Patent US3786020A successfully refreshed from Google Patents.
US3786020A
Expired / Lapsed
US
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Caulking composition comprising polymer having addition polymerized backbone having carboxyl groups esterified with drying oil fatty acid glycidyl ester
Assignee: Rohm and Haas Co
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Filing: 1971-09-07
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Granted: 1974-01-15
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Expires: 1991-09-07
Abstract
Abstract THE CAULKING OR SEALING COMPOSITION OF THE INVENTION HAS AS ITS BINDER AN ACRYLIC BACKBONE CONTAINING PENDANT UNSATURATED GROUPS, PREFERABLY DERIVED FROM DRYING OILS OR EQUIVALENT AIR CURABLE UNSATURATED PENDANT ALKYL RADICALS, AND ATTACHED TO THE ACRYLIC BACKBONE THROUGH ESTER LINKAGES. THE MODIFIED ACRYLIC PRODUCT HAS THE FEXIBILITY AND DURABILITY CHARACTERISTIC OF ACRYLICS, AND THE ADVANTAGE THAT THE COMPOSITION WILL CURE SIMILARLY TO DRYING OILS, USING DRIERS SUCH AS COBALT NAPHTHENATE AND ZINC NAPHTHERNATE.
Inventors
- 👤 W Emmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:54
CPC Classifications
C; C08; C08F; C08F8/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |