US2736678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive silicate composition and method of using the same
Assignee: Diamond Shamrock Corp
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Filing: 1953-05-13
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Granted: 1956-02-28
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Expires: 1973-05-13
Abstract
No abstract record available.
Inventors
- 👤 Donald J Olix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
C; C09; C09J; C09J1/00; C09J1/02; C04; C04B; C04B24/00; C04B24/24; C04B24/28; C04B24/30; C04B24/38; C04B24/383; C04B28/00; C04B28/24; C04B28/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
THE PERIOD OF PREPARING PAPERBOARD WHICH INCLUDES APPLYING TO THE SHEETS OF PAPER TO BE LAMINATED AS THE ADHESIVE THEREFOR, A COMPOSITION COMPRISING 50-75% BY WEIGHT OF AN AQUEOUS SILICATE GLASS SOLUTION HAVING A SOLIDS CONTENT OF 35-45% AND AN NA2O:SIO2 RATIO OF 1:2.5-4, 2-25% BY WEIGHT OF A STARCH ESTER OF A HYDROCARBON SUBSTITUTED DICARBOXYLIC ACID FROM THE GROUP CONSISTING OF GLUTARIC AND SUCCINIC ACIDS, 5-20% BY WEIGHT OF A KAOLIN CLAY HAVING AN AVERAGE PARTICLE SIZE SUCH THAT 80-85% OF THE PARTICLES ARE LESS THAN 2 MICRONS, AND WATER TO MAKE 100% BY WEIGHT, PRESSING THE SHEETS OF PAPER TOGETHER TO FORM THE LAMINATE, AND HEATING THE LAMINATE TO SET SAID ADHESIVE COMPOSITION.
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |