Patent US2632777A successfully refreshed from Google Patents.
US2632777A
Expired / Lapsed
US
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Production of hydrocarbon conjunct polymers
Assignee: Universal Oil Products Co
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Filing: 1949-01-06
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Granted: 1953-03-24
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Expires: 1969-01-06
Abstract
No abstract record available.
Inventors
- 👤 Pines Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:42
CPC Classifications
C; C08; C08F; C08F232/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR THE PRODUCTION OF POLYOLEFINIC POLYCYCLIC HYDROCARBONS CONTAINING CONJUGATED AND NON-CONJUGATED UNSATURATION WHICH COMPRISES FORMING A REACTION MIXTURE SUBSTANTIALLY FREE OF AROMATIC HYDROCARBONS AND COMPRISING TWO MOLAR PROPORTIONS OF DECAHYDRONAPHTHALENE AND ONE MOLAR PROPORTION OF AN OLEFINIC HYDROCARBON, SUBJECTING SAID MIXTURE OF CONJUNCT POLYMERIZATION IN THE PRESENCE OF A CONJUCT POLYMERIZATION CATALYST AT A TEMPERATURE OF FROM ABOUT 0* TO ABOUT 200* C. TO FORM A CATALYST-HYDROCARBON SLUGE, SEPARATING SAID SLUGE FROM SATURATED HYDROCARBON REACTION PRODUCTS, AND THEREAFTER DECOMPRISING SAID SLUDGE TO RECOVER THEREFROM SAID POLYOLEFINIC, POLYCYCLIC HYDROCARBONS.
Claim 2
Dependent Claim
90 words
A PROCESS FOR THE PRODUCTION OF POLYOLEFINIC POLYCYCLIC HYDROCARBONS CONTAINING CONJUGATED AND NON-CONJUGATED UNSATURATION WHICH COMPRISES FORMING A REACTION MIXTURE SUBSTANTIALLY FREE OF AROMATIC HYDROCARBONS AND COMPRISING TWO MOLAR PROPORTIONS OF DECAHYDRONAPHTHALENE AND ONE MOLAR PROPORTION OF AN OLEFINIC HYDROCARBON, SUBJECTING SAID MIXTURE OF CONJUNCT POLYMERIZATION IN THE PRESENCE OF A CONJUCT POLYMERIZATION CATALYST AT A TEMPERATURE OF FROM ABOUT 0* TO ABOUT 200* C. TO FORM A CATALYST-HYDROCARBON SLUGE, SEPARATING SAID SLUGE FROM SATURATED HYDROCARBON REACTION PRODUCTS, AND THEREAFTER DECOMPRISING SAID SLUDGE TO RECOVER THEREFROM SAID POLYOLEFINIC, POLYCYCLIC HYDROCARBONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |