Patent US2758049A successfully refreshed from Google Patents.
US2758049A
Expired / Lapsed
US
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Iodine dissolved in an aqueous solution of polyacrylic acid
Assignee: Rohm and Haas Co
•
Filing: 1953-06-01
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Granted: 1956-08-07
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Expires: 1973-06-01
Abstract
No abstract record available.
Inventors
- 👤 Jack B Dienna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:48
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/18; A01; A01N; A01N59/00; A01N59/12; C; C11; C11D; C11D1/00; Y; Y10; Y10S; Y10S260/00; Y10S260/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AS A NEW COMPOSITION, AN AQUEOUS SOLUTION CONTAINING BETWEEN 10% AND 50% OF A WATER-SOLUBLE POLYACRYLIC ACID DISSOLVED THEREIN AND HAVING DISSOLVED THEREIN IODINE IN AN AMOUNT OF 1% TO 10% OF THE WEIGHT OF SAID ACID.
Claim 2
Dependent Claim
37 words
AS A NEW COMPOSITION, AN AQUEOUS SOLUTION CONTAINING BETWEEN 10% AND 50% OF A WATER-SOLUBLE POLYACRYLIC ACID DISSOLVED THEREIN AND HAVING DISSOLVED THEREIN IODINE IN AN AMOUNT OF 1% TO 10% OF THE WEIGHT OF SAID ACID.
References Cited (Backward Citations)
US2066105A
Cited
US2077298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |