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:
Oct. 28, 1997
Filed:
Feb. 02, 1996
Michael William Orem, Rochester, NY (US);
Richard Lee Daubendiek, Rochester, NY (US);
Douglas Lee Oehlbeck, Rochester, NY (US);
Joseph George Lighthouse, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
The invention relates to a solution for forming silver halide emulsions comprising water, a gelatin containing less than 30 micromoles of methionine per gram of gelatin, and at least one antifoamant selected from the group consisting of RCO.sub.2 (CH.sub.2 CH.sub.2 O).sub.x OCR (I) wherein RC and CR represent the carbon chain in carboxylic acids with chain lengths of predominantly 12-18 carbon atoms, x has a mean value of 4 to 5 from a mixture with a distribution of values between 2 and 7, and (H.sub.3 CSi) �(OSi (CH.sub.3).sub.2).sub.d O-- (CH.sub.2 CH.sub.2 CH.sub.2 O--).sub.n C.sub.4 H.sub.9 !.sub.3 (II) wherein the molecular weight is 2500 to 3500 and d and n have average values of less than 15.