US2993918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel compositions of matter and methods for preparing them
Assignee: JOHN J MCCABE JR
•
Filing: 1956-12-19
•
Granted: 1961-07-25
•
Expires: 1976-12-19
Abstract
No abstract record available.
Inventors
- 👤 Hans S Mannheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:54
CPC Classifications
C; C07; C07C; C07C237/00; C07C309/00; C07C309/01; C07C309/02; C07C309/03; C07C309/13; C07C309/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF SALTS OF DETERGENT SULFONIC ACIDS AND DETERGENT SULFATES RESPECTIVELY AND AN AMPHOTERIC SURFACE ACTIVE AGENT, SAID COMPOUND HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
29 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF SALTS OF DETERGENT SULFONIC ACIDS AND DETERGENT SULFATES RESPECTIVELY AND AN AMPHOTERIC SURFACE ACTIVE AGENT, SAID COMPOUND HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US2103872A
Cited
US2500107A
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US2717842A
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US2781357A
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US2773068A
Cited
US2781382A
Cited
US2781383A
Cited
US2781384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |