Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1996-02-02
1997-10-28
Huff, Mark F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
252358, 430567, G03C 1043, B01D 1904
Patent
active
056816928
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 (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.
REFERENCES:
patent: 4713320 (1987-12-01), Maskasky
patent: 5059342 (1991-10-01), Blease
patent: 5104576 (1992-04-01), Snow
patent: 5380464 (1995-01-01), McGee et al.
Research Disclosure 36929, "Antifoam Materials For Manufacturing Photographic Elements" Jan. 1995, pp. 29-30.
Daubendiek Richard Lee
Lighthouse Joseph George
Oehlbeck Douglas Lee
Orem Michael William
Eastman Kodak Company
Huff Mark F.
Leipold Paul A.
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