US2634258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the polymerization of unsaturated organic materials
Assignee: Goodrich Corp
•
Filing: 1950-07-14
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Granted: 1953-04-07
•
Expires: 1970-07-14
Abstract
No abstract record available.
Inventors
- 👤 William D Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:30
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10S; Y10S526/00; Y10S526/911; Y10S526/915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE PROCESS WHICH COMPRISES POLYMERIZING A MONOMERIC MATERIAL COMPRISING A BUTADIENE1,3 HYDROCARBON IN AQUEOUS EMULSION AT A PH OF 9.5 TO 11.5 AND A TEMPERATURE FROM -30 TO +30* C. IN THE PRESENCE OF A CATALYST CONSISTING OF 0.01 TO ABOUT 2.0 PERCENT OF FERROUS GLUCONATE REDUCTANT AND 0.10 AND 2.0 PERCENT OF AN ORGANIC PEROXIDE OXIDANT, SAID REDUCTANT AND OXIDANT BEING IN A RATIO OF FROM 1 REDUCTANT: 2 OXIDANT TO ABOUT 6 REDUCTANT:1 OXIDANT, SAID PERCENTS BEING BASED ON THE WEIGHT OF THE MONOMERIC MATERIAL.
Claim 2
Dependent Claim
87 words
THE PROCESS WHICH COMPRISES POLYMERIZING A MONOMERIC MATERIAL COMPRISING A BUTADIENE1,3 HYDROCARBON IN AQUEOUS EMULSION AT A PH OF 9.5 TO 11.5 AND A TEMPERATURE FROM -30 TO +30* C. IN THE PRESENCE OF A CATALYST CONSISTING OF 0.01 TO ABOUT 2.0 PERCENT OF FERROUS GLUCONATE REDUCTANT AND 0.10 AND 2.0 PERCENT OF AN ORGANIC PEROXIDE OXIDANT, SAID REDUCTANT AND OXIDANT BEING IN A RATIO OF FROM 1 REDUCTANT: 2 OXIDANT TO ABOUT 6 REDUCTANT:1 OXIDANT, SAID PERCENTS BEING BASED ON THE WEIGHT OF THE MONOMERIC MATERIAL.
References Cited (Backward Citations)
US2234076A
Cited
US2380474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |