US2979480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride resins
Assignee: Occidental Chemical Corp
•
Filing: 1957-01-04
•
Granted: 1961-04-11
•
Expires: 1977-01-04
Abstract
No abstract record available.
Inventors
- 👤 Robert A Piloni
- 👤 Jr George P Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:07
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A RESIN CHARACTERIZED BY GOOD ADHESION TO METALLIC AND OTHER SURFACES, AND BY TOLERANCE OF ALKALINE PIGMENTS, COMPRISING A COPOLYMER OF (A) 55-80% OF VINYL CHLORIDE, (B) 14-45% OF A DIHYDROCARBON ESTER OF MALEIC ACID IN WHICH THE ESTERIFYING HYDROCARBON GROUPS CONTAIN 1-30 CARBON ATOMS AND (C) 1-10% OF AN ACID ESTER HAVING THE FORMULA
Claim 2
Dependent Claim
55 words
A RESIN CHARACTERIZED BY GOOD ADHESION TO METALLIC AND OTHER SURFACES, AND BY TOLERANCE OF ALKALINE PIGMENTS, COMPRISING A COPOLYMER OF (A) 55-80% OF VINYL CHLORIDE, (B) 14-45% OF A DIHYDROCARBON ESTER OF MALEIC ACID IN WHICH THE ESTERIFYING HYDROCARBON GROUPS CONTAIN 1-30 CARBON ATOMS AND (C) 1-10% OF AN ACID ESTER HAVING THE FORMULA
References Cited (Backward Citations)
US2359038A
Cited
US2222928A
Cited
US2413673A
Cited
US2656295A
Cited
US2706721A
Cited
USRE24206E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |