US2595848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeable copolymers
Assignee: Solutia Inc
•
Filing: 1950-02-27
•
Granted: 1952-05-06
•
Expires: 1970-02-27
Abstract
No abstract record available.
Inventors
- 👤 George E Ham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:01
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/62; D06P1/628; D06P3/00; D06P3/70; D06P3/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A DYE RECEPTIVE COPOLYMER OF 75 TO 98 PERCENT BY WEIGHT OF ACRYLONITRILE AND FROM TWO TO 25 PERCENT OF A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
25 words
A DYE RECEPTIVE COPOLYMER OF 75 TO 98 PERCENT BY WEIGHT OF ACRYLONITRILE AND FROM TWO TO 25 PERCENT OF A COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
GB597368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |