Patent US2548494A successfully refreshed from Google Patents.
US2548494A
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Esters of trimethyladipic acid
Assignee: Standard Oil Development Co
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Filing: 1948-08-03
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Granted: 1951-04-10
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Expires: 1968-08-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:43
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07C; C07C323/00; C07C51/00; C07C51/16; C07C51/31; C07C51/316; C07C69/00; C07C69/34; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2221/00; C10M2221/04; C10M2221/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AS A NEW COMPOSITION OF MATTER A FULLY ESTERIFIED TRIMETHYLADIPIC ACID, FORMED BY ESTERIFYING TRIMETHYLADIPIC ACID WITH AT LEAST ONE MONOHYDRIC ALIPHATIC ALCOHOL OF THE GENERAL FORMULA
Claim 2
Dependent Claim
27 words
AS A NEW COMPOSITION OF MATTER A FULLY ESTERIFIED TRIMETHYLADIPIC ACID, FORMED BY ESTERIFYING TRIMETHYLADIPIC ACID WITH AT LEAST ONE MONOHYDRIC ALIPHATIC ALCOHOL OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2448259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |