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:
Dec. 15, 1981
Filed:
Jan. 23, 1980
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556419 ; 2603131 ; 2603 / ; 2603 / ; 2603 / ; 260333 ; 26034611 ; 2603473 ; 546 14 ; 549-4 ;
Abstract
The Si-modified bis-phthalic acid derivatives according to the invention are monomeric, oligomeric or polymeric compounds. An example of a monomeric compound of the invention is the amidoacid of the formula ##STR1## which is formed by reacting 4,4'-diaminodiphenylmethane and 4-N,N'-bis-[3-tri-n-propoxy)-silyl-propyl]-aminophthalic anhydride in solution, in a molar ratio of 1:2. To produce oligomeric or polymeric compounds, the reaction has to be carried out with a 3rd component, for example pyromellitic dianhydride. The products are used as adhesion promoters, for example between inorganic solids and organic resins.