US2968637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable dispersions of ethylene polymers and process of curing same
Assignee: EIDP Inc
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Filing: 1953-07-20
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Granted: 1961-01-17
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Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 Iii George H Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/205; C08J3/21; C08J3/215; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08J2323/00; C08J2323/26; C08J2323/32; C08J2323/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR PRODUCING A CURED CHLOROSULFONATED POLYMONOOLEFIN WHICH COMPRISES FORMING AN AQUEOUS LATEX OF A CHLOROSULFONATED POLYMONOOLEFIN HAVING AN AVERAGE PARTICLE SIZE OF LESS THAN 4 MICRONS, MAKING THAT THE LATEX BASIC TO A PH OF ABOUT 8 TO ABOUT 11.5, ADDING TO THE RESULTING BASIC LATEX A DISPERSION OF A POLYVALENT METAL OXIDE WHICH IS A CURING AGENT FOR THE CHLOROSULFONATED POLYMONOOLEFIN, EVAPORATING THE WATER FROM THE BASIC LATEX, AND THEREAFTER CURING THE CHLOROSULFONATED POLYMONOOLEFIN BY HEATING IT AT A TEMPERATURE OF 100*C. TO ABOUT 150*C.
Claim 2
Dependent Claim
88 words
A PROCESS FOR PRODUCING A CURED CHLOROSULFONATED POLYMONOOLEFIN WHICH COMPRISES FORMING AN AQUEOUS LATEX OF A CHLOROSULFONATED POLYMONOOLEFIN HAVING AN AVERAGE PARTICLE SIZE OF LESS THAN 4 MICRONS, MAKING THAT THE LATEX BASIC TO A PH OF ABOUT 8 TO ABOUT 11.5, ADDING TO THE RESULTING BASIC LATEX A DISPERSION OF A POLYVALENT METAL OXIDE WHICH IS A CURING AGENT FOR THE CHLOROSULFONATED POLYMONOOLEFIN, EVAPORATING THE WATER FROM THE BASIC LATEX, AND THEREAFTER CURING THE CHLOROSULFONATED POLYMONOOLEFIN BY HEATING IT AT A TEMPERATURE OF 100*C. TO ABOUT 150*C.
References Cited (Backward Citations)
US2562119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |