US2842448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sodium silicate adhesive
Assignee: Diamond Shamrock Corp
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Filing: 1953-05-13
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Granted: 1958-07-08
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Expires: 1973-05-13
Abstract
No abstract record available.
Inventors
- 👤 John E Dereich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:36
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN ADHESIVE COMPOSITION OF MATTER CHARACTERIZED BY STRONG ADHESION TO CELLULOSIC MATERIALS AND SLIGHT ADHESION TO HEATED METAL SURFACES, SAID COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS ADHESIVE SILICATE GLASS HAVING AN NA2O:SIO2 RATIO SUBSTANTIALLY WITHIN THE RANGE OF 1:2.5-4, IN THE MAJOR PROPORTION, AND 0.1% TO 1% OF A SALT OF AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF SATURATED ALIPHATIC ALKYL, SATURATED ALIPHATIC CYCLIC AND AROMATIC ACIDS HAVING FROM 6 TO 12 CARBON ATOMS IN THE MOLECULES THEREOF, THE METAL CONSTITUENT OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF MANGANESE, COBALT, COPPER, CERIUM, LEAD, ZINC, CALCIUM, TIN, AND ALUMINUM, THE AMOUNT OF SAID SALT BEING SUFFICIENT TO RENDER SAID SILICATE GLASS NON-ADHESIVE TO HEATED METALLIC SURFACES.
Claim 2
Dependent Claim
120 words
AN ADHESIVE COMPOSITION OF MATTER CHARACTERIZED BY STRONG ADHESION TO CELLULOSIC MATERIALS AND SLIGHT ADHESION TO HEATED METAL SURFACES, SAID COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS ADHESIVE SILICATE GLASS HAVING AN NA2O:SIO2 RATIO SUBSTANTIALLY WITHIN THE RANGE OF 1:2.5-4, IN THE MAJOR PROPORTION, AND 0.1% TO 1% OF A SALT OF AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF SATURATED ALIPHATIC ALKYL, SATURATED ALIPHATIC CYCLIC AND AROMATIC ACIDS HAVING FROM 6 TO 12 CARBON ATOMS IN THE MOLECULES THEREOF, THE METAL CONSTITUENT OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF MANGANESE, COBALT, COPPER, CERIUM, LEAD, ZINC, CALCIUM, TIN, AND ALUMINUM, THE AMOUNT OF SAID SALT BEING SUFFICIENT TO RENDER SAID SILICATE GLASS NON-ADHESIVE TO HEATED METALLIC 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) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |