Y10S525/933 - CPC Classification Index

ClassID:

242879 ⎘

Y10S525/933 - CPC Classification

Classification description:

Synthetic resins or natural rubbers -- part of the class 520 series Blend of limited gas permeability

Recent Application in this class:

20090012253

Polybenzimidazole compounds

20090012190

Polymeric media comprising polybenzimidazoles N-substituted with organic-inorganic hybrid moiety

20050272859

Polybenzimidazole compounds, polymeric media, and methods of post-polymerization modifications