FINGERPRINT DETECTION POWDER - KINSEI MATEC CO LTD

Title:

FINGERPRINT DETECTION POWDER

Document Type and Number:

WIPO Patent Application WO/2018/193669

Kind Code:

A1

Abstract:

Provided is a fingerprint detection powder capable of collecting a clear fingerprint image even from a sample with a smaller amount of fingerprint constituents adhered thereto and a sample with a smooth glassy surface. This fingerprint detection powder contains pigment particles and calcium lactate. The pigment particles preferably contain at least one type selected from the group consisting of titanium oxide, aluminum oxide, zinc oxide, zirconium oxide, colcothar, yellow iron oxide, black iron oxide, silica, carbon black, aluminum powder, and copper powder. The surface of the pigment particles is preferably covered with the calcium lactate. The fingerprint detection powder further contains a silane coupling agent. Preferably, the silane coupling agent is n-octyltriethoxysilane. The surface of the pigment particles is preferably covered with the n-octyltriethoxysilane as well as the calcium lactate.

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Inventors:

TANI KOKICHI (JP)
FUJIOKA JUNYA (JP)

Application Number:

PCT/JP2017/047087

Publication Date:

October 25, 2018

Filing Date:

December 27, 2017

Export Citation:

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Assignee:

KINSEI MATEC CO LTD (JP)

International Classes:

A61B5/1172

Foreign References:

JP2016106918A	2016-06-20
CN104352242A	2015-02-18
CN101792147A	2010-08-04
JP2016106918A	2016-06-20

Other References: