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Class Information
Number: 528/327
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From carboxylic acid or derivative thereof > From imide- or lactam-containing compound, or from an amino-nitrogen containing carboxylic acid, or derivative of an amino-nitrogen-containing carboxylic acid > Heterocyclic reactant or a reactant which contains a nitrogen atom bonded directly to another nitrogen atom
Description: Subject matter wherein at least one reactant contains a heterocyclic ring atom, or wherein one reactant contains at least one nitrogen atom bonded directly to another nitrogen atom.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7504475 |
Process for a two stage melt polymerization for the production of polybenzimidazole |
Mar. 17, 2009 |
| 7244803 |
Poly-o-hydroxyamide, polybenzoxazole from the poly-o-hydroxyamide, electronic component including a polybenzoxazole, and processes for producing the same |
Jul. 17, 2007 |
| 7205366 |
Hole transport polymers and devices made with such polymers |
Apr. 17, 2007 |
| 7173102 |
Facially amphiphilic polymers as anti-infective agents |
Feb. 6, 2007 |
| 7138483 |
Monomers, conjugated polymers and electronic devices using such polymers |
Nov. 21, 2006 |
| 7064176 |
Coating material for electronic components |
Jun. 20, 2006 |
| 7060782 |
Process for a two stage melt polymerization for the production of polybenzimidazole having an improved solid state polymerization |
Jun. 13, 2006 |
| 7038007 |
Process for a continuous polymerization for the production of high molecular weight polybenzimidazole |
May. 2, 2006 |
| 7030206 |
Polymer electrolyte and proton-conducting membrane |
Apr. 18, 2006 |
| 7022808 |
Polymers |
Apr. 4, 2006 |
| 7005185 |
Quick cure carbon fiber reinforced epoxy resin |
Feb. 28, 2006 |
| 6998464 |
Method for producing a solution consisting of a polymer containing recurrent azole units, solutions produced according to said method and use of the same |
Feb. 14, 2006 |
| 6987163 |
Modified polybenzimidazole (PBI) membranes for enhanced polymer electrochemical cells |
Jan. 17, 2006 |
| 6979719 |
Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group |
Dec. 27, 2005 |
| 6900284 |
POLY-O-HYDROXYAMIDES, POLYBENZOXAZOLES, PROCESSES FOR PRODUCING POLY-O-HYDROXYAMIDES, PROCESSES FOR PRODUCING POLYBENZOXAZOLES, DIELECTRICS INCLUDING A POLYBENZOXAZOLE, ELECTRONIC COMPONENTS I |
May. 31, 2005 |
| 6828412 |
Degradable polymers |
Dec. 7, 2004 |
| 6750317 |
Material and additive for highly crosslinked chemically and thermally stable polyhydroxyamide polymers |
Jun. 15, 2004 |
| 6740633 |
Polyelectrolyte complexes and a method for production thereof |
May. 25, 2004 |
| 6642347 |
Amine-terminated hyperbranched quinoxaline-amide polymers |
Nov. 4, 2003 |
| 6586561 |
Rigid rod ion conducting copolymers |
Jul. 1, 2003 |
| 6569954 |
Composites from blends of advanced oligomers |
May. 27, 2003 |
| 6518392 |
Dielectric compositions, preparation thereof, and integrated circuit devices fabricated therewith |
Feb. 11, 2003 |
| 6410677 |
Resin composition for insulating material, and insulating material produced from said resin composition |
Jun. 25, 2002 |
| 6355357 |
Flexible printed board, polyamic acid and polyamic acid varnish containing same |
Mar. 12, 2002 |
| 6340739 |
Polyamide and process for producing the same |
Jan. 22, 2002 |
| 6288208 |
Highly branched oligomers, process for their preparation and applications thereof |
Sep. 11, 2001 |
| 6235868 |
Porphyrinogenic resin systems and polymers derived therefrom |
May. 22, 2001 |
| 6228977 |
Nonlinear optically active copolymers |
May. 8, 2001 |
| 6204356 |
Polybenzoxazole resin and precursor thereof |
Mar. 20, 2001 |
| 6171819 |
Acyl transfer with stabilized transition complex using catalyst with catalytic imidazole (e.g. histidine) function |
Jan. 9, 2001 |
| 6153350 |
Polybenzoxazole and polybenzothiazole precursors |
Nov. 28, 2000 |
| 6147183 |
Amphoteric amine based polymers having a net cationic charge and process for their production |
Nov. 14, 2000 |
| 6132852 |
Multilayer wiring substrate and method for production thereof |
Oct. 17, 2000 |
| 6133405 |
Polyalkanolamide tackifying resins for creping adhesives |
Oct. 17, 2000 |
| 6133661 |
Rotating electric machine usable in radioactive environment |
Oct. 17, 2000 |
| 6120970 |
Polybenzoxazole and polybenzothiazole precursors |
Sep. 19, 2000 |
| 6111056 |
Cyclic amine based polymers and process for their production |
Aug. 29, 2000 |
| 6100366 |
Cyclic imino ether group containing polymer and production process therefor |
Aug. 8, 2000 |
| 6063961 |
Process for preparing cocondensates of aspartic acid amines |
May. 16, 2000 |
| 6025457 |
Molten-salt type polyelectrolyte |
Feb. 15, 2000 |
| 6015631 |
Luminescent compound for an electroluminescence display device |
Jan. 18, 2000 |
| 5998573 |
Amino resin composition |
Dec. 7, 1999 |
| 5998569 |
Environmentally stable optical filter materials |
Dec. 7, 1999 |
| 5990269 |
Copolymer of vinylpyrrolidone and vinylimidazole |
Nov. 23, 1999 |
| 5959070 |
Rigid rod and ladder polymers; a process for making said polymers; a process of producing light using said polymers; and light emitting devices employing said polymers |
Sep. 28, 1999 |
| 5942588 |
Aqueous alkyldiketene dispersions and their use as size for paper |
Aug. 24, 1999 |
| 5939513 |
Methods of removing pigment stain using detergent compositions containing polyamine N-oxide polymers |
Aug. 17, 1999 |
| 5932688 |
Polybenzimidazole material with low metallic concentration and a process for production thereof |
Aug. 3, 1999 |
| 5919893 |
Polyesteramide, its preparation and surgical devices fabricated therefrom |
Jul. 6, 1999 |
| 5917004 |
Weather-resistant polyamides and method of their production |
Jun. 29, 1999 |
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