Patent US2829147A successfully refreshed from Google Patents.
US2829147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of halogenated compounds
Assignee: Velsicol Chemical LLC
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Filing: 1957-01-08
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Granted: 1958-04-01
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Expires: 1977-01-08
Abstract
No abstract record available.
Inventors
- 👤 Hyman M Molotsky
- 👤 Edward G Ballweber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:57
CPC Classifications
C; C07; C07D; C07D311/00; B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/123; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C49/00; C07C49/587; C07C49/703; C07C49/723; C07C49/727; C07C49/733; C07D303/00; C07D303/02; C07D303/08; C07D303/12; C07D303/32
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
47 words
A PROCESS FOR PRODUCING 5,6-EPOXY-1,2,3,4,7,7-HEXACHLOROBICYCLO-(2.2.1)-2-HEPTENE WHICH COMPRISES PASSING GASEOUS OXYGEN THROUGH 1,2,3,4,7,7-HEXACHLOROBICYCLO(2.2.1)-2.5-HEPTADIENE AT A RATE OF AT LEAST 100 CC. PER MINUTE PER MOL OF 1,2,3,4,7,7-HEXACHLOROBICYCLO-(2.2.1)2,5-HEPTADIENE AT A TEMPERATURE BETWEEN ABOUT 30*C. AND ABOUT 155*C. UNDER PRESSURE FROM ABOUT ATMOSPHERIC TO ABOUT 200 POUNDS PER SQUARE INCH.
Claim 2
Dependent Claim
51 words
A PROCESS FOR PRODUCING 1,2,3,4,7,7-HEXACHLORO-5ETO - 6 - HYDROXY-BICYCLO-(2.2.1)-2-HEPTENE WHICH COMPRISES PASSING GASEOUS OXYGEN THROUGH 1,2,3,4,7,7-HEXACHLOROBICYCLO-(2.2.1)-2,5-HEPTADIENE AT A RATE OF AT LEAST 100 CC. PER MINUTE PER MOL OF 1,2,3,4,7,7-HEXACHLOROBICYCLO-(2.2.1)-2,5-HEPTADIENE AT A TEMPERATURE BETWEEN ABOUT 30*C. AND ABOUT 155*C. UNDER PRESSURE FROM ABOUT ATMOSPHERIC TO ABOUT 200 POUNDS PER SQUARE INCH.
Claim 3
Dependent Claim
52 words
A PROCESS FOR PRODUCING 3,4,5,8,8-HEXACHLORO-2 KETO - 3,6 - METHANO-OXACYCLOHEPTENE-4 WHICH COMPRISES PASSING GASEOUS OXYGEN THROUGH 1,2,3,4,7,7-HEXACHLOROBICYCLO-(2.2.1)-2,5-HEPTADIENE AT A RATE OF AT LEAST 100 CC. PER MINUE PER MOL OF 1,2,3,4,7,7-HEXACHLOROBICYCLO(2.2.1)-2,5-HEPTADIENE AT A TEMPERATURE BETWEEN ABOUT 30*C. AND ABOUT 155*C. UNDER PRESSURE FROM ABOUT ATMOSPHERIC TO ABOUT 200 POUNDS PER SQUARE INCH.
Claim 4
Dependent Claim
18 words
AS A NEW COMPOSITION OF MATTER A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1,2,3,4,7,7-HEXACHLORO5-KETO-6-HYDROXY-BICYCLO-(2.2.1)-2-HEPTENE AND 3,4,5,6,88-HEXACHLORO-2-KETO-3,6 METHANO-OXACYCLOHEPTENE-4.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |