US2586996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of polymerizable nonpolar substances
Assignee: RCA Corp
•
Filing: 1947-10-30
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Granted: 1952-02-26
•
Expires: 1967-10-30
Abstract
No abstract record available.
Inventors
- 👤 Rosenthal Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:34
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C1/207; C07C1/2078; C07C1/26; C07C1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A METHOD OF PREPARING A VOLATILE NON-POLAR PRODUCT, WHICH IS UNSTABLE IN THE PRESENCE OF HEAT, FROM MATERIALS AT LEAST ONE CONSTITUENT OF WHICH IS POLAR IN NATURE WHICH COMPRISES HEATING THE REACTION MIXTURE BY MEANS OF RADIO-FREQUENCY ENERGY, WHEREBY ONLY SAID POLAR CONSTITUENT IS HEATED TO AN APPRECIABLE EXTENT, TO A TEMPERATURE AT WHICH SAID NON-POLAR PRODUCT IS FORMED AND WHICH IS ABOVE THE VOLATILIZING TEMPERATURE OF SAID PRODUCT, VOLATILIZING SAID NON-PRODUCT AT A PRODUCT AND RAPIDLY CONDENSING SAID PRODUCT AT A REDUCED TEMPERATURE BEFORE SUBSTANTIALLY ANY MOLECULAR MODIFICATION OF THE TYPE COMPRISING POLYMERIZATION CAN OCCUR IN SAID PRODUCT.
Claim 2
Independent Claim
100 words
A METHOD OF PREPARING A VOLATILE NON-POLAR PRODUCT, WHICH IS UNSTABLE IN THE PRESENCE OF HEAT, FROM MATERIALS AT LEAST ONE CONSTITUENT OF WHICH IS POLAR IN NATURE WHICH COMPRISES HEATING THE REACTION MIXTURE BY MEANS OF RADIO-FREQUENCY ENERGY, WHEREBY ONLY SAID POLAR CONSTITUENT IS HEATED TO AN APPRECIABLE EXTENT, TO A TEMPERATURE AT WHICH SAID NON-POLAR PRODUCT IS FORMED AND WHICH IS ABOVE THE VOLATILIZING TEMPERATURE OF SAID PRODUCT, VOLATILIZING SAID NON-PRODUCT AT A PRODUCT AND RAPIDLY CONDENSING SAID PRODUCT AT A REDUCED TEMPERATURE BEFORE SUBSTANTIALLY ANY MOLECULAR MODIFICATION OF THE TYPE COMPRISING POLYMERIZATION CAN OCCUR IN SAID PRODUCT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |