US3046244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a solution of butyl rubber in hexane comprising adding wet butyl rubber to an agitated mixture of hexane and water
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1956-04-18
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Granted: 1962-07-24
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Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 Hunter Edward Allen
- 👤 Lambert Merlan Meredith
- 👤 Segura Marnell Albin
- 👤 Small Augustus Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:30
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/11; C08J3/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD WHICH COMPRISES PROVIDING A WET SOLID RUBBERY COPOLYMER OF BUTYL RUBBER CONTAINING BETWEEN ABOUT 27 AND 50% BY WEIGHT OF WATER HTHEREIN; FORMING A VIOLENTLY AGITATED MIXTURE OF 1 TO 3 PARTS HEXANE DISPERSED IN 1 PART OF WATER AS THE CONTINUOUS PHASE; AND ADDING SAID WET RUBBERY COPOLYMER DIRECTLY TO SAID AGITATED MIXTURE TO PROVIDE A SOLUSTION OF RUBBERY POLYMER IN SAID HEXANE, WITH A RELATIVELY LOW VISCOSITY.
Claim 2
Independent Claim
71 words
A METHOD WHICH COMPRISES PROVIDING A WET SOLID RUBBERY COPOLYMER OF BUTYL RUBBER CONTAINING BETWEEN ABOUT 27 AND 50% BY WEIGHT OF WATER HTHEREIN; FORMING A VIOLENTLY AGITATED MIXTURE OF 1 TO 3 PARTS HEXANE DISPERSED IN 1 PART OF WATER AS THE CONTINUOUS PHASE; AND ADDING SAID WET RUBBERY COPOLYMER DIRECTLY TO SAID AGITATED MIXTURE TO PROVIDE A SOLUSTION OF RUBBERY POLYMER IN SAID HEXANE, WITH A RELATIVELY LOW VISCOSITY.
References Cited (Backward Citations)
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Cited
GB363681A
Cited
US2313144A
Cited
GB515763A
Cited
US2296427A
Cited
US2595797A
Cited
US2799662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |