Patent US3000842A successfully refreshed from Google Patents.
US3000842A
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Polyvinyl butyral-amylpolysiloxane resin blends for treating asbestos-cement shingles and method for using same
Assignee: Union Carbide Corp
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Filing: 1958-06-24
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Granted: 1961-09-19
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Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Paul A Homier
- 👤 Sterman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:48
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/46; C04B41/49; C04B41/4905; C04B41/495; C04B41/4961; C04B41/60; C04B41/61; C04B41/62; C04B41/64; C08; C08L; C08L29/00; C08L29/14; C04B2111/00; C04B2111/20; C04B2111/27
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
A COMPOSITION CONSISTING OF AN AQUEOUS EMULSION OF A POLYVINYL BUTYRAL RESIN AND AN AMYLPOLYSILOXANE RESIN, SAID EMULSION CONTAINING A TOTAL RESIN CONTENT OF FROM ABOUT 1.6 PERCENT TO ABOUT 32 PERCENT BY WEIGHT OF SAID EMULSION, SAID TOTAL RESIN CONTENT CONSISTING OF FROM ABOUT 33 PERCENT TO ABOUT 95 PERCENT BY WEIGHT OF SAID POLYVINYL BUTYRAL RESIN AND FROM ABOUT 5 PERCENT TO ABOUT 67 PERCENT BY WEIGHT OF SAID AMYLPOLYSILOXANE RESIN, SAID ANYLPOLYSILOXANE RESIN BEING SELECTED FROM THE CLASS CONSISTING OF (A) MONO-AMYLPOLYSILOXANE RESINS PREPARED BY HYDROLYZING AND CONDENSING AMYLTRICHLOROSILANE AND (B) MONO-AMYLPOLYSILOXANE RESINS PREPARED BY HYDROLYZING AND CONDENSING A MIXTURE OF AMYLTRICHLOROSILANE AND TETRAETHYL SILICATE.
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |