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Patent US3849501A successfully refreshed from Google Patents.
US3849501A
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US
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Process for converting ethoxylated alkyl mercaptans to their oil soluble form using alkylated phenols
Assignee: Individual
•
Filing: 1971-12-13
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Granted: 1974-11-19
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Expires: 1991-12-13
Abstract
Abstract 1. A PROCESS FOR CONVERTING ETHOXYLATED ALKYL MERCAPTAN SUBSTRATES NORMALLY BEING INSOLUBLE IN A 0.10% BY WEIGHT SOLUTION OF MINERAL OIL AT 75: F. TO 80* F., TO THEIR OIL SOLUBLE FORM, SAID SUBSTRATES BEING OF THE FORMULA: R-S(CH2CH2O)NH WHEREIN R IS AN ALKYL RADICAL OF FROM 2 TO 22 CARBON ATOMS AND N=1 TO 30, BY THE PROCESS OF: (A) ADMIXING EACH PART BY WEIGHT PORTION OF SAID SUBSTRATE TO BE SOLUBILIZED, WITH (B) A TWO TO EIGHT PARTS BY WEIGHT OF ALKYLATED PHENOL, WHEREIN THE ALKYLATING GROUPS CONTAIN FROM 9 TO 16 CARBON ATOMS, AT TEMPERATURES UP TO 175* F., UNTIL SAID OIL-SOLUBLE FORM IS PRODUCED.
Inventors
- 👤 F Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:39
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2639; C08G65/32; C08G65/329; C08G65/331; C08G65/3311; C08G65/3314; C08G65/3315; C08G65/3317; C10; C10M; C10M177/00; C10M2201/00; C10M2201/02; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2221/00; C10M2221/04; C10M2221/043; C10N; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PROCESS FOR CONVERTING ETHOXYLATED ALKYL MERCAPTAN SUBSTRATES NORMALLY BEING INSOLUBLE IN A 0.10% BY WEIGHT SOLUTION OF MINERAL OIL AT 75: F. TO 80* F., TO THEIR OIL SOLUBLE FORM, SAID SUBSTRATES BEING OF THE FORMULA:
Claim 2
Dependent Claim
37 words
A PROCESS FOR CONVERTING ETHOXYLATED ALKYL MERCAPTAN SUBSTRATES NORMALLY BEING INSOLUBLE IN A 0.10% BY WEIGHT SOLUTION OF MINERAL OIL AT 75: F. TO 80* F., TO THEIR OIL SOLUBLE FORM, SAID SUBSTRATES BEING OF THE FORMULA:
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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |