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:
Apr. 09, 1985
Filed:
Aug. 15, 1983
Richard A Coveleskie, Sayre, PA (US);
Shung-Yan L Lee, Wilmington, DE (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
Aqueous processable photopolymerizable compositions comprising a polymerizable ethylenically unsaturated monomer, a photoinitiator or photoinitiator system, and acid binder are described which give increased resistance to stain or scum formation on copper surfaces upon incorporation of an acid having a molecular weight not greater than 300 with a solubility of at least 0.01 grams in 100 grams water at 20.degree. C. and a dissociation constant in a range from 1.times.10.sup.-5 to 5.times.10.sup.-2. Water soluble acids which readily give up protons such as citric, malonic, malic, and maleic and are suitable.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile