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Class Information
Number: 527/400
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From lignin, tannin, or derivative reactant
Description: Subject matter under Class 520, ... wherein a solid polymer is derived from lignin, tannin, or a derivative as a reactant and an ethylenic monomer, SPFI, or SICP; or process of preparing said polymer.

Sub-classes under this class:

Class Number Class Name Patents
527/401 With n=c=x reactant wherein x is chalcogen or polyepoxide reactant 28
527/403 With phenolic reactant 43

Patents under this class:
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Patent Number Title Of Patent Date Issued
8436120 Method of producing hodge carbonyls and oligomeric lignin May. 7, 2013
8414660 Haloferax volcanii laccase and variants and fragments thereof Apr. 9, 2013
8409403 Production of amino lignin and amino lignin cellulose resins and adhesives Apr. 2, 2013
8268121 Delignification of biomass containing lignin and production of amino lignin aldehyde resins and carbohydrates Sep. 18, 2012
8268102 Formaldehyde-free lignocellulosic adhesives and composites made from the adhesives Sep. 18, 2012
8192712 Carbon manufacturing method Jun. 5, 2012
8013130 Carbon-based solid acid, catalyst comprising the solid acid, and reaction using the solid acid as catalyst Sep. 6, 2011
7998351 Tannin based polymeric coagulants composition and method of use Aug. 16, 2011
7722841 Polymeric chelant and coagulant to treat metal-containing wastewater May. 25, 2010
7259192 Molecular weight reduction of polysaccharides by electron beams Aug. 21, 2007
7019046 Aqueous suspension agent for water insoluble compounds Mar. 28, 2006
6841644 Biopolymers obtained by solid state irradiation in an unsaturated gaseous atmosphere Jan. 11, 2005
6713034 Porous carbon electrode material, method for manufacturing the same, and carbon fiber paper Mar. 30, 2004
6706808 Binder compositions exhibiting reduced emissions Mar. 16, 2004
6632912 Process for preparing a black liquor-phenol formaldehyde thermoset resin Oct. 14, 2003
6610810 Biopolymers obtained by solid state irradiation in an unsaturated gaseous atmosphere Aug. 26, 2003
6596908 Process for the recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or cellulose-rich residues Jul. 22, 2003
6593460 Method for grafting lignin, polymerizates produced according to the method and the utilization thereof Jul. 15, 2003
6517933 Hybrid polymer materials Feb. 11, 2003
6420533 Method to separate sodium from lignins and produce a sodium containing solution for recycle Jul. 16, 2002
6339116 Methods of fabricating cross-linked biobased materials and structures fabricated therewith Jan. 15, 2002
6291558 Composition board binding material Sep. 18, 2001
6287708 Adhesive for fiber boards Sep. 11, 2001
6280855 Intermediate product for preparation of lignin polymers and use thereof for production of wood materials Aug. 28, 2001
6239198 Method for preparing alkaline solutions containing aromatic polymers May. 29, 2001
6072015 Lignin based paint Jun. 6, 2000
5977287 Treatment of aqueous systems using a chemically modified tannin Nov. 2, 1999
5916991 Composition and method for water clarification Jun. 29, 1999
5852069 Biodegradable plastics and composites from wood Dec. 22, 1998
5807952 Process for producing phenolic compounds from lignins Sep. 15, 1998
5763557 Grafting of a polymer onto cellophane by ultrasonic induced free radical polymerization Jun. 9, 1998
5741875 Biodegradable plastics and composites from wood Apr. 21, 1998
5719224 Compositions and methods for detackifying paint spray booth water Feb. 17, 1998
5684109 Composition comprising a tannin-containing copolymer Nov. 4, 1997
5665573 Polymerization of lignin at alkaline pH Sep. 9, 1997
5656708 Process for making graft copolymers from lignite and vinyl monomers Aug. 12, 1997
5648116 Methods for suppressing dust emissions Jul. 15, 1997
5614103 Methods for detackifying paint spray booth water Mar. 25, 1997
5608040 Process for the production of lignin-containing polymers Mar. 4, 1997
5591832 Benzylated lignocellulosic substance and a producing method thereof Jan. 7, 1997
5502088 Wood substitute based on lignocellulosic and inorganic materials, method for obtaining the same and use Mar. 26, 1996
5484895 Graft copolymers of vascular plants, method of making same and uses therefore Jan. 16, 1996
5424382 Biodegradable plastics and composites from wood Jun. 13, 1995
5417888 Tannin extraction and processing May. 23, 1995
5371194 Biomass derived thermosetting resin Dec. 6, 1994
5331088 Process for making graft copolymers from lignite and vinyl monomers Jul. 19, 1994
5194552 Soluble, solid or crosslinked graft copolymers of lignin (2-propenamide)-(2-methyl-3-oxo-4-oxybut-1-ene-(p-ethoxy-(3*p+3)-ol), methods of making the same and uses therefore Mar. 16, 1993
5177169 Method for recovering and using lignin in adhesive resins Jan. 5, 1993
5147964 Method for reducing fluid loss from oilfield cement slurries using vinyl grafted wattle tannin Sep. 15, 1992
5138007 Process for making graft copolymers from lignin and vinyl monomers Aug. 11, 1992

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