US2770613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel petroleum resin process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-07-02
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Granted: 1956-11-13
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Expires: 1973-07-02
Abstract
No abstract record available.
Inventors
- 👤 Bruce R Tegge
- 👤 Fred W Banes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:31
CPC Classifications
C; C08; C08F; C08F240/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
AN IMPROVED PROCESS FOR MAKING HYDROCARBON RESINS WHICH COMPRISES THE STEPS OF POLYMERIZING A C5 PLUS UNSATURATED HYDROCARBON STREAM BOILING UP TO 280* C. WITH A FLUID ALUMINUM CHLORIDE CATALYST, CONTACTING IN PRESENCE OF THE REMAINING ACTIVE CATALYST THE RESULTING REACTANT MIXTURE WITH WATER IN LIQUID PHASE AT ABOUT 100-200* C. AND SUBJECTING THE HYDROLYZED MIXTURE TO STRIPPING TO RECOVER AN UNREACTED HYDROCARBON FRACTION AND A LIGHT-COLORED, LOW ASH RESIN.
Claim 2
Dependent Claim
70 words
AN IMPROVED PROCESS FOR MAKING HYDROCARBON RESINS WHICH COMPRISES THE STEPS OF POLYMERIZING A C5 PLUS UNSATURATED HYDROCARBON STREAM BOILING UP TO 280* C. WITH A FLUID ALUMINUM CHLORIDE CATALYST, CONTACTING IN PRESENCE OF THE REMAINING ACTIVE CATALYST THE RESULTING REACTANT MIXTURE WITH WATER IN LIQUID PHASE AT ABOUT 100-200* C. AND SUBJECTING THE HYDROLYZED MIXTURE TO STRIPPING TO RECOVER AN UNREACTED HYDROCARBON FRACTION AND A LIGHT-COLORED, LOW ASH RESIN.
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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |