Lactone compound

Details Lactone compound Lactone compound

2006-01-31

2006-01-31

Owens, Amelia A. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06992197

ABSTRACT:
A novel monomer compound having a lactone moiety of the present invention can be converted into polymers usable as resist materials with excellent properties, etc., and an alcohol compound having a lactone moiety of the invention is useful as a material for the monomer compound. The compounds are represented by the following general formula [1]:wherein one of R1and R2represents a hydrogen atom, an acryloyl group, or a methacryloyl group, and the other represents an alkyl group; R3and R4independently represent a hydrogen atom or an alkyl group; R5and R6both represent a hydrogen atom or are combined to form a methylene chain that may have an alkyl group; and R7and R8independently represent a hydrogen atom or a methyl group.

REFERENCES:
patent: 6639035 (2003-10-01), Chen et al.
patent: 2004/0063882 (2004-04-01), Kamon et al.
patent: 1 352 904 (2003-10-01), None
patent: A-2002-234882 (2002-08-01), None
patent: A-2002-308866 (2002-10-01), None
Urban, E. et al ‘Model compounds for ‘garlicin’ and their antimicrobial activity in the growth-test of yeast’ CA 114:3279 (1991).

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