US3098093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of esters by alcoholysis
Assignee: Eastman Kodak Co
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Filing: 1961-02-06
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Granted: 1963-07-16
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Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 Jr Howard N Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:27
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C69/22; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
IN THE METHOD FOR THE CONTINUOUS PRODUCTION OF AN ESTER PRODUCT, THE STEPS WHICH COMPRISE (1) CONTINUOUSLY INTRODUCING INTO A REACTION VESSEL CONTAINING A REFLUXING MIXTURE SUBSTANTIALLY STOICHIOMETRIC AMOUNTS OF (A) ISOBUTYL ISOBUTYRATE AND (B) AN ALCOHOL HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
41 words
IN THE METHOD FOR THE CONTINUOUS PRODUCTION OF AN ESTER PRODUCT, THE STEPS WHICH COMPRISE (1) CONTINUOUSLY INTRODUCING INTO A REACTION VESSEL CONTAINING A REFLUXING MIXTURE SUBSTANTIALLY STOICHIOMETRIC AMOUNTS OF (A) ISOBUTYL ISOBUTYRATE AND (B) AN ALCOHOL HAVING THE STRUCTURAL FORMULA
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) | 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 |