ClassID:

99652

C08G73/1046 - page 2 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups  - ; Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule; Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors Polyimides containing oxygen in the form of ether bonds in the main chain

Recent Application in this class:
#301
20090297850
2009-12-03

HOLLOW FIBER, DOPE COMPOSITION FOR FORMING HOLLOW FIBER, AND METHOD OF MAKING HOLLOW FIBER USING THE SAME

#302
20090292128
2009-11-26

Production of low color polyetherimides

#303
20090292103
2009-11-26

Polyamic acid and polyimide

#304
20090286904
2009-11-19

POLYAMIC ACIDS DOPE COMPOSITION, PREPARATION METHOD OF HOLLOW FIBER USING THE SAME AND HOLLOW FIBER PREPARED THEREFROM

#305
20090286094
2009-11-19

Polyimide, polyamic acid and processes for the production thereof

#306
20090286087
2009-11-19

Thermosetting resin composition and use thereof

#307
20090286078
2009-11-19

POLYIMIDES DOPE COMPOSITION, PREPARATION METHOD OF HOLLOW FIBER USING THE SAME AND HOLLOW FIBER PREPARED THEREFROM

#308
20090282982
2009-11-19

Hollow fiber, dope composition for forming hollow fiber, and method of preparing hollow fiber using the same

#309
20090263639
2009-10-22

Light activatable polyimide compositions for receiving selective metalization, and methods and compositions related thereto

#310
20090258211
2009-10-15

Polyimide film made of multicomponent polyimide and process of producing the same

#311
20090252957
2009-10-08

THERMOPLASTIC POLYIMIDE, AND LAMINATED POLYIMIDE FILM AND METAL FOIL-LAMINATED POLYIMIDE FILM USING THE THERMOPLASTIC POLYIMIDE

#312
20090247725
2009-10-01

Methods for preparing oxydiphthalic anhydrides, oxydiphthalic anhydrides prepared thereby, and polyetherimides derived therefrom

#313
20090227744
2009-09-10

Separation membrane by controlled annealing of polyimide polymers

#314
20090202831
2009-08-13

Insulated wire and insulating varnish used therefor

#315
20090197999
2009-08-06

Flame retardant polyimide/polyester-polycarbonate compositions, methods of manufacture, and articles formed therefrom

#316
20090197110
2009-08-06

Polyimide film and adhesive film and flexible metal-clad laminate both obtained with the same

#317
20090192287
2009-07-30

Method of evaluating polymide dissolution rate, method of producing polymide, and polymide obtained using same methods

#318
20090191385
2009-07-30

Photosensitive resin composition and photosensitive film

#319
20090182116
2009-07-16

MANUFACTURE OF PHOSPHORUS-CONTAINING DIAMINES AND THEIR DERIVATIVES

#320
20090182114
2009-07-16

Tetracarboxylic acid compound, polyimide thereof, and production method thereof

#321
20090163691
2009-06-25

Method for purification of polyether polymers and mixtures resulting therefrom

#322
20090156753
2009-06-18

Silphenylene compound and process for producing the same

#323
20090143521
2009-06-04

Polyimide material and preparation method thereof

#324
20090137770
2009-05-28

POLYMIDE OPTICAL COMPENSATION FILMS

#325
20090099300
2009-04-16

Methods of making polymer blend compositions

#326
20090093608
2009-04-09

POLYIMIDE MATERIAL WITH IMPROVED THERMAL AND MECHANICAL PROPERTIES

#327
20090075198
2009-03-19

Photosensitive polyimide resin composition

#328
20090069531
2009-03-12

Polyimide Film

#329
20090068482
2009-03-12

Polyimide resin, polyimide film, and polyimide laminate

#330
20080319161
2008-12-25

Method of purifying a polymer

#331
20080287642
2008-11-20

Process for production of polyimide film having high adhesiveness

#332
20080281073
2008-11-13

High-Purity Oxydiphthalic Acid Anhydride and Process for Producing the Same

#333
20080219135
2008-09-11

Method for high density data storage and imaging

#334
20080146707
2008-06-19

Reinforced amorphous polymer composition

#335
20080145665
2008-06-19

Bis-carbazole monomers and polymers

#336
20070225479
2007-09-27

METHOD OF SEPARATING A POLYMER FROM A SOLVENT

#337
20070195682
2007-08-23

METHOD FOR HIGH DENSITY DATA STORAGE AND IMAGING

#338
20070043203
2007-02-22

Copolyetherimides

#339
20060063908
2006-03-23

Polyimide precursor liquid composition and polyimide coating film

#340
20050004323
2005-01-06

Polyimide resin for electrical insulating material