US3053783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water soluble polyesters of benzene polycarboxylic acids
Assignee: Standard Oil Co
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Filing: 1958-09-19
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Granted: 1962-09-11
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Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Broadhead
- 👤 Richard E Van Strien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:50
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/91; C08G63/914; C08G63/02; C08G63/12; C08G63/16; C08G63/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
AN AQUEOUS SOLUTION OF RESINOUS REACTION PRODUCT OF REACTANTS CONSISTING ESSENTIALLY OF (A) THE POLYESTER CONDENSATION REACTION RESIN OF AN ALIPHATIC POLYOL SELECTED FROM THE CLASS CONSISTING OF ALKYLENE GLYCOLS AND ALKYLENE ETHER GLYCOLS AND AN ACIDIC MEMBER SELECTED FROM THE CLASS CONSISTING OF BENZENE POLYCARBOXYLIC ACIDS CONTAINING, AS THE ONLY SUBSTITUENTS, 3 CARBOXYL GROUPS AND ANHYDRIDES THEREOF, IN A MOLE RATIO OF SAID POLYOL TO SAID ACIDIC MEMBER OF BETWEEN ABOUT 1.2 AND 1.5, SAID REACTION PRODUCT HAVING AN ACID NUMBER BETWEEN ABOUT 20 AND 300, THE RESIN OF A BEING TREATED WITH (B) AN ALKALINE REACTING MATERIAL SELECTED FROM THE CLASS CONSISTING OF AMMONIUM HYDROXIDE AND AMINE IN AN AMOUNT BETWEEN ABOUT 60% AND 100% OF THAT NEEDED TO NEUTRALIZE THE ACIDITY OF SAID RESIN A, SAID USAGE IN GENERAL BEING GREATER, IN PERCENTAGE, THE LOWER THE ACID NUMBER OF SAID RESIN A, SAID TREATING BEING CARRIED OUT IN A WATER MEDIUM WHEREBY AN AQUEOUS SOLUTION OF RESINOUS REACTION PRODUCT OF A AND B IS OBTAINED.
Claim 2
Dependent Claim
168 words
AN AQUEOUS SOLUTION OF RESINOUS REACTION PRODUCT OF REACTANTS CONSISTING ESSENTIALLY OF (A) THE POLYESTER CONDENSATION REACTION RESIN OF AN ALIPHATIC POLYOL SELECTED FROM THE CLASS CONSISTING OF ALKYLENE GLYCOLS AND ALKYLENE ETHER GLYCOLS AND AN ACIDIC MEMBER SELECTED FROM THE CLASS CONSISTING OF BENZENE POLYCARBOXYLIC ACIDS CONTAINING, AS THE ONLY SUBSTITUENTS, 3 CARBOXYL GROUPS AND ANHYDRIDES THEREOF, IN A MOLE RATIO OF SAID POLYOL TO SAID ACIDIC MEMBER OF BETWEEN ABOUT 1.2 AND 1.5, SAID REACTION PRODUCT HAVING AN ACID NUMBER BETWEEN ABOUT 20 AND 300, THE RESIN OF A BEING TREATED WITH (B) AN ALKALINE REACTING MATERIAL SELECTED FROM THE CLASS CONSISTING OF AMMONIUM HYDROXIDE AND AMINE IN AN AMOUNT BETWEEN ABOUT 60% AND 100% OF THAT NEEDED TO NEUTRALIZE THE ACIDITY OF SAID RESIN A, SAID USAGE IN GENERAL BEING GREATER, IN PERCENTAGE, THE LOWER THE ACID NUMBER OF SAID RESIN A, SAID TREATING BEING CARRIED OUT IN A WATER MEDIUM WHEREBY AN AQUEOUS SOLUTION OF RESINOUS REACTION PRODUCT OF A AND B IS OBTAINED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |