Patent US2510882A successfully refreshed from Google Patents.
US2510882A
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Stable dispersion of phenyl beta naphthylamine and the like
Assignee: Standard Oil Development Co
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Filing: 1947-04-26
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Granted: 1950-06-06
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Expires: 1967-04-26
Abstract
No abstract record available.
Inventors
- 👤 Albert P Giraitis
- 👤 Kenneth J Whittet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
IN AN ACQUEOUS EMULSION POLYMERIZATION PROCESS FOR THE PRODUCTION OF RUBBERY MATERIALS WHEREIN A CONJUGATED DIOLEFIN OF 4 TO 6 CARBON ATOMS IS COPOLYMERIZED WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, STYRENEAND VINYL METHYL KETONE, THE IMPROVEMENT WHICH COMPRISES ADDING TO THE POLYMERIZED EMULSION A STABLE ACQUEOUS SUSPENSION CONTAINING 15 TO 35 PARTS BY WEIGHT OF A STABILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF PHYENYL BETA NAPHTHYLAMINE AND DIBETANAPHTHYL P-PHENYLENE DIAMINE, 12 TO 15 PARTS BY WEIGHT OF AN ALKANOL OF 2 TO 4 CARBON ATOMS, 01. TO 0.5 PART BY WEIGHT OF A COLLOIDAL CLAY AND 0.2 TO 1.0 PART BY WEIGHT OF AN EMULSIFYING AGENT SELECTED FROM THE GROUP CONSISTING OF GUM ARABIC AND CASEIN.
References Cited (Backward Citations)
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US2390765A
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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) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |