公开(公告)号：WO2009093028A2

公开(公告)日：2009-07-30

申请号：PCT/GB2009/000174

申请日：2009-01-22

Applicant: DATALASE LTD. ,  JARVIS, Anthony, N.

Inventor： JARVIS, Anthony, N.

CPC classification number: G03C1/73 ,  B41M5/285 ,  C07C233/09 ,  C07C233/38 ,  C09B57/00 ,  G03F7/025

Abstract: A compound which undergoes a colour change upon irradiation, and which has the general structure: X-C≡C-C≡C-Y-(CO) n -QZ wherein X is H, alkyl or -Y-(CO) n -QW; each Y is the same or a different divalent alkylene group; Q is O, S or NR; R is H or alkyl; W is H, alkyl or Z; each Z is the same or a different unsaturated alkyl group; and each n is 0 or 1.

Abstract translation: 经辐照后发生颜色变化并且具有以下通式结构的化合物：XC≡CC≡CY-（CO）n -QZ其中X是H，烷基 或-Y-（CO）n -QW; 每个Y是相同或不同的二价亚烷基; Q是O，S或NR; R是H或烷基; W是H，烷基或Z; 每个Z是相同或不同的不饱和烷基; 每个n是0或1。

公开(公告)号：WO2008050153A1

公开(公告)日：2008-05-02

申请号：PCT/GB2007/050647

申请日：2007-10-19

Applicant: DATALASE LTD. ,  JARVIS, Anthony, N.

Inventor： JARVIS, Anthony, N.

IPC: B41M5/30 ,  C09D11/00 ,  B41M5/46

CPC classification number: B41M5/465 ,  B41M5/30 ,  B41M2205/04 ,  C09D11/50 ,  Y10T428/31678 ,  Y10T428/31975 ,  Y10T428/31993

Abstract: A laser-markable composition comprises a marking component and an organic compound, wherein the organic compound absorbs laser radiation at 780 to 2000 nm and thereby causes the marking component to change colour, and wherein the organic compound has an absorptivity ratio, A r, of at least 1.25, wherein the absorptivity ratio is defined as formula (I): wherein: A p780-2000nm is an absorbance peak in the wavelength region of 780 to 2000 nm; and A ave400-700nm is the average absorbance in the wavelength region of 400 to 700 nm.

Abstract translation: 可激光标记组合物包含标记组分和有机化合物，其中有机化合物在780-2000nm处吸收激光辐射，从而使标记组分改变颜色，并且其中有机化合物的吸收比A r为 至少1.25，其中吸收率定义为式（I）：其中：A780-2000nm是在780至2000nm的波长区域中的吸收峰; 并且A 400-700nm是波长区域中的平均吸光度在400至700nm之间。