US2974154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing salt-free n-acyl taurines
Assignee: GAF Chemicals Corp
•
Filing: 1958-12-30
•
Granted: 1961-03-07
•
Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 Leslie M Schenck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:39
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/02; C07C309/03; C07C309/13; C07C309/14; C07C309/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PROCESS COMPRISING ADDING TO AN AQUEOUS SLURRY CONTAINING (A) AN N-HIGHER ACYL TAURINE OF THE FORMULA
Claim 2
Dependent Claim
17 words
A PROCESS COMPRISING ADDING TO AN AQUEOUS SLURRY CONTAINING (A) AN N-HIGHER ACYL TAURINE OF THE FORMULA
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) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |