US3156709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation process
Assignee: EIDP Inc
•
Filing: 1962-03-06
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Granted: 1964-11-10
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Expires: 1982-03-06
Abstract
No abstract record available.
Inventors
- 👤 Allan George Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:56
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/48; B; B01; B01J; B01J31/00; B01J31/02; B01J31/06; B01J31/08; B01J31/16; B01J31/165; B01J31/1658; B01J31/18; B01J31/1805; B01J31/181; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2243; C07C; C07C29/00; C07C29/03; C07C51/00; C07C51/16; C07C51/285; C07D301/00; C07D301/02; C07D301/03; C07D301/12; B01J2231/00; B01J2231/70; B01J2231/72; B01J2531/00; B01J2531/30; B01J2531/39; B01J2531/50; B01J2531/56; B01J2531/57; B01J2531/60; B01J2531/64; B01J2531/66; B01J2531/80; B01J2531/82; B01J2531/825; B01J31/0234; B01J31/0235; B01J31/0239
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN A PROCESS FOR THE LIQUID PHASE OXIDATION OF A WATER-SOLUBLE ETHYENIC COMPOUND HAVIN G AN ELECTRONEGATIVELY SUBSTITUTED DOUBLE BND WITH HYDROGEN PEROXIDE IN TH PRESENCE OF A METAL COMPOUND CATALYST FOR THE OXIDATION, THE IMPROVEMENT COMPRISING EMPLOYING AS THE CATALYST AN ORGANOMETALLIC COMPOUND WHICH IS INSOLUBLE IN THE REACTION MIXTURE AND MECHANICALLY SEPARATING SAID ORGANOMETALLIC COMPOUND FROM SAID MIXTURE AFTER COMPLETION OF THE OXIDATION.
Claim 2
Dependent Claim
65 words
IN A PROCESS FOR THE LIQUID PHASE OXIDATION OF A WATER-SOLUBLE ETHYENIC COMPOUND HAVIN G AN ELECTRONEGATIVELY SUBSTITUTED DOUBLE BND WITH HYDROGEN PEROXIDE IN TH PRESENCE OF A METAL COMPOUND CATALYST FOR THE OXIDATION, THE IMPROVEMENT COMPRISING EMPLOYING AS THE CATALYST AN ORGANOMETALLIC COMPOUND WHICH IS INSOLUBLE IN THE REACTION MIXTURE AND MECHANICALLY SEPARATING SAID ORGANOMETALLIC COMPOUND FROM SAID MIXTURE AFTER COMPLETION OF THE OXIDATION.
References Cited (Backward Citations)
US2772296A
Cited
GB754359A
Cited
US2919283A
Cited
US2833787A
Cited
GB837464A
Cited
US2972595A
Cited
US2999868A
Cited
US3095427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |