US3062898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of 1, 2, 3, 4, 5, 6, 7, 7-octachloro-2-methylbicyclo-(2.2.1)-heptene-5
Assignee: Hooker Chemical Corp
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Filing: 1959-05-08
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Granted: 1962-11-06
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Expires: 1979-05-08
Abstract
No abstract record available.
Inventors
- 👤 Paul E Hoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:09
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/27; C07C23/30; C07C17/00; C07C17/013; C07C17/04; C07C17/26; C07C17/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
THE PROCESS FOR PREPARING 1,2,3,4,5,6,7,7-OCTACHLORO2-METHYLBICYCLO-(2,2,1)-HEPTENE-5 WHICH COMPRISES REACTING HEXACHLOROCYCLOPENTADIENE WITH METHYL ACETYLENE TO YIELD 1,4,5,6,7,7-HEXACHLORO-2-METHYLBICYCLO-(2.2.1)HEPTADIENE-2,5, AND CHLORINATING THE RESULTING HEPTADIENE TO YIELD 1,2,3,4,5,6,7,7- OCTACHLORO -2- METHYLBICYCLO(2.2.1)-HEPTENE-5.
Claim 2
Dependent Claim
26 words
THE PROCESS FOR PREPARING 1,2,3,4,5,6,7,7-OCTACHLORO2-METHYLBICYCLO-(2,2,1)-HEPTENE-5 WHICH COMPRISES REACTING HEXACHLOROCYCLOPENTADIENE WITH METHYL ACETYLENE TO YIELD 1,4,5,6,7,7-HEXACHLORO-2-METHYLBICYCLO-(2.2.1)HEPTADIENE-2,5, AND CHLORINATING THE RESULTING HEPTADIENE TO YIELD 1,2,3,4,5,6,7,7- OCTACHLORO -2- METHYLBICYCLO(2.2.1)-HEPTENE-5.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |