltd
•
Filing: 1954-05-06
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Granted: 1959-01-20
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Expires: 1974-05-06
Abstract
No abstract record available.
Inventors
- 👤 Lyman S Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:50
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C01; C01B; C01B33/00; C01B33/113; C09; C09D; C09D7/00; C09D7/40; C09D7/42; C07F7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A COATING COMPOSITION CONTAINING A FILM-FORMING MATERIAL DISSOLVED IN AN ORGANIC LIQUID AND A FLATTING AMOUNT OF SOLID PARTICLES OF A SILICA FLATTING AGENT CONSISTING ESSENTIALLY OF THE HYDROPHILIC TO PARTIALLY HYDROPHOBIC BUT NON-ORGANOPHILIC REACTION PRODUCT OF (1) AN AMORPHOUS, HYDROPHILIC, WATER-INSOLUBLE SILICA MATERIAL CONTAINING A THOUSAND AND MORE OF SILANOL GROUPS AND HAVING AN ACID NUMBER ABOVE 0.2 AND (2) FROM 2 TO 25% BY WEIGHT, BASED ON THE DRY SILICA MATERIAL, OF AN ORGANIC SILICATE HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
81 words
A COATING COMPOSITION CONTAINING A FILM-FORMING MATERIAL DISSOLVED IN AN ORGANIC LIQUID AND A FLATTING AMOUNT OF SOLID PARTICLES OF A SILICA FLATTING AGENT CONSISTING ESSENTIALLY OF THE HYDROPHILIC TO PARTIALLY HYDROPHOBIC BUT NON-ORGANOPHILIC REACTION PRODUCT OF (1) AN AMORPHOUS, HYDROPHILIC, WATER-INSOLUBLE SILICA MATERIAL CONTAINING A THOUSAND AND MORE OF SILANOL GROUPS AND HAVING AN ACID NUMBER ABOVE 0.2 AND (2) FROM 2 TO 25% BY WEIGHT, BASED ON THE DRY SILICA MATERIAL, OF AN ORGANIC SILICATE HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
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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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |