Patent US3098051A successfully refreshed from Google Patents.
US3098051A
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US
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Adduct of an anhydride of an aromatic polybasic acid and a fatty acid ester
Assignee: Reichhold Chemicals Inc
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Filing: 1958-08-13
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Granted: 1963-07-16
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Expires: 1978-08-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph Z Matt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:24
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553; C07; C07C; C07C69/00; C07C69/76; C08G63/46; C08G63/48; C08G63/66; C08G63/668; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/07; Y10S516/905; Y10S516/914; Y10S516/915; Y10S516/917; Y10S516/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE ADDUCT OF AN ANHYDRIDE GROUP OF AN ANHYDRIDE OF AN AROMATIC POLYBASIC ACID WHICH ACID HAS AT LEAST THREE CARBOXYLIC ACID GROUPS WITH AN HYDROXYL GROUP OF A FATTY ACID ESTER CONTAINING AT LEAST TWO ALCOHOLIC HYDROXYL GROUPS INCLUDING AT LEAST ONE IN THE FATTY ACID CHAIN, SAID ADDUCT CONTAINING AT LEAST ONE -COOH GROUP DERIVING FROM SAID ANHYDRIDE GROUP, AND AN ESTER LINKAGE AT SAID HYDROXYL GROUP OF THE FATTY ACID CHAIN, SAID ESTER LINKAGE ALSO DERIVING FROM SAID ANHYDRIDE GROUP.
Claim 2
Dependent Claim
83 words
THE ADDUCT OF AN ANHYDRIDE GROUP OF AN ANHYDRIDE OF AN AROMATIC POLYBASIC ACID WHICH ACID HAS AT LEAST THREE CARBOXYLIC ACID GROUPS WITH AN HYDROXYL GROUP OF A FATTY ACID ESTER CONTAINING AT LEAST TWO ALCOHOLIC HYDROXYL GROUPS INCLUDING AT LEAST ONE IN THE FATTY ACID CHAIN, SAID ADDUCT CONTAINING AT LEAST ONE -COOH GROUP DERIVING FROM SAID ANHYDRIDE GROUP, AND AN ESTER LINKAGE AT SAID HYDROXYL GROUP OF THE FATTY ACID CHAIN, SAID ESTER LINKAGE ALSO DERIVING FROM SAID ANHYDRIDE GROUP.
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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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |