Patent US3762889A successfully refreshed from Google Patents.
US3762889A
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Detergent motor fuel containing the salt reaction product of a paraffinic oil oxidate and a substituted urea
Assignee: Texaco Inc
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Filing: 1970-11-06
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Granted: 1973-10-02
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Expires: 1990-11-06
Abstract
Abstract Salt reaction product of a paraffinic oil oxide having a Neutralization Number from 55 to 80 and a Saponification Number from 100 to 200 and a substituted urea represented by the formula: IN WHICH X HAS A VALUE FROM 2 TO 4 AND R and R'' are hydrocarbyl radicals having from eight to 20 carbons, and a detergent motor fuel composition containing same.
Inventors
- 👤 S Newman
- 👤 R Yamamoto
- 👤 Allmen R Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:34
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2227
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
21 words
A motor fuel composition according to claim 1 containing from about o.005 to 0.05 weight percent of said salt reaction product.
Claim 2
Dependent Claim
14 words
A motor fuel according to claim 1 in which said substituted urea is 3,3''-di(oleylamino)-di-n-propylurea.
Claim 3
Dependent Claim
31 words
A motor fuel composition according to claim 1 in which x has a value of 3 and R and R'' are aliphatic hydrocarbon radicals having from 10 - 15 carbon atoms.
Claim 4
Dependent Claim
15 words
A motor fuel composition according to claim 1 in which said substituted urea is 3,3''-di(cocoamino)di-n-propylurea.
Claim 5
Dependent Claim
17 words
A motor fuel composition according to claim 1 in which said substituted urea is 3,3''-di-(C10-C14 sec. alkylamino)-di-n-propylurea.
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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |