US2996468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for stabilizing a resin-rubber latex by addition of a metal oxide or hydroxide
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-02-02
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Granted: 1961-08-15
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Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Powers
- 👤 Alfred L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:40
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A PROCESS FOR PRODUCING LATICES OF RUBBERY POLYMERS COMPRISING MAJOR PROPORTIONS OF A C4 TO C7 MONOOLEFIN AND MINORS PROPORTIONS OF A C4 TO C3 MULTIOLEFIN WHICH COMPRISES DISPERSING SAID RUBBERY POLYMER IN AN AQUEOUS SOLUTION CONTAINING A PHOSPHATE STABILIZER AND AN EMULSIFIER AND MIXING SAID DISPERSION WITH A PHENOL AND AN ALDEHYDE CAPABLE OF FORMING A RESIN THEREWITH, THE IMPROVEMENT WHICH COMPRISES INTIMATELY CONTACTING THE MIXTURE WITH AN INORGANIC OXYGEN-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE OXIDES AND HYDROXIDES OF THE METALLIC ELEMENTS OF GROUPS IIA, IIB AND IVA OF THE DEMING PERIODIC CHART TO REDUCE THE SOLUBLE PHOSPHATE CONTENT OF THE MIXTURE AND INHIBIT THE FORMATION OF GEL.
Claim 2
Dependent Claim
113 words
IN A PROCESS FOR PRODUCING LATICES OF RUBBERY POLYMERS COMPRISING MAJOR PROPORTIONS OF A C4 TO C7 MONOOLEFIN AND MINORS PROPORTIONS OF A C4 TO C3 MULTIOLEFIN WHICH COMPRISES DISPERSING SAID RUBBERY POLYMER IN AN AQUEOUS SOLUTION CONTAINING A PHOSPHATE STABILIZER AND AN EMULSIFIER AND MIXING SAID DISPERSION WITH A PHENOL AND AN ALDEHYDE CAPABLE OF FORMING A RESIN THEREWITH, THE IMPROVEMENT WHICH COMPRISES INTIMATELY CONTACTING THE MIXTURE WITH AN INORGANIC OXYGEN-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE OXIDES AND HYDROXIDES OF THE METALLIC ELEMENTS OF GROUPS IIA, IIB AND IVA OF THE DEMING PERIODIC CHART TO REDUCE THE SOLUBLE PHOSPHATE CONTENT OF THE MIXTURE AND INHIBIT THE FORMATION OF GEL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |