US3703469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-foaming rinsing,washing and cleaning compositions
Assignee: Henkel AG and Co KGaA
•
Filing: 1970-12-09
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Granted: 1972-11-21
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Expires: 1990-12-09
Abstract
Abstract LOW-FOAMING RINSING, WASHING AND CLEANING COMPOSITIONS COMPRISING (A) FROM 90% TO 99.9% BY WEIGHT OF AT LEAST ONE COMPOUND HAVING A CLEANING OR COMPLEXING ACTION, AND (B) FROM 0.1% TO 10% BY WEIGHT OF AT LEAST ONE FOAM-INHIBITING COMPOUND OF THE FORMULA I 2-(R1-C(-R2)=),3-R2,3-R4,4-(O=)OXETANE AND ITS SAPONIFICATION PRODUCT OF THE FORMULA II R1-CH(-R3)-CO-C(-R4)(-R2)-COO-X WHEREIN R1 AND R2 REPRESENT HYDROCARBON RADICALS WITH 8 TO 30 CARBON ATOMS AND R3 AND R4 REPRESENT HYDROGEN OR HYDROCARBON RADICALS WITH 1 TO 30 CARBON ATOMS, AND X REPRESENTS A CATION.
Inventors
- 👤 Werner Stein
- 👤 Klaus Flory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:26
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0026; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C11D1/00; C11D1/02; C11D1/04; C11D3/16; C11D3/20; C11D3/2096
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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |