Patent US2654772A successfully refreshed from Google Patents.
US2654772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(1, 3, 3-trimethylbutyl)-5, 7, 7-trimethyl octanol-1-sulfate
Assignee: EIDP Inc
•
Filing: 1950-05-06
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Granted: 1953-10-06
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Expires: 1970-05-06
Abstract
No abstract record available.
Inventors
- 👤 Albert A Pavlic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:45
CPC Classifications
C; C07; C07C; C07C305/00; C07C305/02; C07C305/04; C07C305/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A 2-(1,3,3-TRIMETHYLBUTYL) - 5,7,7-TRIMETHYLOCTANOL-1 SULFATE.
Claim 2
Dependent Claim
5 words
A 2-(1,3,3-TRIMETHYLBUTYL) - 5,7,7-TRIMETHYLOCTANOL-1 SULFATE.
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) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |