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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.:

US 5674623 B1

PDFFull Text
Date of Patent:
Oct. 07, 1997

Filed:

Nov. 14, 1994

Photocurable film adhesives

Applicant:
Inventors:

Margaret Ruth Haddon, Milton Keynes, GB;

Terence James Smith, Royston, GB;

Assignee:

Ciba-Geigy Corporation, Tarrytown, NY (US);

Attorneys:

Crichton; David R.

Teoli; William A.

Primary Examiner:

Susan W Berman

Int. Cl.
CPC ...
C09J / ; C09J / ; C09J / ; C09J / ;
U.S. Cl.
CPC ...
428414 ; 4284237 ; 4284246 ; 522 92 ; 522 93 ; 522107 ; 522101 ; 522111 ;
Abstract

A solid photocurable film adhesive comprising (I) a photocurable material having, on average, more than one acrylic group per molecule, at least 20% by weight of said material being a urethane acrylate, a polyester acrylate or a mixture of a urethane acrylate and a polyester acrylate, (II) as sole or major solid film-forming component, a solid polyvinylacetal and (III) a photoinitiator for photopolymerisation of acrylic compounds. The film adhesive is useful in the production of data-carrying laminates such as identity cards.

Find Patent Forward Citations

Haddon, Margaret. (1997). Photocurable film adhesives (U.S. Patent No. 5674623). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5674623

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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