Piperazine-based sensitisers

Details Piperazine-based sensitisers Piperazine-based sensitisers

2004-07-02

2008-11-18

Wilson, James O. (Department: 1624)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C522S016000, C522S018000, C522S033000, C522S034000, C523S160000, C427S510000, C427S511000, C430S281100, C564S342000, C564S343000, C544S395000, C544S399000, C544S403000

Reexamination Certificate

active

07452921

ABSTRACT:
Compounds of formula (I) where: {R1is methyl, ethyl, cycloalkyl or optionally substituted aryl; Z is arylene or a group of formula —(CHR4)n-, where R4is hydrogen, hydroxy or alkyl, and n is a number from 0 to 6; Y is carbonyl or a —CH2— group; Q is a residue of a mono- or poly-hydroxyl compound having from I to 6 hydroxy groups; and x is a number from I to 6; and esters thereof} are useful as sensitizers for use in radiationcurable compositions.

REFERENCES:
patent: 6022906 (2000-02-01), Ohwa et al.
patent: 57142972 (1982-09-01), None
Gamlin, et al, cation to anion triplet-triplet energy transfer in crystalline organic salts, Tetrahedron Letters, vol. 37, No. 34, 1996, pp. 6037-6040.
Kwasi Ohemeng et al, “DNA Gyrase Inhibitory and Antimicrobial Activities of Some Diphenic Acid Monohydroxamides,” J. Med. Chem., vol. 40, 1997, pp. 3292-3296.

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