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. 28, 1976
Filed:
Feb. 21, 1974
Applicant:
Inventors:
August Jean Van Paesschen, Antwerp, B;
Joseph Antoine Herbots, Edegem, B;
Assignee:
AGFA-GEVAERT N.V., Mortsel, B;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ; C04B / ;
U.S. Cl.
CPC ...
96 8 / ; 96-4 ; 96 39 ; 427130 ; 427131 ; 427339 ; 427340 ; 428500 ; 428523 ; 428532 ;
Abstract
The adherence of a magnetic sound strip to the surface of an anti-halation layer of a multi-layer motion picture film including at least one light-sensitive emulsion layer is enhanced by using as the alkali-soluble binder of the anti-halation layer a polymer containing free carboxyl groups and including in the coating composition of the magnetic strip an organic compound which contains at least two reactive halogen atoms reactive with the polymer carboxyl groups.
Van Paesschen, August. (1976). Photosensitive element with antihalation layer and magnetic recording (U.S. Patent No. 3999992). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3999992
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile