US2973309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable butyl latices
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-08-14
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Granted: 1961-02-28
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Expires: 1976-08-14
Abstract
No abstract record available.
Inventors
- 👤 Robert S Brodkey
- 👤 Jr John Rehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:10
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/28; C08F; C08F255/00; C08F255/08; C08F255/10; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; C08J2323/00; C08J2323/02; C08J2323/18; C08J2323/20; C08J2323/22; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR STABILIZING AQUEOUS BUTYL LATEX WHICH COMPRISES ADMIXING A BUTYL LATEX CONTAINING IN THE RANGE OF 20 TO 60 WT.K PERCENT SOLIDS AND CONSISTING ESSENTIALLY OF A BUTYL RUBBER AND WATER, WITHIN THE RANGE OF 3 TO 10 WT. PERCENT OF A POLYMERIZABLE MONOMER SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE AND ACYLONITRILE, IRRADIATING THE ADMIXTURE FO FORMED WITHIN THE RANGE OF 0.75 TO 50 MEGAROENTGENS OF HIGH INTENSITY IONIZING RADIATION AT A DOSE RATE OF AT LEAST 50,000 ROENTGENS PER HOUR AND RECOVERING A STABLE BUTYL LATEX.
Claim 2
Dependent Claim
91 words
A PROCESS FOR STABILIZING AQUEOUS BUTYL LATEX WHICH COMPRISES ADMIXING A BUTYL LATEX CONTAINING IN THE RANGE OF 20 TO 60 WT.K PERCENT SOLIDS AND CONSISTING ESSENTIALLY OF A BUTYL RUBBER AND WATER, WITHIN THE RANGE OF 3 TO 10 WT. PERCENT OF A POLYMERIZABLE MONOMER SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE AND ACYLONITRILE, IRRADIATING THE ADMIXTURE FO FORMED WITHIN THE RANGE OF 0.75 TO 50 MEGAROENTGENS OF HIGH INTENSITY IONIZING RADIATION AT A DOSE RATE OF AT LEAST 50,000 ROENTGENS PER HOUR AND RECOVERING A STABLE BUTYL LATEX.
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) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |