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Class Information
Number: 525/50
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Mixing of two or more solid polymers; mixing of solid polymer or sicp with sicp or spfi; mixing of sicp with an ethylenic agent; mixing of solid polymer with a chemical treating or ethylenic agent; or processes of forming or reacting; or the resultant product of any of the above operations
Description: Subject matter under Class 520, ... which involves the mixing of a solid polymer with solid polymers, with a specified intermediate condensation product (SICP), with specified polymer-forming ingredients (SPFI), with an ethylenic reactant, or with a chemical treating agent; or the mixing of a specified intermediate condensation product with a diverse specified intermediate condensation product, with specified polymer-forming ingredients, or with an ethylenic reactant; or processes of producing, or the resultant product of any of the above mixtures. The above combinations may be tabulated in a more easily recognizable form as follows in (1) Note below.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 525/389 |
Solid polymer derived from reactant containing atoms other than c, h, n, si, p, chalcogen, halogen, or an alkali or alkaline earth metal in salt form |
78 |
| 525/390 |
Solid polymer derived solely from phenolic reactants wherein none of the reactants contains a plurality of methylol groups or derivatives thereof |
285 |
| 525/398 |
Solid polymer derived from aldehyde, aldehyde derivative, or liquid polymer thereof as sole reactant and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof |
235 |
| 525/403 |
Solid polymer is derived from 1,2-epoxy compound containing only one 1,2 epoxy group as sole reactant and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof |
440 |
| 525/410 |
Solid polymer derived from hetero-o-cyclic compounds as sole reactants wherein at least one reactant contains a hetero-o-ring other than solely as a 1,2-epoxy or anhydride, and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof |
207 |
| 525/416 |
Solid polymer derived from hydrocarbon or halogenated hydrocarbon as sole reactant or mixture thereof |
93 |
| 525/417 |
Solid polymer derived from heterocyclic materials as sole reactants wherein each of the heterocyclic materials contains a hetero ring other than solely as a lactam, 1,2-epoxy or carboxylic acid anhydride and wherein none of the reactants contains a plurality of methylol groups or derivatives thereof |
214 |
| 525/418 |
Solid polymer derived from at least one carboxylic acid or derivative |
335 |
| 525/452 |
Solid polymer derived from -n=c=x reactant (x is chalcogen) |
457 |
| 525/461 |
Solid polymer derived from o-c(=o)-o- or hal-c(=o)-containing reactant |
155 |
| 525/471 |
Solid polymer derived from ketone reactant and wherein none of the reactants forming the solid polymer contains an aldehyde group or is an aldehyde-type reactant or polymer derived therefrom |
286 |
| 525/472 |
Solid polymer derived from aldehyde or aldehyde-type reactant and wherein none of the reactants forming the solid polymer contains a phenol-, amine-, -n=c=x, -n-s(=o)- or ketone group or a condensate thereof except when an amine group appears in hexamethylenetetramine or a derivative thereof (x is chalcogen) |
142 |
| 525/474 |
Solid polymer derived from silicon-containing reactant |
932 |
| 525/480 |
Solid polymer or specified intermediate condensation product derived from at least one phenolic reactant and at least one aldehyde or aldehyde-type reactant or polymer therefrom |
299 |
| 525/509 |
Solid polymer or sicp derived from at least one amine-, n-c(=x)- or n-s(=o) containing reactant and at least one aldehyde or aldehyde-type reactant (x is chalcogen) |
316 |
| 525/51 |
Effecting a change in a process in response to a measurement or test |
26 |
| 525/52 |
Utilizing a tubular or loop reactor |
63 |
| 525/521 |
Solid polymer or sicp derived from at least one ketone reactant and at least one aldehyde or aldehyde derivative reactant |
37 |
| 525/523 |
Solid polymer contains more than one 1,2-epoxy group or is derived from reactant containing at least one 1,2-epoxy group |
1,024 |
| 525/53 |
Utilizing an apparatus with two or more physically distinct zones |
303 |
| 525/534 |
Solid polymer derived from phenolic reactant |
544 |
| 525/535 |
Solid polymer derived from sulfur-containing reactant |
448 |
| 525/538 |
Solid polymer derived from phosphorus-containing reactant |
142 |
| 525/539 |
Solid polymer derived from at least one unsaturated reactant and at least one saturated reactant |
263 |
| 525/54 |
Removing and recycling material from one zone to another |
51 |
| 525/54.1 |
Containing chemically combined protein or biologically active polypeptide |
611 |
| 525/54.2 |
Previously formed solid polymer chemically reacted with carbohydrate or derivative |
308 |
| 525/54.3 |
Previously formed solid polymer containing chemically combined carbohydrate admixed with a chemical treating or ethylenic agent, spfi, sicp, or solid polymer |
185 |
| 525/54.4 |
Containing chemically combined natural resin or derivative thereof other than tall oil |
55 |
| 525/54.5 |
Chemically combined coal, bituminous material, extract, or derivative thereof; oil shale; or fatty still residue |
85 |
| 525/540 |
Solid polymer derived from nitrogen-containing reactant |
435 |
| 525/55 |
At least one solid polymer derived from ethylenic reactants only |
210 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605209 |
Coating compositions containing reactive diluents and methods |
Oct. 20, 2009 |
| 7582704 |
Biomedical devices |
Sep. 1, 2009 |
| 7538156 |
Fluoropolymer-based masterbatch and its use for the extrusion of polyolefins |
May. 26, 2009 |
| 7538160 |
Trifluorovinyl aromatic containing poly(alkyl ether) prepolymers |
May. 26, 2009 |
| 7534836 |
Biomedical devices |
May. 19, 2009 |
| 7524902 |
Core-shell particle composition, method, and article |
Apr. 28, 2009 |
| 7514478 |
Solid, radiation-curing binders with reactive thinners |
Apr. 7, 2009 |
| 7511094 |
Water-soluble polymer alkanals |
Mar. 31, 2009 |
| 7491769 |
Rubber composition and article |
Feb. 17, 2009 |
| 7442823 |
Silanyl-n-alkanal compounds, method for production and use thereof |
Oct. 28, 2008 |
| 7435780 |
Poly(arylene ether) compositions and methods of making the same |
Oct. 14, 2008 |
| 7432331 |
Hydrolytically stable maleimide-terminated polymers |
Oct. 7, 2008 |
| 7432330 |
Hydrolytically stable maleimide-terminated polymers |
Oct. 7, 2008 |
| 7427430 |
Polyamide blend composition having excellent gas barrier performance |
Sep. 23, 2008 |
| 7402634 |
Perfluorocyclobutane copolymers |
Jul. 22, 2008 |
| 7375162 |
Filled propylene polymer compositions having improved melt strength |
May. 20, 2008 |
| 7358303 |
Composition comprising at least one first semi-crystalline polymer and at least one second film-forming polymer |
Apr. 15, 2008 |
| 7358302 |
Composition for light-scattering film and light-scattering film using the same |
Apr. 15, 2008 |
| 7357990 |
Polymeric fluorescent material, process for producing the same, and polymeric luminiscent element |
Apr. 15, 2008 |
| 7323511 |
Post-coupling synthetic approach for polymeric antioxidants |
Jan. 29, 2008 |
| 7291673 |
Conjugate addition reactions for the controlled delivery of pharmaceutically active compounds |
Nov. 6, 2007 |
| 7285595 |
Synergistic fluorochemical treatment blend |
Oct. 23, 2007 |
| 7279524 |
Method for doping a polymer |
Oct. 9, 2007 |
| 7235592 |
PVA hydrogel |
Jun. 26, 2007 |
| 7186355 |
Insulated nanoscopic pathways, compositions and devices of the same |
Mar. 6, 2007 |
| 7163677 |
Cationic polymers having degradable crosslinks |
Jan. 16, 2007 |
| 7157546 |
Water-soluble polymer alkanals |
Jan. 2, 2007 |
| 7101937 |
Dendritic based macromolecules |
Sep. 5, 2006 |
| 7078461 |
Biocompatible dendrimers |
Jul. 18, 2006 |
| 7074484 |
Materials having shape-memory |
Jul. 11, 2006 |
| 7049005 |
Organic compositions |
May. 23, 2006 |
| 7019058 |
Halogenated elastomeric compositions having enhanced viscosity |
Mar. 28, 2006 |
| 7011924 |
Photoresist polymers and photoresist compositions comprising the same |
Mar. 14, 2006 |
| 7008999 |
Method for doping a polymer |
Mar. 7, 2006 |
| 7009006 |
Crosslinkable composition |
Mar. 7, 2006 |
| 6998178 |
Organic compositions |
Feb. 14, 2006 |
| 6994964 |
Macromolecular arrays on polymeric brushes and methods for preparing the same |
Feb. 7, 2006 |
| 6986902 |
Polyanionic polymers which enhance fusogenicity |
Jan. 17, 2006 |
| 6946518 |
Composition comprising at least one first semi-crystalline polymer and at least one second film-forming polymer |
Sep. 20, 2005 |
| 6933421 |
Methods of making disposable products having humidity activated materials with shape-memory |
Aug. 23, 2005 |
| 6884746 |
Catalysts for olefin polymerization and method of olefin polymerization using the same |
Apr. 26, 2005 |
| 6858666 |
Organogel particles |
Feb. 22, 2005 |
| 6825281 |
Thermoplastic compositions for halogenated elastomers |
Nov. 30, 2004 |
| 6821921 |
Catalyst compounds with .beta.-diiminate anionic ligands and processes for polymerizing olefins |
Nov. 23, 2004 |
| 6815496 |
Thermoplastic elastomer composition, and formed article and composite formed article using the same |
Nov. 9, 2004 |
| 6800581 |
Catalyst composition for polymerization of olefins and process using the composition |
Oct. 5, 2004 |
| 6797773 |
Catalytic materials for selective oxidation of alcohols, process for production thereof and their use in alcohol oxidation process |
Sep. 28, 2004 |
| 6777083 |
Plastic optical fiber, optical fiber cable, optical fiber cable with plug, method for producing methyl methacrylate based polymer and method for producing plastic optical fiber |
Aug. 17, 2004 |
| 6767479 |
Cross-linking mixtures of beta-hydroxyalkylamide and compound of formula (II) and their use thereof |
Jul. 27, 2004 |
| 6756440 |
Fire resistant resin composition and electrical wire having fire resistant covering |
Jun. 29, 2004 |
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