US3332978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfate esters of hindered alcohols
Assignee: Eastman Kodak Co
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Filing: 1963-10-17
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Granted: 1967-07-25
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Expires: 1983-10-17
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:48
CPC Classifications
C; C07; C07C; C07C305/00; C07C305/02; C07C305/12; C10; C10M; C10M3/00; C07C2601/00; C07C2601/12; C07C2601/14; C07C2602/00; C07C2602/36; C07C2602/42; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/08; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S516/905; Y10S516/909; Y10S516/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
SULFATE AND ACID SULFATE ESTERS OF CYCLIC NEOPENTYL ALCOHOLS SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FOLLOWING STRUCTURAL FORMUALE
Claim 2
Dependent Claim
21 words
SULFATE AND ACID SULFATE ESTERS OF CYCLIC NEOPENTYL ALCOHOLS SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FOLLOWING STRUCTURAL FORMUALE
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |