US3560392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions containing enzyme-stabilizing collagen-derived proteins
Assignee: Procter and Gamble Co
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Filing: 1968-08-27
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Granted: 1971-02-02
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Expires: 1988-08-27
Abstract
Abstract GRANULAR DETERGENT COMPOSITIONS CONTAINING A MIXTURE OF ORGANIC DETERGENT AND AN ALKALINE BUILDER SALT IN A WEIGHT RATIO OF BUILDER SALT TO ORGANIC DETERGENT OF ABOUT 30:1 TO ABOUT 1:4; A PROTEOLYTIC ENZYME CHARACTERIZED BY ENZYMATIC ACTIVIVTY IN THE PH RANGE OF FROM ABOUT TO ABOUT 12 AT A TEMPERATURE OF ABOUT 50*F. TO ABOUT 200*F.; AND A STABILIZING AMOUNT OF A PROTENACEOUS PARTIALLY HYDROLYZED AND PARTIALLY SOLUBILIZED COLLAGEN, SAID PARTIALLY HYDROLYZED AND PARTIALLY SOLUBILIZED COLLAGEN HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 5,000 TO ABOUT 250,000.
Inventors
- 👤 Jean-Pierre D B Eymery
- 👤 Harold H Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:06
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/5152; H02M7/5155; C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38609
Claims Analysis
Total Claims: 0
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |