Patent US3264232A successfully refreshed from Google Patents.
US3264232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butyl rubber latex foam
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-02-21
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Granted: 1966-08-02
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Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Robert V Lucke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:07
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; C08J2323/00; C08J2323/02; C08J2323/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF FORMING CELLULAR STRUCTURES OF LATICES OF A VULCANIZABLE ELASTIC COPOLYMER OF 80-99% WEIGHT OF AN ISOOLEFIN OF 4 TO 7 CARBON ATOMS AND 1-10% BY WEIGHT OF A CONJUGATE LATEX BEING PREPARED BY THE AID OF AN ANIONIC EMULSIFIER CHOSEN FROM THE GROUP CONSISTING OF AN ALKALI METAL, AN ALKALINE EARTH METAL, AMINE AND AMMONIUM SALTS OF A C8 TO C11 ORGANIC SULFATE, WHICH COMPRISES INCORPORATING 5 TO 15 WT. PERCENT OF AN AGGLOMERATED LATEX OF A RUBBERY COPOLYMER OF BUTADIENE AND STYRENE, A FROTHING AGENT AND A GELLING AGENT INTO A DISPERSION OF SUCH MATERIAL, FORM ING SAID DISPERSION INTO A FROTH, AND SETTING SAID FROTH TO AN IRREVERSIBLE EL.
Claim 2
Independent Claim
114 words
A METHOD OF FORMING CELLULAR STRUCTURES OF LATICES OF A VULCANIZABLE ELASTIC COPOLYMER OF 80-99% WEIGHT OF AN ISOOLEFIN OF 4 TO 7 CARBON ATOMS AND 1-10% BY WEIGHT OF A CONJUGATE LATEX BEING PREPARED BY THE AID OF AN ANIONIC EMULSIFIER CHOSEN FROM THE GROUP CONSISTING OF AN ALKALI METAL, AN ALKALINE EARTH METAL, AMINE AND AMMONIUM SALTS OF A C8 TO C11 ORGANIC SULFATE, WHICH COMPRISES INCORPORATING 5 TO 15 WT. PERCENT OF AN AGGLOMERATED LATEX OF A RUBBERY COPOLYMER OF BUTADIENE AND STYRENE, A FROTHING AGENT AND A GELLING AGENT INTO A DISPERSION OF SUCH MATERIAL, FORM ING SAID DISPERSION INTO A FROTH, AND SETTING SAID FROTH TO AN IRREVERSIBLE EL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |