Method for producing cleaning blade

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9037069
APP PUB NO 20140323667A1
SERIAL NO

14263859

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Abstract

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In a method for producing a cleaning blade, a first composition obtained by causing a reaction of diphenylmethane diisocyanate and a first aliphatic polyester polyol which has a number-average molecular weight of 2000 to 3500 and is used in an amount of 20 to 40 mol % relative to the diphenylmethane diisocyanate and a second composition containing a urethane rubber-synthesizing catalyst and a second aliphatic polyester polyol which has a number-average molecular weight of 2000 to 3500 and is the same as or different from the first aliphatic polyester polyol are mixed so that a relationship between a number of moles (MNCO [mol]) of an NCO group in the first composition and a number of moles (MOH [mol]) of an OH group in the second composition satisfies 0.05≦MOH/MNCO≦0.20.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawada, Masaya Yokohama, JP 35 205
Tanoue, Tomohiro Yokohama, JP 4 10
Watabe, Masahiro Yokohama, JP 45 687

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