Sughrue, Rothwell, Mion, Zinn and Macpeak
Process for preparing water-soluble alkyd resins
 A process for preparing a water-soluble alkyd resin, which comprises PA1 (1) reacting PA2 (i) at least one of PA3 (a) a 1,2-epoxyalkane containing 6 to 28 carbon atoms, PA3 (b) a straight-chain internal epoxyalkane containing 6 to 20 carbon atoms, PA3 (c) a mixture of one or more of the 1,2-epoxyalkane (a) and/or the internal epoxyalkane (b), or PA3 (d) a mixture of one or more of the 1,2-epoxyalkane (a) and/or the internal epoxyalkane (b) and an unsaturated fatty acid containing 12 to 18 carbon atoms in a molar ratio of about 4:1 to about 2:1 of the 1,2-epoxyalkane (a) and/or the internal epoxyalkane (b) to the unsaturated fatty acid; with PA2 (ii) at least one of PA3 (a') an aromatic carboxyl compound selected from the group consisting essentially of phthalic anhydride, isophthalic acid, terephthalic acid, an ester of isophthalic acid and an ester of terephthalic acid, PA2 (b') a mixture of two or more of the aromatic carboxyl compounds (a'), or PA3 (c') a mixture of one or more of the aromatic carboxylic compounds (a') and an aliphatic dicarboxylic acid having 3 or more carbon atoms or an anhydride thereof; and PA2 (iii) a polyhydric alcohol containing 2 to 10 carbon atoms to form a polyester containing hydroxyl groups and having an acid value of about 5 or less, a hydroxyl value of about 40 to about 200 and an average molecular weight of about 600 to about 2,500; PA1 (2) reacting the hydroxyl groups of the polyester with an aromatic polycarboxylic acid anhydride to adjust the acid value of the polyester to about 25 to about 80 and form a carboxyl group-containing alkyd resin; and PA1 (3) neutralizing the carboxyl group-containing alkyd resin with a base. 
Daicel Ltd.
C C C Y C
C08G C08G C08K Y10T C09D
inventional inventional inventional additional inventional
Shoji Masyoshi Michio
Watanabe Kubo Nakanishi