Patent US2240070A successfully refreshed from Google Patents.
Patent US2499848A successfully refreshed from Google Patents.
US2499848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of 3,5,5-trimethyl-1-hexanol
Assignee: EIDP Inc
•
Filing: 1947-01-13
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Granted: 1950-03-07
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Expires: 1967-01-13
Abstract
No abstract record available.
Inventors
- 👤 Willard E Catlin
- 👤 Benjamin W Howk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:52
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN ALIPHATIC CARBOXYLIC ACID ESTER OF 3,5,5TRIMETHYL-1-HEXANOL.
Claim 2
Dependent Claim
7 words
AN ALIPHATIC CARBOXYLIC ACID ESTER OF 3,5,5TRIMETHYL-1-HEXANOL.
References Cited (Backward Citations)
US2091241A
Cited
US2417281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |