US3277202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free radical process
Assignee: Shell USA Inc
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Filing: 1963-10-04
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Granted: 1966-10-04
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert L Benson
- 👤 Dvoretzky Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:46
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/207; C07C5/00; C07C5/42; C07C5/50; C07C5/52; C07C6/00; C07C2531/00; C07C2531/02; Y; Y10; Y10S; Y10S204/00; Y10S204/90; Y10S585/00; Y10S585/929; Y10S585/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
THE PROCESS FOR THE MODIFICATION OF FREE RADICAL REACTIVITY IN HYDROCARBON SOLUTION BY BRINGING INTO INTIMATE CONTACT ALKYL FREE RADICALS AND ACATALYTIC AMOUNT OF A HYDROCARBON-SOLUBLE TRANSITION METAL SALT OF A HYDROCARBON-SOLUBLE HYDROCARBYL PARTIAL ESTER OF PHOSPHORIC ACID.
Claim 2
Dependent Claim
38 words
THE PROCESS FOR THE MODIFICATION OF FREE RADICAL REACTIVITY IN HYDROCARBON SOLUTION BY BRINGING INTO INTIMATE CONTACT ALKYL FREE RADICALS AND ACATALYTIC AMOUNT OF A HYDROCARBON-SOLUBLE TRANSITION METAL SALT OF A HYDROCARBON-SOLUBLE HYDROCARBYL PARTIAL ESTER OF PHOSPHORIC ACID.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |