Title:
原子価異性化に基づく時間-温度指示薬
Document Type and Number:
Japanese Patent JP4685033
Kind Code:
B2
Abstract:
The present invention relates to a time temperature indicator comprising at least one indicator compound in a first isomeric form, which is converted into a second isomeric form of said indicator compound in a valence isomerization reaction without migration of an atom or chemical group attached to said indicator compound in a time and temperature dependent manner, wherein the formation of the second isomeric form is detectable by monitoring a physical characteristic of the indicator. The present invention also relates to a method of manufacturing such a time-temperature indicator comprising the steps of (a) embedding in or atop a matrix said indicator compound; and (b) inducing the formation of a metastable state of said embedded indicator compound.
Inventors:
Levi, Joav
Harley, dietrich
Harley, dietrich
Application Number:
JP2006551838A
Publication Date:
May 18, 2011
Filing Date:
January 24, 2005
Export Citation:
Assignee:
FRESHPOINT HOLDINGS S.A.
International Classes:
G01N31/22; C07D207/337; C07D333/12; C07D333/24; C07D333/56; C07D409/04; C07D409/14; C07D491/10; C07D491/107; C07D491/20; C08K5/3415; C08K5/357; C09K3/00; C09K9/02; G01K11/16; G04F1/00; C07D207/32
Domestic Patent References:
| JP2002254823A | ||||
| JP9113500A | ||||
| JP62281802A | ||||
| JP8020768A | ||||
| JP61013118A |
Foreign References:
| WO2001086289A1 |
Other References:
Opt Eng,1998年,Vol.37, No.9, Page.2620-2624
Attorney, Agent or Firm:
Hajime Tsukuni
Fumio Shinoda
Fumio Shinoda