Patent US3275589A successfully refreshed from Google Patents.
US3275589A
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US
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Terpolymer of vinyl acetate, dialkyl ester and alkyl acrylate
Assignee: WR Grace and Co
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Filing: 1963-02-14
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Granted: 1966-09-27
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Robert R Alexander
- 👤 Anthony J Urjil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:20
CPC Classifications
C; C08; C08F; C08F218/00; C08F218/02; C08F218/04; C08F218/08; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1808; C08F222/00; C08F222/10; C08F222/12; C08F222/14; C08F222/145; C09; C09D; C09D131/00; C09D131/02; C09D131/04; C09J; C09J131/00; C09J131/02; C09J131/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PERMANENTLY TACKY TERPOLYMER CONSISTING OF (A) 30 TO 40 PARTS BY WEIGHT OF VINYL ACETATE, (B) 20 TO 35 PARTS BY WEIGHT OF A MONOALKYL ESTER OF AN $,$-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID HAVING 3 TO 5 CARBON ATOMS WHEREIN THE ALKYL MOIETY CONTAINS 7 TO 12 CARBON ATOMS AND (C) 30 TO 40 PARTS BY WEIGHT OF A DIALKYL ESTER OF AN $,$-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID HAVING 3 TO 5 CARBON ATOMS WHEREIN EACH ALKYL MOIETY CONTAINS 7 TO 12 CARBON ATOMS.
Claim 2
Dependent Claim
83 words
A PERMANENTLY TACKY TERPOLYMER CONSISTING OF (A) 30 TO 40 PARTS BY WEIGHT OF VINYL ACETATE, (B) 20 TO 35 PARTS BY WEIGHT OF A MONOALKYL ESTER OF AN $,$-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID HAVING 3 TO 5 CARBON ATOMS WHEREIN THE ALKYL MOIETY CONTAINS 7 TO 12 CARBON ATOMS AND (C) 30 TO 40 PARTS BY WEIGHT OF A DIALKYL ESTER OF AN $,$-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID HAVING 3 TO 5 CARBON ATOMS WHEREIN EACH ALKYL MOIETY CONTAINS 7 TO 12 CARBON ATOMS.
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |