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:
Jan. 29, 1991
Filed:
May. 30, 1989
Applicant:
Inventors:
Alan R Pitt, Hertfordshire, GB;
John T Wear, Middlesex, GB;
Rachel Richardson, Middlesex, GB;
David Young, Hertfordshire, GB;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430449 ; 430634 ; 430546 ; 560151 ; 560145 ; 252356 ; 252354 ;
Abstract
The invention provides a composition comprising a hydrophilic colloid and a surface active agent characterised in that the surface active agent is a compound having the formula ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 independently is a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group;
Quick Actions:
Pitt, Alan. (1991). Hydrophilic colloid compositions for photographic materials (U.S. Patent No. 4988610). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4988610
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile