US2705703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for raising the softening point of hydrocarbon resins
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1951-11-01
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Granted: 1955-04-05
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Expires: 1971-11-01
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Mckay
- 👤 Donald F Koenecke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
C; C08; C08L; C08L57/00; C08L57/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR RAISING THE SOFTENING POINT OF A PETROLEUM CRACKED DISTILLATE RESINS WHICH COMPRISES MIXING 100 PARTS OF THE RESIN WITH AT LEAST 5 PARTS OF AN OILY DIOLEFIN HYDROCARBON POLYMER AND HEATING THE MIXTURE AT A TEMPERATURE OF BETWEEN 240* AND 280* C.
Claim 2
Dependent Claim
45 words
A PROCESS FOR RAISING THE SOFTENING POINT OF A PETROLEUM CRACKED DISTILLATE RESINS WHICH COMPRISES MIXING 100 PARTS OF THE RESIN WITH AT LEAST 5 PARTS OF AN OILY DIOLEFIN HYDROCARBON POLYMER AND HEATING THE MIXTURE AT A TEMPERATURE OF BETWEEN 240* AND 280* C.
References Cited (Backward Citations)
US2252333A
Cited
US2380456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |