Patent US3094504A successfully refreshed from Google Patents.
US3094504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft copolymers of certain monomeric sulfonic acid compounds on nu-vinyl-3-morpholinone polymer substrates and improved acrylonitrile polymer compositions obtainable therewith
Assignee: Dow Chemical Co
•
Filing: 1959-09-11
•
Granted: 1963-06-18
•
Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
- 👤 Stanley A Murdock
- 👤 Teddy G Traylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:47
CPC Classifications
C; C08; C08F; C08F271/00; C08F271/02; C08L; C08L33/00; C08L33/18; C08L33/20; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
GRAFT COPOLYMER OF BETWEEN ABOUT 10 AND ABOUT 80 WEIGHT PERCENT OF (A) AN ALKENYL GROUP-CONTAINING ORGANIC SULFONIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE REPRESENTED BY THE FORMULAE:
Claim 2
Dependent Claim
31 words
GRAFT COPOLYMER OF BETWEEN ABOUT 10 AND ABOUT 80 WEIGHT PERCENT OF (A) AN ALKENYL GROUP-CONTAINING ORGANIC SULFONIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE REPRESENTED BY THE FORMULAE:
References Cited (Backward Citations)
US2558734A
Cited
US2861101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |