Patent US2507100A successfully refreshed from Google Patents.
US2507100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin process
Assignee: Standard Oil Development Co
•
Filing: 1946-04-17
•
Granted: 1950-05-09
•
Expires: 1966-04-17
Abstract
No abstract record available.
Inventors
- 👤 John D Garber
- 👤 William J Sparks
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:34
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN THE PROCESSING OF A FUSIBLE COPOLYMERIC RESIN, PREPARED FROM A MIXTURE CONTAINING FROM 30% TO 80% OF A MULTI-OLEFIN, HAVING FROM 4 TO 14 CARBON ATOMS PER MOLECULE, AND FROM 20% TO 70% OF A MONO-OLEFIN, HAVING FROM 5 TO 20 INCLUSIVE CARBON ATOMS PER MOLECULE, BY THE APPLICATION TO THE MIXTURE OF A FRIEDEL-CRAFTS CATALYST, AT A TEMPERATURE WITHIN THE RANGE BETWEEN +10* C. AND -30*C., THE STEPS IN COMBINATION OF DILUTING THE POLYMERIZED MIXTURE WITH WARM, LIGHT NAPTHA TO VOLATILIZE OUT UNPOLYMERIZED
Claim 2
Dependent Claim
85 words
IN THE PROCESSING OF A FUSIBLE COPOLYMERIC RESIN, PREPARED FROM A MIXTURE CONTAINING FROM 30% TO 80% OF A MULTI-OLEFIN, HAVING FROM 4 TO 14 CARBON ATOMS PER MOLECULE, AND FROM 20% TO 70% OF A MONO-OLEFIN, HAVING FROM 5 TO 20 INCLUSIVE CARBON ATOMS PER MOLECULE, BY THE APPLICATION TO THE MIXTURE OF A FRIEDEL-CRAFTS CATALYST, AT A TEMPERATURE WITHIN THE RANGE BETWEEN +10* C. AND -30*C., THE STEPS IN COMBINATION OF DILUTING THE POLYMERIZED MIXTURE WITH WARM, LIGHT NAPTHA TO VOLATILIZE OUT UNPOLYMERIZED
References Cited (Backward Citations)
US2035233A
Cited
US1982708A
Cited
US2297723A
Cited
US2297722A
Cited
US2297724A
Cited
US2374242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |