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. 16, 1980
Filed:
Apr. 10, 1978
Henry J Gysling, Rochester, NY (US);
Sylvia A Gardner, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
Disclosed are tellurium (IV) compounds represented by the formula: ##STR1## wherein: D is a Lewis base function containing a group VA or VIA donor atom; Q represents the atoms necessary to complete a 5- or 6-membered ring, when taken together with C, D and Te, when m is 1 and represents the atoms linking C and D when m is greater than 1; R.sub.1 and R.sub.2 are independently selected from the group consisting of hydrogen, alkyl and aryl; X is an anion; n is 1 or 2; and m is an integer from 1 to 500. These compounds are useful in an image-forming combination comprising the described Te(IV) compound and a reducing agent. The image-forming combination is useful in a variety of materials, including a dry amplification element.