US2560741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene polyamine activated organic peroxide catalyzed synthetic rubber emulsion polymerizations
Assignee: Uniroyal Inc
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Filing: 1950-05-23
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Granted: 1951-07-17
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Expires: 1970-05-23
Abstract
No abstract record available.
Inventors
- 👤 Raoul L Provost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:58
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN THE PROCESS OF EMULSION POLYMERIZING IN ALKALINE MEDIUM AND IRON-FREE SYNTHETIC RUBBER POLYMERIZATION RECIPE COMPRISING SYNTHETIC RUBBER-FORMING MONOMERS SELECTED FROM THE GROUP CONSISTING OF BUTADIENES-1,3 AND MIXTURES OF BUTADIENES-1,3 WITH COMPOUNDS WHICH CONTAIN A SINGLE CH2=C< GROUP AND ARE COPOLYMERIZABLE WITH BUTADIENES-1,3, WATER, EMULSIFYING AGENT, ORGANIC PEROXIDE CATALYST AND POLYETHYLENE POLYAMINE ACTIVATOR, THE STEP WHICH COMPRISES CARRYING OUT THE POLYMERIZATION IN THE PRESENCE OF 0.001 TO 0.1 PART OF ALKALI SALT OF ETHYLENEDIAMINE TETRAACETIC ACID PER 100 PARTS OF POLYMERIZABLE MONOMERS.
Claim 2
Dependent Claim
82 words
IN THE PROCESS OF EMULSION POLYMERIZING IN ALKALINE MEDIUM AND IRON-FREE SYNTHETIC RUBBER POLYMERIZATION RECIPE COMPRISING SYNTHETIC RUBBER-FORMING MONOMERS SELECTED FROM THE GROUP CONSISTING OF BUTADIENES-1,3 AND MIXTURES OF BUTADIENES-1,3 WITH COMPOUNDS WHICH CONTAIN A SINGLE CH2=C< GROUP AND ARE COPOLYMERIZABLE WITH BUTADIENES-1,3, WATER, EMULSIFYING AGENT, ORGANIC PEROXIDE CATALYST AND POLYETHYLENE POLYAMINE ACTIVATOR, THE STEP WHICH COMPRISES CARRYING OUT THE POLYMERIZATION IN THE PRESENCE OF 0.001 TO 0.1 PART OF ALKALI SALT OF ETHYLENEDIAMINE TETRAACETIC ACID PER 100 PARTS OF POLYMERIZABLE MONOMERS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |