US2956046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of acrylic acid salts and the like
Assignee: Rohm and Haas Co
•
Filing: 1954-09-21
•
Granted: 1960-10-11
•
Expires: 1974-09-21
Abstract
No abstract record available.
Inventors
- 👤 Frank J Glavis
- 👤 Donald G Downing
- 👤 Henry M Grotta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:30
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/04; C08F20/06; C08F22/00; Y; Y10; Y10S; Y10S526/00; Y10S526/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS FOR PRODUCING A POLYMER COMPRISING PREPARING AN AQUEOUS DISPERSION CONTAINING DISSOLVED THEREIN (A) AN AMOUNT FROM 15% BY WEIGHT UP TO SATURATION OF WATER-SOLUBLE, SOLID MONOMERIC MATERIAL CONSISTING OF 5 TO 100% BY WEIGHT OF AT LEAST ONE SOLID WATERSOLUBLE SALT OF AN ACID OF THE FORMULA
Claim 2
Dependent Claim
49 words
A PROCESS FOR PRODUCING A POLYMER COMPRISING PREPARING AN AQUEOUS DISPERSION CONTAINING DISSOLVED THEREIN (A) AN AMOUNT FROM 15% BY WEIGHT UP TO SATURATION OF WATER-SOLUBLE, SOLID MONOMERIC MATERIAL CONSISTING OF 5 TO 100% BY WEIGHT OF AT LEAST ONE SOLID WATERSOLUBLE SALT OF AN ACID OF THE FORMULA
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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |