ApplicationNo. 05/824731 filed on 08/15/1977
US Classes:51/298, WITH SYNTHETIC RESIN524/600, Carboxylic acid contains three or more acid groups or derivative thereof525/432, Mixed with additional polycarboxylic acid and a polyamine; amino carboxylic acid or derivative; polyamine salt of a polycarboxylic acid; lactam; or polymer derived therefrom525/436Solid polymer derived from compound containing more than two carboxylic acid groups or derivatives thereof
ExaminersPrimary: Lieberman, Paul
Attorney, Agent or Firm
International ClassesC08G 73/10 (20060101)
C08G 73/00 (20060101)
AbstractAn abrasive article comprising a filler distributed in a matrix or binder of polyimide polymeric material of a crosslinked combination of two linear aromatic polyimide polymers. These articles exhibit a retention of physical properties at high temperatures.