US3798169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for application of soil-release finish
Assignee: Colgate Palmolive Co
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Filing: 1972-04-28
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Granted: 1974-03-19
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Expires: 1992-04-28
Abstract
Abstract A COMPOSITION FOR APPLYING A NON-PERMANENT SOILRELEASE FINISH TO FABRICS FROM DILUTE SOLUTION COMPRISING A POLYCARRBOXYLATE POLYMER HAVING AN ACID EQUIVALENT WEIGHT O FROM ABOUT 110 TO 175, AAND A WATER-SOLUBLE SALT OF A POLYVALENT METAL. A PREFERRED POLYCARBOXYLATE POLYRELEASE FINISH TO FABRICS FROM DILUTE SOLUTION COMPRISING MER IS A COPOLYMER OF 2/3 METHACRYLIC ACID AND 1/3 ETHYLACRYLATE. THE COMPOSITION IS PARTICULARLY USEFUL FOR APPLYING A SOIL-RELEASE FINISH IN THE RINSE CYCLE OF A HOME LAUNDRY PROCESS.
Inventors
- 👤 R Dickson
- 👤 S Barkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:23
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/267; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/1411; C11; C11D; C11D3/00; C11D3/0005; C11D3/0036; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3765; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2279
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |