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US3764477A
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Resin bound protein like active agents prepared by reacting a proteinwith a water insoluble polymer of acrylic or methacrylic acid anhydride
Assignee: ROHM GmbH DT
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Filing: 1971-05-12
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Granted: 1973-10-09
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Expires: 1991-05-12
Abstract
Abstract A WATER-INSOLUBLE BIOLOGICALLY-ACTIVE MATERIAL COMPRISING A PROTEINACEOUS BIOLOGICALLY-ACTIVE AGENT COVALENTLY BOUND TO A WATER-INSOLULBE POLYMER OF ACRYLIC ANHYDRIDE OR METHACRYLIC ANHYDRIDE. METHOD FOR MAKING SAID MATERIAL BY CONTACTING SAID BIOLOGICALLY-ACTIVE AGENT AND POLYMER.
Inventors
- 👤 K Lehmann
- 👤 A Conte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:17
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/395; A61K39/44; A61K38/00; A61K38/04; A61K38/08; A61K38/085; A61K38/16; A61K38/17; A61K38/22; A61K38/28; A61K38/43; A61K38/46; A61K38/465; A61K38/48; A61K38/482; A61K38/4826; A61K38/55; A61K38/57; C; C07; C07K; C07K14/00; C07K14/435; C07K14/575; C07K14/62; C08; C08F; C08F8/00; C12; C12N; C12N11/00; C12N11/02; C12N11/08; C12N11/082; C12N11/087; C12N11/089; Y; Y10; Y10S; Y10S530/00; Y10S530/81; Y10S530/812; Y10S530/815
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |