US2963487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozonolysis of norbornylenes
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-09-26
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Granted: 1960-12-06
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Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert H Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:00
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A PROCESS WHICH COMPRISES OZONIZING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NORBORNYLENE AND NORBONYLENES SUBSTITUTED ON THE NORBORNYLENE NUCLEUS WITH C1 TO C4 ALKYL GROUPS IN SOLUTON IN AN OZONE INERT SOLVENT AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT -75* TO ABOUT +25*C., WHEREBY A SOLVENT SOLUBLE OZONOLYSIS PRODUCT IS OBTAINED, INSOLUBILIZING SAID OZONOLYSIS PRODUCT TO PROVIDE A NONEXPLOSIVE, WHITE, ODORLESS, SOLID, SOLVENT INSOLUBLE POLYMERIC OZONIDE IS SUSPENSION POLYMERIC,OZONIDE, OXIDIZING SAID OZONIDE IN SUSPENSION IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATER AND ACETIC ACID WITH MOLECULAR OXYGEN IN THE PRESENCE OF A CATALYTIC AMOUNT OF OZONE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 50* TO 100*C. FOR A PERIOD OF TIME WITHIN THE RANGE OF ABOUT 2 TO 10 HOURS TO THEREBY SUBSTANTIALLY SELECTIVELY CONVERT SAID OZONIDE TO THE CORRESPONDING CIS-1,3-CYCLOPENTANE DICARBOXYLIC ACID AND RECOVERING SAID DICARBOXYLIC ACID.
Claim 2
Dependent Claim
146 words
A PROCESS WHICH COMPRISES OZONIZING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NORBORNYLENE AND NORBONYLENES SUBSTITUTED ON THE NORBORNYLENE NUCLEUS WITH C1 TO C4 ALKYL GROUPS IN SOLUTON IN AN OZONE INERT SOLVENT AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT -75* TO ABOUT +25*C., WHEREBY A SOLVENT SOLUBLE OZONOLYSIS PRODUCT IS OBTAINED, INSOLUBILIZING SAID OZONOLYSIS PRODUCT TO PROVIDE A NONEXPLOSIVE, WHITE, ODORLESS, SOLID, SOLVENT INSOLUBLE POLYMERIC OZONIDE IS SUSPENSION POLYMERIC,OZONIDE, OXIDIZING SAID OZONIDE IN SUSPENSION IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATER AND ACETIC ACID WITH MOLECULAR OXYGEN IN THE PRESENCE OF A CATALYTIC AMOUNT OF OZONE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 50* TO 100*C. FOR A PERIOD OF TIME WITHIN THE RANGE OF ABOUT 2 TO 10 HOURS TO THEREBY SUBSTANTIALLY SELECTIVELY CONVERT SAID OZONIDE TO THE CORRESPONDING CIS-1,3-CYCLOPENTANE DICARBOXYLIC ACID AND RECOVERING SAID DICARBOXYLIC ACID.
References Cited (Backward Citations)
US2750411A
Cited
US2848490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |