US3032491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irradiation of cyclohexadienones
Assignee: Polaroid Corp
•
Filing: 1959-07-22
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Granted: 1962-05-01
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Expires: 1979-07-22
Abstract
No abstract record available.
Inventors
- 👤 Derek H R Barton
- 👤 Quinkert Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:40
CPC Classifications
G; G03; G03C; G03C8/00; B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/123; C; C07; C07C; C07C51/00; C07C51/16; Y; Y10; Y10S; Y10S204/00; Y10S204/902; Y10S204/911; Y10S204/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
THE PROCESS WHICH COMPRISES IRRADIATING A CYCLOHEXADIENONE OF THE FORMULA
Claim 2
Dependent Claim
10 words
THE PROCESS WHICH COMPRISES IRRADIATING A CYCLOHEXADIENONE OF THE 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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |