Patent US281288A successfully refreshed from Google Patents.
Patent US3007977A successfully refreshed from Google Patents.
US3007977A
Expired / Lapsed
US
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Manufacture of norbornylene
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-09-09
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Granted: 1961-11-07
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Expires: 1978-09-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Hill
- 👤 Daniel S Maisel
- 👤 Donald W Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:43
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/02; C07C13/08; C07C13/15; C07C2/00; C07C2/02; C07C2/50; C07C2602/00; C07C2602/36; C07C2602/42; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/952; Y10S585/954; Y10S585/956
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A PROCESS FOR THE PRODUCTION OF A NORBORNYLENE WHEREIN A CYCLOPENTADIENE IS REACTED IN A REACTION ZONE WITH ETHYLENE AT ELEVATED TEMPERTURE AND PRESSURE, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT THE REACTION IN THE PRESENCE OF CYCLOPENTADIENE DIMER WHILE AT LEAST PARTIALLY CONTROLLING AND MAINTAINING THE REACTION TEMPERATURE BY ADJUSTING THE MOLAR RATIO OF CYCLOPENTADIENE MONOMER TO CYCLOPENTADIENE DIMER IN THE FEED TO THE REACTION ZONE.
Claim 2
Dependent Claim
67 words
IN A PROCESS FOR THE PRODUCTION OF A NORBORNYLENE WHEREIN A CYCLOPENTADIENE IS REACTED IN A REACTION ZONE WITH ETHYLENE AT ELEVATED TEMPERTURE AND PRESSURE, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT THE REACTION IN THE PRESENCE OF CYCLOPENTADIENE DIMER WHILE AT LEAST PARTIALLY CONTROLLING AND MAINTAINING THE REACTION TEMPERATURE BY ADJUSTING THE MOLAR RATIO OF CYCLOPENTADIENE MONOMER TO CYCLOPENTADIENE DIMER IN THE FEED TO THE REACTION ZONE.
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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |