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:
Feb. 28, 1989
Filed:
Jan. 29, 1987
Applicant:
Inventors:
John D Spivack, Spring Valley, NY (US);
Ramanathan Ravichandran, Yonkers, NY (US);
Stephen D Pastor, Yonkers, NY (US);
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
524 94 ; 524104 ; 524105 ; 524106 ; 252402 ; 252403 ; 546121 ; 548309 ; 548312 ; 548317 ; 548318 ; 548320 ; 548517 ; 548543 ;
Abstract
Substituted (4-hydroxyphenylthioalkyl) derivatives of the formula ##STR1## are prepared by the reaction of the appropriate ring and hydroxybenzene thiol compounds and are useful stabilizers of organic materials.