US3074866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irradiated polymers
Assignee: Individual
•
Filing: 1958-01-06
•
Granted: 1963-01-22
•
Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:59
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0478; C07; C07C; C07C51/00; C07C51/09; C08F283/00; C08F283/02; Y; Y10; Y10S; Y10S525/00; Y10S525/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR PRODUCING IMPROVED POLYESTER RESIN COMPOSITIONS COMPRISING THE TREATMENT OF A LINEAR, SATURATED ALIPHATIC POLYESTER HAVING POLYESTER GROUPS IN THE LINEAR POLYMER CHAINS THEREOF AN HAVING AT LEAST TWO CARBON ATOMS BETWEEN ESTER GROUPS IN THE POLYMER MOLECULE WITH AT LEAST ABOUT 2 MEGAREPS. OF HIGH ENERGY, IONIZING RADIATION EQUIVALENT TO AT LEAST 100,000 ELECTRON VOLTS WHILE SAID POLYESTER IS IN INTIMATE AND SUBSTANTIALLY UNIFORM MIXTURE WITH AT LEAST 0.1 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF POLYESTER RESIN IF A POLYUNSATURATED COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
89 words
A PROCESS FOR PRODUCING IMPROVED POLYESTER RESIN COMPOSITIONS COMPRISING THE TREATMENT OF A LINEAR, SATURATED ALIPHATIC POLYESTER HAVING POLYESTER GROUPS IN THE LINEAR POLYMER CHAINS THEREOF AN HAVING AT LEAST TWO CARBON ATOMS BETWEEN ESTER GROUPS IN THE POLYMER MOLECULE WITH AT LEAST ABOUT 2 MEGAREPS. OF HIGH ENERGY, IONIZING RADIATION EQUIVALENT TO AT LEAST 100,000 ELECTRON VOLTS WHILE SAID POLYESTER IS IN INTIMATE AND SUBSTANTIALLY UNIFORM MIXTURE WITH AT LEAST 0.1 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF POLYESTER RESIN IF A POLYUNSATURATED COMPOUND OF THE FORMULA
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |