US2605254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tough, strong, and easily-processed vinyl chloride interpolymers containing free side-chain carboxyl groups
Assignee: Goodrich Corp
•
Filing: 1951-05-22
•
Granted: 1952-07-29
•
Expires: 1971-05-22
Abstract
No abstract record available.
Inventors
- 👤 Robert J Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:42
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AN INTERPOLYMER MADE BY POLYMERIZING UNDER ACIDIC CONDITIONS A MIXTURE OF MONOMERIC MATERIALS COMPRISING FROM 35 TO 90% BY WEIGHT OF VINYL CHLORIDE, FROM 5 TO 65% BY WEIGHT OF AN ALKYL ESTER OF ACRYLIC ACID, AND FROM 0.2 TO 25% BY WEIGHT OF AN ESTER OF THE FORMULA
Claim 2
Dependent Claim
49 words
AN INTERPOLYMER MADE BY POLYMERIZING UNDER ACIDIC CONDITIONS A MIXTURE OF MONOMERIC MATERIALS COMPRISING FROM 35 TO 90% BY WEIGHT OF VINYL CHLORIDE, FROM 5 TO 65% BY WEIGHT OF AN ALKYL ESTER OF ACRYLIC ACID, AND FROM 0.2 TO 25% BY WEIGHT OF AN ESTER OF THE FORMULA
References Cited (Backward Citations)
US2147154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |