Title: Novel method for forming silver diffusion transfer image receiving layers

Abstract: Silver diffusion transfer image-receiving elements are formed by hydrolyzing a solution of a hydrolyzable cellulose ester, coating a support with a layer of said hydrolyzed cellulose ester and disposing silver precipitating nuclei therein.

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Inventors: Eckert, Robert D. (Lexington, MA, US)
Levy, Boris (Wayland, MA, US)
Mahoney, John B. (Tewksbury, MA, US)

Application Number: 846157
Filing Date: 1977-10-27
Publication_date: 1979-08-07
Assignee: Polaroid Corporation (Cambridge, MA)
Primary Class(es): 427/401 427/339, 427/415
Other Classes:
US Patent Ref:

3607269	Sep, 1971	Young	96/29.
3671241	Jun, 1972	Land	96/29.
3969541	Jul, 1976	Mukaida et al.	96/29.
3976817	Aug, 1976	Mukaida et al.	427/308.

Other Refs:
Primary Examiner: Hoffman, James R.
Assistant Examiner:
Attorney: Kiely; Philip G.