US3048556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion exchange treatment of butyl rubber latex and product thereof
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-04-21
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Granted: 1962-08-07
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Expires: 1979-04-21
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:12
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J2323/00; C08J2323/02; C08J2323/18; C08J2323/20; C08J2323/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR INCREASING THE VISCOSITY OF C4 TO C8 ISOOLEFIN-C4 TO C12 MULTIOLEFIN BUTYL RUBBER LATICES WHICH COMPRISES CONTACTING SAID LATEX AT A TEMPERTURE LEVEL OF BETWEEN ABOUT 10* AND 90*C. WITH BETWEEN ABOUT 1 AND 20 PARTS BY WEIGHT OF A SYNTHETIC SULFORNATED STYRENE DIVINYL BENZENE CATION EXCHANGE RESIN PER 100 PARTS BY WEIGHT OF LATEX AND SEPARATING THE CATION EXCHANGE RESIN TREATED LATEX FROM THE RESIN.
Claim 2
Dependent Claim
69 words
A PROCESS FOR INCREASING THE VISCOSITY OF C4 TO C8 ISOOLEFIN-C4 TO C12 MULTIOLEFIN BUTYL RUBBER LATICES WHICH COMPRISES CONTACTING SAID LATEX AT A TEMPERTURE LEVEL OF BETWEEN ABOUT 10* AND 90*C. WITH BETWEEN ABOUT 1 AND 20 PARTS BY WEIGHT OF A SYNTHETIC SULFORNATED STYRENE DIVINYL BENZENE CATION EXCHANGE RESIN PER 100 PARTS BY WEIGHT OF LATEX AND SEPARATING THE CATION EXCHANGE RESIN TREATED LATEX FROM THE RESIN.
References Cited (Backward Citations)
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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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |