Patent US3733400A successfully refreshed from Google Patents.
US3733400A
Expired / Lapsed
US
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Digestive tract protecting compositions
Assignee: Sanofi Aventis France
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Filing: 1971-01-26
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Granted: 1973-05-15
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Expires: 1991-01-26
Abstract
Abstract DIGESTIVE TRACT PROTECTING COMPOSITIONS CONTAINING AS THE ACTIVE INGREDIENT AT LEAST ONE POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF ACRYLAMIDE AND METHACRYLAMIDE, COPOLYMERS OF ACRYLAMIDE AND ACRYLIC ACID AND COPOLYMERS OF METHACRYLAMIDE AND METHACRYLIC ACID AND TO METHODS OF TREATING OR PREVENTING ULCERS OR INFLAMMATION OF LARGE INTESTINE IN WARM-BLOODED ANIMALS.
Inventors
- 👤 A Queuille
- 👤 R Fournex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:20
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/24; A61K33/245; A61K31/00; A61K31/74; A61K31/785
Claims Analysis
Total Claims: 0
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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) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |