B29K2479/08 - CPC Classification Index

ClassID:

53618 ⎘

B29K2479/08 - CPC Classification

Classification description:

PI, i.e. polyimides or derivatives thereof

Sub-classes:

B29K2479/085 » {Thermoplastic polyimides, e.g. polyesterimides, polyetherimides [PEI], polyamideimides; Derivatives thereof} 0

Recent Application in this class:

20210356067

Method of manufacturing spacers for pipe-in-pipe systems and spacer for a pipe-in-pipe structure

20190161608

Resin composition

20150000527

Gas separation membrane comprising crosslinked thermally rearranged poly(benzoxazole-co-imide) and preparation method thereof