US2957843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting composition comprising an unsaturated polyester resin, vinyl monomer and a polyalkylene glycol and process for producing same
Assignee: Union Carbide Corp
•
Filing: 1958-01-29
•
Granted: 1960-10-25
•
Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Anderson
- 👤 Patricia T Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828; C08L67/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A THERMOSETTING COMPOSITION COMPRISING AN UNSATURATED POLYESTER RESIN WHICH IS THE REACTION PRODUCT OF A POLYHYDRIC ALCOHOL AND COMPOUND SELECTED FROM THE GROUP CONSISTING OF OLEFINIC UNSATURATED POLYCARBOXYLIC ACIDS AND ANHYDRIDES OF OLEFINIC UNSATURATED POLYCARBOXYLIC ACIDS, A VINYL MONOMER HAVING THE FORMULA CI=CHR, WHEREIN R IS A GROUP HAVING UNSATURATION IN CONJUGATION WITH THE C2=CH- GROUP AND SELECTED FROM THE GROUP CONSISTING OF ARYL, KETONIC, HETEROCYCLIC, NITRILE, CARBALKOXY, CARBOXY, AND AMIDO, SAID VINYL MONOMER BEING PRESENT IN AN AMOUNT OF FROM ABOUT 20 TO ABOUT 75 PERCENT BY WEIGHT BASED ON THE WEIGHT OF SAID POLYESTER RESIN, AND A POLYALKYLENE GLYCOL SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOLS AND POLYPROPYLENE GLYCOLS, SAID POLYALKYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF FROM ABOUT 3000 TO ABOUT 20,000 AND BEING PRESENT IN AN AMOUNT OF FROM ABOUT 0.025 TO 20 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE SAID POLYESTER RESIN AND SAID VINYL MONOMER.
Claim 2
Dependent Claim
154 words
A THERMOSETTING COMPOSITION COMPRISING AN UNSATURATED POLYESTER RESIN WHICH IS THE REACTION PRODUCT OF A POLYHYDRIC ALCOHOL AND COMPOUND SELECTED FROM THE GROUP CONSISTING OF OLEFINIC UNSATURATED POLYCARBOXYLIC ACIDS AND ANHYDRIDES OF OLEFINIC UNSATURATED POLYCARBOXYLIC ACIDS, A VINYL MONOMER HAVING THE FORMULA CI=CHR, WHEREIN R IS A GROUP HAVING UNSATURATION IN CONJUGATION WITH THE C2=CH- GROUP AND SELECTED FROM THE GROUP CONSISTING OF ARYL, KETONIC, HETEROCYCLIC, NITRILE, CARBALKOXY, CARBOXY, AND AMIDO, SAID VINYL MONOMER BEING PRESENT IN AN AMOUNT OF FROM ABOUT 20 TO ABOUT 75 PERCENT BY WEIGHT BASED ON THE WEIGHT OF SAID POLYESTER RESIN, AND A POLYALKYLENE GLYCOL SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE GLYCOLS AND POLYPROPYLENE GLYCOLS, SAID POLYALKYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF FROM ABOUT 3000 TO ABOUT 20,000 AND BEING PRESENT IN AN AMOUNT OF FROM ABOUT 0.025 TO 20 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE SAID POLYESTER RESIN AND SAID VINYL MONOMER.
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) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |