US3133865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waveset composition comprising an aqueous lotion of polyvinyl alcohol and a carboxy vinyl polymer
Assignee: Wyeth LLC
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Filing: 1961-05-22
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Granted: 1964-05-19
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Earl L Richardson
- 👤 George C Hoss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:50
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8129; A61K8/8141; A61K8/8147; C; C08; C08L; C08L29/00; C08L29/02; C08L29/04; A61K2800/00; A61K2800/40; A61K2800/59; A61K2800/594; C08L33/00; C08L33/02; Y; Y10; Y10S; Y10S424/00; Y10S424/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A WAVESET LOTION COMPRISING WATER, POLYVINYL ALCOHOL, AND A HIGH MOLECULAR WIEGHT CARBOXYVINYL POLYMER COMPRISING POLYACRYLIC ACID CROSSLINKED WITH ABOUT 1% OF POLYALLYL SUCROSE HAVING AN AVERAGE OF ABOUT 5.8 ALLYL GROUPS FOR EACH SUCROSE MOLECULE, SAID CARBOXYVINYL POLYMER BEING PARTIALLY NEUTRALIZED BY A WATER SOLUBLE BASE, THE SAID POLYVINYL ALCOHOL BEING PRESENT IN AN AMOUNT OF BETWEEN 0.1 TO 2.5 PERCENT, THE SAID CARBOXYVINYL POYMER BEING PRESENT IN AN AMOUNT BETWEEN 0.02 AND 2.5 PERCENT.
Claim 2
Dependent Claim
76 words
A WAVESET LOTION COMPRISING WATER, POLYVINYL ALCOHOL, AND A HIGH MOLECULAR WIEGHT CARBOXYVINYL POLYMER COMPRISING POLYACRYLIC ACID CROSSLINKED WITH ABOUT 1% OF POLYALLYL SUCROSE HAVING AN AVERAGE OF ABOUT 5.8 ALLYL GROUPS FOR EACH SUCROSE MOLECULE, SAID CARBOXYVINYL POLYMER BEING PARTIALLY NEUTRALIZED BY A WATER SOLUBLE BASE, THE SAID POLYVINYL ALCOHOL BEING PRESENT IN AN AMOUNT OF BETWEEN 0.1 TO 2.5 PERCENT, THE SAID CARBOXYVINYL POYMER BEING PRESENT IN AN AMOUNT BETWEEN 0.02 AND 2.5 PERCENT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |