IP Library › Patent Application 14361995
Patent Application
App. No. 14/361,995

HEAT SENSITIVE COATING COMPOSITION

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Quick Facts
Patent No.
US None
App. No.
14/361,995
Abstract

Disclosed is an improved method for reducing the static sensitivity of a heat sensitive coating composition while not deteriorating the dynamic sensitivity, wherein N-(p-toluenesulphonyl)-N′-(3-p-toluenesulphonyl-oxy-phenyl)urea having an X-ray powder pattern having Bragg angles (2θ/CuKα) of 10.3, 11.1, 13.0, 13.3, 15.6, 17.1, 18.1, 18.4, 19.6, 20.0, 20.8, 21.3, 23.1, 25.0, 25.5, 26.4, 26.8, 27.5, 29.1, 32.8 is used as a colour developer.

Claims (2)

1 . Method of reducing the static sensitivity of a heat sensitive coating composition comprising a colour forming compound and a colour developer characterized in using N-(p-toluenesulphonyl)-N′-(3-p-toluenesulphonyl-oxy-phenyl)urea having an X-ray powder pattern having Bragg angles (2θ/CuK α ) of 10.3, 11.1, 13.0, 13.3, 15.6, 17.1, 18.1, 18.4, 19.6, 20.0, 20.8, 21.3, 23.1, 25.0, 25.5, 26.4, 26.8, 27.5, 29.1, 32.8 as colour developer.

2 . Method according to claim 1 , wherein the reduction is expressed as a temperature increase by at least 2° C. at an optical density level of 0.2.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 26, 2019
From: BASF SE
To: SOLENIS TECHNOLOGIES, L.P.
Reel/Frame 048697/0892 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 30, 2014
From: MONTGOMERY O'NEIL, ROBERT; HOOK, LUKASZ
To: BASF SE
Reel/Frame 032999/0860 →