The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 01, 1983
Filed:
Feb. 22, 1982
Applicant:
Inventors:
Karl O Knollmueller, Hamden, CT (US);
Theodore H Fedynyshyn, Branford, CT (US);
Assignee:
Olin Corporation, New Haven, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ; C09K / ;
U.S. Cl.
CPC ...
252 783 ; 556425 ;
Abstract
Disclosed are selected 4-hydroxyphenyl anilino alkoxysilanes of the formula: ##STR1## wherein R is hydrogen or a lower alkyl group having from 1 to 4 carbon atoms and each R' is individually selected from an alkyl group having 3 to 12 carbon atoms with the proviso that at least a majority of said R' radicals are sterically hindered alkyl groups. The compounds are disclosed to be effective antioxidants, especially in functional fluids having shielded polysilicate compounds, silicate esters, or silicone oils as base fluids.