US2930782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of resins
Assignee: Universal Oil Products Co
•
Filing: 1957-09-30
•
Granted: 1960-03-29
•
Expires: 1977-09-30
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:22
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS FOR THE PREPARATION OF A RESIN WHICH COMPRISES REACTING NORBORNADIENE WITH AN OLEFIN SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AND CYCLIC OLEFINS IN THE PRESENCE OF A PEROXY COMPOUND CATALYST, SAID PROCESS BEING CARRIED OUT AT A CONDENSATION TEMPERATURE AT LEAST AS HIGH AS THE DECOMPOSITION TEMPERATURE OF THE CATALYST, AND RECOVERING THE RESULTANT RESIN.
Claim 2
Dependent Claim
58 words
A PROCESS FOR THE PREPARATION OF A RESIN WHICH COMPRISES REACTING NORBORNADIENE WITH AN OLEFIN SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AND CYCLIC OLEFINS IN THE PRESENCE OF A PEROXY COMPOUND CATALYST, SAID PROCESS BEING CARRIED OUT AT A CONDENSATION TEMPERATURE AT LEAST AS HIGH AS THE DECOMPOSITION TEMPERATURE OF THE CATALYST, AND RECOVERING THE RESULTANT 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) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |