Patent US2941934A successfully refreshed from Google Patents.
US2941934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization by temperature controlled irradiation
Assignee: GAF Chemicals Corp
•
Filing: 1957-01-16
•
Granted: 1960-06-21
•
Expires: 1977-01-16
Abstract
No abstract record available.
Inventors
- 👤 Harry D Anspon
- 👤 Frank E Pschorr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A POLYMERIZING PROCESS COMPRISING THE STEPS IN COMBINATION OF APPLYING A POLYMERIZING RADIATION COMPRISING AN ELECTRICALLY ENERGIZED SOURCE OF RADIATION TO A POLYMERIZABLE MONOMER, MEASURING THE POLYMERIZATION REACTION TEMPERATURE OF THE POLYMERIZING MONOMER, POSITIVELY SHUTTING OFF THE RADIATION WHEN THE TEMPERATURE REACHES AN UNDESIRABLY HIGH VALUE AND TURNING ON THE RADIATION WHEN THE TEMPERATURE HAS FALLEN TO A SAFE VALUE.
Claim 2
Dependent Claim
60 words
A POLYMERIZING PROCESS COMPRISING THE STEPS IN COMBINATION OF APPLYING A POLYMERIZING RADIATION COMPRISING AN ELECTRICALLY ENERGIZED SOURCE OF RADIATION TO A POLYMERIZABLE MONOMER, MEASURING THE POLYMERIZATION REACTION TEMPERATURE OF THE POLYMERIZING MONOMER, POSITIVELY SHUTTING OFF THE RADIATION WHEN THE TEMPERATURE REACHES AN UNDESIRABLY HIGH VALUE AND TURNING ON THE RADIATION WHEN THE TEMPERATURE HAS FALLEN TO A SAFE VALUE.
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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |