US2932671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing condensation products of alkylated phenols with aldehydes
Assignee: Alco Oil and Chemical Corp
•
Filing: 1957-12-13
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Granted: 1960-04-12
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Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Onslow B Hager
- 👤 Coe Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:06
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/11; C07C37/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE PROCESS FOR PRODUCING A CONDENSATION PRODUCT OF AN ALKYLATED PHENOL WITH AN ALDEHYDE, WHICH COMPRISES MIXING TOGETHER 2-TERTIARYBUTYL-5-METHYLPHENOL AND AN ALDEHYDE SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE, PARAFORMALDEHYDE, ACETALDEHYDE AND PARALDEHYDE, THE MOLAR RATIO OF ALKYLATED PHENOL TO ALDEHYDE BEING FROM ABOUT 1.5:1 TO ABOUT 2:1, IN THE PRESENCE OF AN AMOUNT OF GLACIAL ACETIC ACID AT LEAST SUFFICIENT TO COMPLETELY DISSOLVE SAID DIALKYLPHENOL AND SAID ALDEHYDE, AN ACID CONDENSATION CATALYST AND ABOUT 3%, BY WEIGHT, BASED ON ALKYLATED PHENOL, OF AN ANIONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ARYL SULFONATE IN WHICH THE ALKARYL GROUP CONTAINS FROM 12 TO 20 CARBON ATOMS, AN ALKYLPHENOXYETHOXYETHYL SULFATE OF THE FORMULA:
Claim 2
Dependent Claim
116 words
THE PROCESS FOR PRODUCING A CONDENSATION PRODUCT OF AN ALKYLATED PHENOL WITH AN ALDEHYDE, WHICH COMPRISES MIXING TOGETHER 2-TERTIARYBUTYL-5-METHYLPHENOL AND AN ALDEHYDE SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE, PARAFORMALDEHYDE, ACETALDEHYDE AND PARALDEHYDE, THE MOLAR RATIO OF ALKYLATED PHENOL TO ALDEHYDE BEING FROM ABOUT 1.5:1 TO ABOUT 2:1, IN THE PRESENCE OF AN AMOUNT OF GLACIAL ACETIC ACID AT LEAST SUFFICIENT TO COMPLETELY DISSOLVE SAID DIALKYLPHENOL AND SAID ALDEHYDE, AN ACID CONDENSATION CATALYST AND ABOUT 3%, BY WEIGHT, BASED ON ALKYLATED PHENOL, OF AN ANIONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ARYL SULFONATE IN WHICH THE ALKARYL GROUP CONTAINS FROM 12 TO 20 CARBON ATOMS, AN ALKYLPHENOXYETHOXYETHYL SULFATE OF THE FORMULA:
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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |