Patent US3040001A successfully refreshed from Google Patents.
US3040001A
Expired / Lapsed
US
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Dry bright waxy resin
Assignee: Standard Oil Co
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Filing: 1959-09-24
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Granted: 1962-06-19
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Broadhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/14; C09G1/16; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A WAXY RESIN PREPARED BY CONDENSING (I) A MONOESTER OF AN ACIDIC MEMBER SELECTED FROM THE CLASS CONSISTING OF UNSUBSTITUTED BENZENE TRICARBOXYLIC ACIDS AND ANHYDRIDES THEREOF AND AN ALKANOL CONTAINING FROM AT LEAST 18 TO ABOUT 30 CARBON ATOMS AND ONLY CARBON, HYDROGEN AND OXYGEN ATOMS AND (II) AN ALKANEDIOL CONTAINING FROM 2 TO 6 CARBON ATOMS AND ONLY CARBON, HYDROGEN AND OXYGEN ATOMS, IN A MOLE RATIO OF SAID MONOESTER TO ALKANEDIOL OF FROM ABOUT 1.0:1 TO ABOUT 1.25:1, AT A TEMPERATURE BETWEEN ABOUT 125*C. AND 225*C., WITH CONTINUOUS WITHDRAWAL OF WATER OF REACTION UNTIL CONDENSATION IS ESSENTIALLY COMPLETE, TO OBTAIN A WAXY SOLID RESIN PRODUCT HAVING AN ACID NUMBER OF NOT MORE THAN ABOUT 30.
Claim 2
Dependent Claim
117 words
A WAXY RESIN PREPARED BY CONDENSING (I) A MONOESTER OF AN ACIDIC MEMBER SELECTED FROM THE CLASS CONSISTING OF UNSUBSTITUTED BENZENE TRICARBOXYLIC ACIDS AND ANHYDRIDES THEREOF AND AN ALKANOL CONTAINING FROM AT LEAST 18 TO ABOUT 30 CARBON ATOMS AND ONLY CARBON, HYDROGEN AND OXYGEN ATOMS AND (II) AN ALKANEDIOL CONTAINING FROM 2 TO 6 CARBON ATOMS AND ONLY CARBON, HYDROGEN AND OXYGEN ATOMS, IN A MOLE RATIO OF SAID MONOESTER TO ALKANEDIOL OF FROM ABOUT 1.0:1 TO ABOUT 1.25:1, AT A TEMPERATURE BETWEEN ABOUT 125*C. AND 225*C., WITH CONTINUOUS WITHDRAWAL OF WATER OF REACTION UNTIL CONDENSATION IS ESSENTIALLY COMPLETE, TO OBTAIN A WAXY SOLID RESIN PRODUCT HAVING AN ACID NUMBER OF NOT MORE THAN ABOUT 30.
References Cited (Backward Citations)
FR881823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |