Toyo Ink Manufacturing Company

Masato Yanagi

Makoto Dohi

Keiichi Sato

Toshikazu Onikubo

Hideyuki Ishiguro

Kouichi Iibuchi

Satoru Kagao

Tsukasa Otsuki

Sanae Nakaizumi

A method of indicating a time or a temperature-time accumulated value as a color change (degree of color development), which comprises providing an oxidation-polymerizable dyestuff and the oxidizing agent in a non-contact state and bringing the oxidation-polymerizable dyestuff and the oxidizing agent into contact with each other to polymerize the oxidation-polymerizable dyestuff with the passage of time, and an indicator material therefor.

Method of indicating time or temperature-time accumulated value as color

An anaerobic adhesive which undergoes setting only by attaching it to an article without applying any special energy, and an anaerobically setting adhesive sheet prepared by coating or impregnating a sheet with the above anaerobic adhesive and well-balanced between storage stability and setting properties, the anaerobic adhesive comprising;

Anaerobic adhesive and sheet

A curable adhesive composition comprising an unsaturated polyester oligomer (A) of any of the following formulae (I) to (IV), obtained by reacting a compound (a) having a hydroxyl group and/or an amino group, a cyclic acid anhydride (b) and an epoxide (c) having an ethylenically unsaturated group, and an adhesive polymer (B), ##STR1## wherein: R.sub.1 is a divalent organic moiety having 1 to 40 carbon atoms,

Curable adhesive composition and sheet thereof

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Tokyo, Japan

Masato Yanagi