US3192218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimerization of styrene and vinyl pyridines in the presence of atomic hydrogen
Assignee: Phillips Petroleum Co
•
Filing: 1960-11-01
•
Granted: 1965-06-29
•
Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Paul W Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:10
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/74; Y; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/904; Y10S376/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PROCESS OF SELECTIVELY DIMERIZING VINYL COMPOUNDS WHICH COMPRISES REACTING IN LIQUID PHASE AT A TEMPERATURE IN THE RANGE OF ABOUT -60*C. TO ABOUT +60*C. WITH ATOMIC HYDROGEN A LIQUID COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
37 words
A PROCESS OF SELECTIVELY DIMERIZING VINYL COMPOUNDS WHICH COMPRISES REACTING IN LIQUID PHASE AT A TEMPERATURE IN THE RANGE OF ABOUT -60*C. TO ABOUT +60*C. WITH ATOMIC HYDROGEN A LIQUID COMPOUND SELECTED FROM THE GROUP CONSISTING OF
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |