US2907735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esterified epoxy polyesters
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 21:44
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08G63/00; C08G63/91; C08G63/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A NEW COMPOSITION OF MATTER COMPRISING THE ESTER OF (A) AN EPOXIDIZED POLYESTER OF TETRAHYDROPHALIC ACID THAN ONE EPOXY GROUP WHEREIN THE NUCLEUS OF SAID THAN ONE EPOXY GROUP WHEREIN THE EPOXY OXYGEN ATOM IS LINKED TO ADJACENT CARBON ATOMS IN THE NUCLEUS OF SAID ACID WITH (B) THE DIESTER OF (A) AT LEAST NOE ETHYLENICALLY UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID HAVING AT LEAST ABOUT 10 CARBON ATOMS AND FREE OF ALCOHOLIC HYDROXYL GROUPS WITH (B) A PENTANIOC ACID CONSISTING ESSENTIALLY OF 4,4 BIS4-HYDROXYARYL) PENTANIOC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS, THE ESTER LINKAGES OF SAID ESTER OF (A) WITH (B) BEING DEVELOPED AT LEAST PARTIALLY BY THE ADDITION OF THE CARBOXYL GROUP OF DIESTER (B) WITH THE EPOXY GROUPS OF THE POLYEPOXY POLYESTER (A).
Claim 2
Dependent Claim
141 words
A NEW COMPOSITION OF MATTER COMPRISING THE ESTER OF (A) AN EPOXIDIZED POLYESTER OF TETRAHYDROPHALIC ACID THAN ONE EPOXY GROUP WHEREIN THE NUCLEUS OF SAID THAN ONE EPOXY GROUP WHEREIN THE EPOXY OXYGEN ATOM IS LINKED TO ADJACENT CARBON ATOMS IN THE NUCLEUS OF SAID ACID WITH (B) THE DIESTER OF (A) AT LEAST NOE ETHYLENICALLY UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID HAVING AT LEAST ABOUT 10 CARBON ATOMS AND FREE OF ALCOHOLIC HYDROXYL GROUPS WITH (B) A PENTANIOC ACID CONSISTING ESSENTIALLY OF 4,4 BIS4-HYDROXYARYL) PENTANIOC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS, THE ESTER LINKAGES OF SAID ESTER OF (A) WITH (B) BEING DEVELOPED AT LEAST PARTIALLY BY THE ADDITION OF THE CARBOXYL GROUP OF DIESTER (B) WITH THE EPOXY GROUPS OF THE POLYEPOXY POLYESTER (A).
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 |