US2812347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adduct of hexachlorocyclopentadiene with fumaryl chloride and process for making thesame
Assignee: Occidental Chemical Corp
•
Filing: 1954-08-16
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Granted: 1957-11-05
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Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Jack S Newcomer
- 👤 Robitschek Paul
- 👤 Jr Claude Thomas Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:59
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/74; C07C69/753
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
7 words
THE ADDUCT OF HEXACHLOROCYCLOPENTADIENE WITH FUMARYL CHLORIDE.
Claim 2
Dependent Claim
7 words
THE ADDUCT OF HEXACHLOROCYCLOPENTADIENE WITH FUMARYL CHLORIDE.
Claim 3
Dependent Claim
22 words
THE PROCESS FOR MAKING THE ADDUCT OF HEXACHLOROCYCLOPENTADIENE WITH FUMARYL CHLORIDE WHICH COMPRISES REACTING HEXACHLOROCYCLOPENTADIENE WITH FUMARYL CHLORIDE AT AN ELEVATED TEMPERATURE.
Claim 4
Dependent Claim
22 words
THE PROCESS FOR MAKING THE ADDUCT OF HEXACHLOROCYCLOPENTADIENE WITH FUMARYL CHLORIDE WHICH COMPRISES REACTING HEXACHLOROCYCLOPENTADIENE WITH FUMARYL CHLORIDE AT AN ELEVATED TEMPERATURE.
Claim 5
Dependent Claim
29 words
THE PROCESS OF MAKING ESTER OF 1,4,5,6,7,7,-HEXA CHLOROBICYCLO-(2.2.1) -5-HEPTENE-2,3-DICARBOXYLIC ACID WHICH COMPRISES MIXING THE REACTION PRODUCT OF CLAIM 2 WITH AN ORGANIC ALCOHOL AND EVAPORATIG OFF ANY UNREACTED ALCOHOL..
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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |