US2976163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsifying polymer oils
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-10-08
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Granted: 1961-03-21
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Expires: 1974-10-08
Abstract
No abstract record available.
Inventors
- 👤 Russell D Bitting
- 👤 Kenneth E Jackson
- 👤 Louis J Nowacki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:58
CPC Classifications
C; C09; C09K; C09K23/00; C09K23/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR PREPARING AN EMULSION WHICH COMPRISES ADDING 2 TO 5 WEIGHT PERCENT OF A POLYOXYETHYLATED NONYL PHENOL CONTAINING AT LEAST 8 EHYLENE OXIDE UNITS TO AN OILY POLYMER OF 60 TO 100% BUTADIENE-1,3 AND 40 TO 0% STYRENE WHICH POLYMER HAS BEEN STRIPPED OF ALL VOLATILE MATERIAL AND AGITATING THE MIXTURE WITH WATER UNTIL AN EMULSION IS FORMED.
Claim 2
Dependent Claim
60 words
A PROCESS FOR PREPARING AN EMULSION WHICH COMPRISES ADDING 2 TO 5 WEIGHT PERCENT OF A POLYOXYETHYLATED NONYL PHENOL CONTAINING AT LEAST 8 EHYLENE OXIDE UNITS TO AN OILY POLYMER OF 60 TO 100% BUTADIENE-1,3 AND 40 TO 0% STYRENE WHICH POLYMER HAS BEEN STRIPPED OF ALL VOLATILE MATERIAL AND AGITATING THE MIXTURE WITH WATER UNTIL AN EMULSION IS FORMED.
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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |