US3098099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ester-ketone conversion
Assignee: Union Carbide Corp
•
Filing: 1960-04-19
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Granted: 1963-07-16
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Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Louis B Conte
- 👤 Francis N Apel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:49
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/51; C07C45/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
METHOF FOR CONVERTING ESTERS OF PHENOLS INTO PHENOLIC KETONES WHICH COMPRISES CONTACTING A SOLUTION IN AN INERT LIQUID ORGANIC SOLVENT OF AN ESTER OF A PHENOL WHICH HAS THE FORMULA
Claim 2
Dependent Claim
30 words
METHOF FOR CONVERTING ESTERS OF PHENOLS INTO PHENOLIC KETONES WHICH COMPRISES CONTACTING A SOLUTION IN AN INERT LIQUID ORGANIC SOLVENT OF AN ESTER OF A PHENOL WHICH HAS THE FORMULA
References Cited (Backward Citations)
GB287967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |