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:
Aug. 07, 1990
Filed:
Dec. 02, 1988
Applicant:
Inventors:
Michael R Green, Geneva, IL (US);
Chang M Park, Naperville, IL (US);
Adel B Abdul-Malek, Naperville, IL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549245 ; 549203 ;
Abstract
There is provided a trimellitic anhydride composition having a reduced tendency to form trimellitic anhydride dust which composition comprises trimellitic anhydride treated with at least one organic compound wherein the organic compound is both liquid and substantially non-volatile at normal ambient temperatures and pressures. There is also provided a method for suppressing dust emitted from trimellitic anhydride which method comprises treating the trimellitic anhydride with the aforementioned organic compounds.