| http://www.w3.org/ns/prov#value | - ers for obtaining the polyester resin or polyester unit may also include polyhydric alcohols such as glycerol, pentaerythritol, sorbitol, sorbitan, and also polyhydric alcohols such as oxyakylene ethers of, e.g., novolak phenol resins; and polybasic carboxylic acids such as trimellitic acid, pyromellitic acid and benzophenonetetracarboxylic acid, and anhydrides thereof. [0034] In the hybrid resin,
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