US2941952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry-cleaning detergent composition
Assignee: Monsanto Chemicals Ltd
•
Filing: 1956-12-03
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Granted: 1960-06-21
•
Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 John T Lewis
- 👤 Lloyd E Weeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:43
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D1/002; C11D1/29; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/225; D; D06; D06L; D06L1/00; D06L1/02; D06L1/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A DRY-CLEANING DETERGENT COMPOSITION FOR FABRICS WHICH COMPRISES FROM 93% TO 99.75* BY WEIGHT OF A VOLATILE, ORGANIC LIQUID OF THE DRY-CLEANING TYPE, AND FROM 0.25% TO 7% BY WEIGHT OF A COMBINATION COMPRISED OF FROM 70% TO 97% BY WEIGHT OF A CONDENSATION PRODUCT OF A HYDROXYL-CONTAINING ORGANIC COMPOUND HAVING FORM 8 TO 18 CARBON ATOMS CONDENSED WITH FROM 2 TO 8 MOLES OF AN ALKLYLENE OXIDE HAVING FROM 2 TO 3 CARBON ATOMS TOGETHER WITH FROM 3% TO 30% BY WEIGHT OF AN ALKALINE SALT OF THE SULFATE OF A CONDENSATION PRODUCT OF A HYDROXYL-CONTAINING ORGANIC COMPOUND HAVING FROM 8 TO 18 CARBON ATOMS CONDENSED WITH FROM 2 TO 8 MOLES OF AN ALKLENE OXIDE HAVING FROM 2 TO 3 CARBON ATOMS.
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |