US2989547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing detergent compositions
Assignee: Procter and Gamble Co
•
Filing: 1956-12-10
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Granted: 1961-06-20
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 David D Whyte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:51
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/04; C07C303/10; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A MIXTURE OF SUBSTANTIALLY INORGANIC-SALT-FREE GLYCIDYL ETHERS CONTAINING AT LEAST 10% AND NOT MORE THAN ABOUT 30% BY WEIGHT OF GLYCIDYL ETHERS OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |