Patent US2907778A successfully refreshed from Google Patents.
US2907778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of polyhydric phenol amides
Assignee: SC Johnson and Son Inc
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Filing: 1956-11-07
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Granted: 1959-10-06
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Expires: 1976-11-07
Abstract
No abstract record available.
Inventors
- 👤 Sylvan O Greenlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:29
CPC Classifications
C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A NEW COMPOSITION OF MATTER COMPRISING AN ESTER OF AT LEAST ONE ETHYLENICALLY UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID CONTAINING AT LEAST ABOUT 10 CARBON ATOMS AND A POLYHYDIRC PHENOL, SAID POLYHYDRIC PHENOL BEING A POLYAMIDE OF (1) A PLYAMINE CONTAINING AT LEAST 2 AMINO GROUPS, EACH OF SAID AMONO GROUPS, HAVING AT LEAST ONE HYDROGEN ATOM ATTACHED THERETO REACTIVE WITH A CARBOXYL GROUP AND FREE FROM SUBSTIUTENST OTHER THAN ETHR AND HYDROXYL AND (2) A PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4-BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENOL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS.
Claim 2
Dependent Claim
103 words
A NEW COMPOSITION OF MATTER COMPRISING AN ESTER OF AT LEAST ONE ETHYLENICALLY UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID CONTAINING AT LEAST ABOUT 10 CARBON ATOMS AND A POLYHYDIRC PHENOL, SAID POLYHYDRIC PHENOL BEING A POLYAMIDE OF (1) A PLYAMINE CONTAINING AT LEAST 2 AMINO GROUPS, EACH OF SAID AMONO GROUPS, HAVING AT LEAST ONE HYDROGEN ATOM ATTACHED THERETO REACTIVE WITH A CARBOXYL GROUP AND FREE FROM SUBSTIUTENST OTHER THAN ETHR AND HYDROXYL AND (2) A PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4-BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENOL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS.
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |