US3090808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of halo-substituted carbonylic compounds
Assignee: Shell USA Inc
•
Filing: 1957-02-15
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Granted: 1963-05-21
•
Expires: 1977-02-15
Abstract
No abstract record available.
Inventors
- 👤 Morris S Kharasch
- 👤 Nudenberg Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:10
CPC Classifications
C; C07; C07C; C07C51/00; C07C317/00; C07C317/44; C07C51/347; C07C51/377; C07C57/00; C07C57/02; C07C57/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR PRODUCING OMEGA-HALOGENATED ALIPHATIC CARBOXYLIC ACIDS WHICH COMPRISES REACTING (1) CYCLOHEXYL PEROXIDE, (2) A GEMINATE ORGANIC POLYHALIDE OF 1 TO 2 CARBON ATOMS HAVING AT LEAST ONE BROMINE, THE REMAINING HALOGENS BEING SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE, (3) A REDOX REDUCING AGENT AND (4) A MINERAL ACID.
Claim 2
Dependent Claim
53 words
A PROCESS FOR PRODUCING OMEGA-HALOGENATED ALIPHATIC CARBOXYLIC ACIDS WHICH COMPRISES REACTING (1) CYCLOHEXYL PEROXIDE, (2) A GEMINATE ORGANIC POLYHALIDE OF 1 TO 2 CARBON ATOMS HAVING AT LEAST ONE BROMINE, THE REMAINING HALOGENS BEING SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE, (3) A REDOX REDUCING AGENT AND (4) A MINERAL ACID.
References Cited (Backward Citations)
US2938918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |