57 ABSTRACT A dental-porcelain color matching system comprises a plurality of dental-porcelain beads arranged in a closely spaced manner on a common suppor...
use of this polyamideimide solution for the preparation of wire enamels, to the wire enamels in question, and to the enamelled wires coated therewith.TOED...
PURPOSE:To obtain the subject polymer, having isocyanurate groups, well balanced in characteristics and useful as wire enamels, etc., at a low cost by reac...
A dental-porcelain color matching system comprises a plurality of dental-porcelain beads arranged in a closely spaced manner on a common support so that their colors vary in an ordered manner. The beads are carried at the ends of arms wh...
The present invention relates to a polyamideimide resin solution preparable by reacting (a) aromatic polycarboxylic acids and/or their anhydrides with (b) aromatic imide- and amide-forming components in cresol at temperatures above 170掳...
(C. 106-285) 8 Clains. 1. This invention relates to a synthetic drying oil Composed of an oily copolymer of butadiene and styrene combined with a small amo...
The present invention relates to a polyamideimide resin solution preparable by reacting (a) aromatic polycarboxylic acids and/or their anhydrides with (b) ...
1. An electrical conductor having an insulating coating of a polyester resin Which is the reaction product of polycarboxylic acid comprising benzene tricarboxylic acid and polyhydric alcohol comprising at least about 80 mol percent of a ...