US3105801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for polymerizing unsaturated aldehydes using ionizing radiation and resulting polymers
Assignee: Shell USA Inc
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Filing: 1960-10-21
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Granted: 1963-10-01
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Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Edward R Bell
- 👤 Vincent A Capanile
- 👤 Bergman Elliot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:16
CPC Classifications
C; C08; C08G; C08G2/00; C08G2/02; C08G2/14; C08G2/18; C08G2/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PROCESS FOR POLYMERIZING ETHYLENICALLY UNSATURATED ALDEHYDES TO FORM HIGH MOLECULAR WEIGHT POLYMERS WHICH COMPRISES EXPOSING AN AQUEOUS MEDIUM CONTAINING FROM .001% TO 20% ACID AND THE UNSATURATED ALDEHYDE TO 105 TO 103 RADA OF HIGH ENERGY IONIZING RADIATION.
Claim 2
Dependent Claim
39 words
A PROCESS FOR POLYMERIZING ETHYLENICALLY UNSATURATED ALDEHYDES TO FORM HIGH MOLECULAR WEIGHT POLYMERS WHICH COMPRISES EXPOSING AN AQUEOUS MEDIUM CONTAINING FROM .001% TO 20% ACID AND THE UNSATURATED ALDEHYDE TO 105 TO 103 RADA OF HIGH ENERGY IONIZING RADIATION.
References Cited (Backward Citations)
US2326736A
Cited
US2657192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |