Patent US2907736A successfully refreshed from Google Patents.
US2907736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of polyhydric phenols
Assignee: SC Johnson and Son Inc
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Filing: 1955-06-30
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Granted: 1959-10-06
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Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Sylvan O Greenlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:19
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A NEW COMPOSITION OF MATTER COMPRISING THE ESTER OF (A) AN ETHYLENICALLY UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID HAVING AT LEAST ABOUT 10 CARBON ATOMS WITH (B) THE ESTER OF A POLYHYDRIC ALCOHOL HAVING ALCOHOLIC HYDROXYLS AS THE SOLE REACTIVE GROUPS AND (1) AT LEAST ONE POLYCARBOXYLIC ACID AND (2) A PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4 BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS.
Claim 2
Dependent Claim
79 words
A NEW COMPOSITION OF MATTER COMPRISING THE ESTER OF (A) AN ETHYLENICALLY UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID HAVING AT LEAST ABOUT 10 CARBON ATOMS WITH (B) THE ESTER OF A POLYHYDRIC ALCOHOL HAVING ALCOHOLIC HYDROXYLS AS THE SOLE REACTIVE GROUPS AND (1) AT LEAST ONE POLYCARBOXYLIC ACID AND (2) A PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4 BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL 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 |