US2870033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive compositions
Assignee: Diamond Shamrock Corp
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Filing: 1954-03-19
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Granted: 1959-01-20
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Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
- 👤 James G Lander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:18
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN ADHESIVE SILICATE COMPOSITION CHARACTERIZED BY STRONG ADHERENCE TO CELLULOSIC MATERIALS AND SUBSTANTIAL NON-ADHERENCE TO HEATED METAL SURFACES, SAID COMPOSITION CONSISTING OF A MAJOR PROPORTION OF AN AQUEOUS ADHESIVE SILICATE SOLUTION HAVING A SOLIDS CONTENT OF 35-45% AND AN NA2O:SIO2 RATIO OF 1:2.5-4 AND INCLUDING IN THE MINOR PROPORTION, ABOUT 3 TO 10% UREA, AND ABOUT 0.1 TO 3% OF A FATTY OIL, SUFFICIENT IN AMOUNT TO IMPART NONADHERENCE OF SAID ADHESIVE SILICATE GLASS TO HEATED METAL SURFACES.
Claim 2
Dependent Claim
78 words
AN ADHESIVE SILICATE COMPOSITION CHARACTERIZED BY STRONG ADHERENCE TO CELLULOSIC MATERIALS AND SUBSTANTIAL NON-ADHERENCE TO HEATED METAL SURFACES, SAID COMPOSITION CONSISTING OF A MAJOR PROPORTION OF AN AQUEOUS ADHESIVE SILICATE SOLUTION HAVING A SOLIDS CONTENT OF 35-45% AND AN NA2O:SIO2 RATIO OF 1:2.5-4 AND INCLUDING IN THE MINOR PROPORTION, ABOUT 3 TO 10% UREA, AND ABOUT 0.1 TO 3% OF A FATTY OIL, SUFFICIENT IN AMOUNT TO IMPART NONADHERENCE OF SAID ADHESIVE SILICATE GLASS TO HEATED METAL SURFACES.
References Cited (Backward Citations)
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 |