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Class Information
Number: 528/310
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
Description: Subject matter involves a polymer derived from an imide, lactam, or from an amino-nitrogen-containing carboxylic acid or from a derivative of an amino-nitrogen-containing carboxylic acid.










Sub-classes under this class:

Class Number Class Name Patents
528/331 Aryl-containing reactant 300
528/330 Cycloaliphatic ring-containing reactant 78
528/328 From n-c-(c=o)-oh containing reactant or acid derivative thereof, e.g., alpha amino acid, etc. 373
528/327 Heterocyclic reactant or a reactant which contains a nitrogen atom bonded directly to another nitrogen atom 224
528/322 Imide-containing reactant 1,040
528/323 Lactam-containing reactant 462
528/321 Phosphorus- or sulfur-containing reactant 269
528/312 Polymerizing in the presence of a specified material other than reactant 272
528/329.1 With two or more reactants one of which is a carboxylic acid or derivative thereof which is devoid of an amine group and one reactant which is a polyamine which is devoid of a carboxylic acid group or carboxylic acid derivative group 150


Patents under this class:

Patent Number Title Of Patent Date Issued
8710173 Blend polymer gas separation membrane Apr. 29, 2014
8703901 Transparent, highly heat-resistant polyimide precursor and photosensitive polyimide composition thereof Apr. 22, 2014
8703879 Continuous method for multi-staged drying and subsequent condensation of a polyamide granulate Apr. 22, 2014
8686106 Polyamic acid solution composition having carbon black dispersed therein, process for production of semiconductive polyimide resin belt using the composition, and semiconductive polyimide resi Apr. 1, 2014
8669344 Method of deashing from polymer solutions Mar. 11, 2014
8664350 Polymeric coupling agents Mar. 4, 2014
8664339 Organic semiconducting polymers Mar. 4, 2014
8658756 Caprolactam-based composition, process for manufacturing an impermeable element, and tank Feb. 25, 2014
8658148 Chemically modified dendrimers Feb. 25, 2014
8653286 Intermediates useful in the preparation of maleimide functionalized polymers Feb. 18, 2014
8642716 Branched polyamides comprising unsaturated ends Feb. 4, 2014
8637610 Crosslinked polymers containing biomass derived materials Jan. 28, 2014
8623992 Polyalkylene glycol ester intermediate transfer members Jan. 7, 2014
8618244 Preparation method of polybenzoxazoles by thermal rearrangement, polybenzoxazoles prepared thereby, and gas separation membrane comprising the same Dec. 31, 2013
8614288 Polyimide gas separation membranes Dec. 24, 2013
8609784 Water-soluble polyaminoamides as sunscreen agents Dec. 17, 2013
8598307 Phosphorus-containing compounds and their preparation process and use Dec. 3, 2013
8598303 Process to produce valerolactone from levulinic acid Dec. 3, 2013
8581000 Process for preparing amide gellant compounds with aromatic end groups Nov. 12, 2013
8580913 Polyimide resin Nov. 12, 2013
8575301 Absorbable polymer formulations Nov. 5, 2013
8561812 Blend polymer membranes comprising thermally rearranged polymers derived from aromatic polyimides containing ortho-positioned functional groups Oct. 22, 2013
8557231 Biodegradable poly(beta-amino esters) and uses thereof Oct. 15, 2013
8546516 Transparent polyimide-polyester compositions, method of manufacture, and articles thereof Oct. 1, 2013
8541540 Continuous process for the extraction of polyamide-6 Sep. 24, 2013
8541099 Heat-resistant resin Sep. 24, 2013
8536298 Precipitative process to prepare polyimides Sep. 17, 2013
8530611 Biodegradable photoluminescent polymers Sep. 10, 2013
8519058 Crosslinked polymers containing biomass derived materials Aug. 27, 2013
8513376 Polyamides and amidoamines from selectively modified amine amines Aug. 20, 2013
8513375 Imide-linked maleimide and polymaleimide compounds Aug. 20, 2013
8513373 Process for production of polyimide film having high adhesiveness Aug. 20, 2013
8512281 Angioplasty medical devices made of elastomeric material Aug. 20, 2013
8507639 Radiopaque amide polymers and medical devices formed thereof Aug. 13, 2013
8501898 Method of forming a polyamide Aug. 6, 2013
8497344 Process for making DAPBI-containing aramid crumbs Jul. 30, 2013
8492507 Acetylenic polyamide Jul. 23, 2013
8492506 Polyimide resin composition, polyimide precursor resin composition for the same, production method thereof, and polyimide film and production method thereof Jul. 23, 2013
8492504 Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents Jul. 23, 2013
8487064 Polymer compounds and a preparation method thereof Jul. 16, 2013
8481672 Mercaptofunctional high .mu..beta. EO chromophores and high Tg, low optical loss, covalently bonded, high .mu..beta. EO chromophore containing polymers and methods of synthesizing EO materials Jul. 9, 2013
8470959 Polyimide compound, preparation method therefor, and optical film and optical waveguide produced by employing the compound Jun. 25, 2013
8470412 Liquid crystal alignment agent, liquid crystal alignment film manufactured using the same, and liquid crystal display device including the liquid crystal alignment film Jun. 25, 2013
8461289 Bioresorbable polymers synthesized from monomer analogs of natural metabolites Jun. 11, 2013
8450447 Copolyesteramides with decreased perfection of the amide sequence May. 28, 2013
8449978 Insulated wire and insulating varnish used therefor May. 28, 2013
8445627 Alkylene-dicarboxylate-containing biodegradable poly(ester-amides) and methods of use May. 21, 2013
8445603 Linear polyesteramides from aminophenolic esters May. 21, 2013
8445017 Biodegradable cross-linked cationic multi-block copolymers for gene delivery and methods of making thereof May. 21, 2013
8436132 Photoactive materials May. 7, 2013











 
 
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