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Class Information
Number: 530/502
Name: Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof > Lignins or derivatives > Compound which includes phenolic hydroxy or oxygen containing hetero ring reacted with a lignin or lignin containing substance, or product thereof
Description: Processes wherein a lignin or a lignin-containing substance is reacted with a compound having hydroxy bonded directly to a benzene ring or with a compound having an oxygen-containing hereto ring, or the reaction products thereof.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7498422 |
Lignophenol derivative, polymer, resin composition, and molded resin |
Mar. 3, 2009 |
| 7323501 |
Lignin derivatives, molded products using the same and processes for making the same |
Jan. 29, 2008 |
| 7276591 |
Biomass resin composition, process for preparing the same and molding material using the biomass composition |
Oct. 2, 2007 |
| 7238374 |
Process and substances for the release of a growth-regulating factor from endothelial cells |
Jul. 3, 2007 |
| 6841660 |
Lignin derivatives, molded products using the same and processes for making the same |
Jan. 11, 2005 |
| 6632912 |
Process for preparing a black liquor-phenol formaldehyde thermoset resin |
Oct. 14, 2003 |
| 6632931 |
Lignin derivatives, moldings produced by using the derivative, and process for the preparation thereof |
Oct. 14, 2003 |
| 6586166 |
Ionic liquids as addenda in photothermographic systems |
Jul. 1, 2003 |
| 6410674 |
INTERMEDIATE PRODUCT FOR MANUFACTURING LIGAIN POLYMERS AND IT'S USE IN MANUFACTURING REAGENTS FOR MAKING COMPOSITE MATERIALS FROM PLANT FIBERS, WATERPROOF PAPERS AND CARDBOARDS, AND THERMOSETT |
Jun. 25, 2002 |
| 6207808 |
Catalytic method for the preparation of lignin phenol surfactants in organic solvents |
Mar. 27, 2001 |
| 6100385 |
Catalytic method for the preparation of lignin phenol surfactants in organic solvents |
Aug. 8, 2000 |
| 6054562 |
Modified lignins |
Apr. 25, 2000 |
| 5756098 |
Methods for the extraction of phytochemicals from fibrous plants in the absence of solvent |
May. 26, 1998 |
| 5705542 |
Waste liquor derived from chemical thermal pulping of particle boards and fibreboards containing bonding agents |
Jan. 6, 1998 |
| 5686512 |
Process for manufacturing a surfactant from paper-making black liquor resin for exploitation of petroleum |
Nov. 11, 1997 |
| 5608040 |
Process for the production of lignin-containing polymers |
Mar. 4, 1997 |
| 5569446 |
Radiohalogenation of proteins using trihalophenyl derivatives |
Oct. 29, 1996 |
| 5554596 |
Virus inhibiting composition |
Sep. 10, 1996 |
| 5446133 |
Nitric acid oxidized lignosulfonates |
Aug. 29, 1995 |
| 5344921 |
Method for manufacturing lignin for carbon fiber spinning |
Sep. 6, 1994 |
| 5230814 |
Hydrocarbon recovery comprising injecting a slug comprising oil soluble alkoxylated surfactants from lignin |
Jul. 27, 1993 |
| 5229294 |
"Kappa" number calibration standard |
Jul. 20, 1993 |
| 5202403 |
Lignin modified phenol-formaldehyde resins |
Apr. 13, 1993 |
| 5177169 |
Method for recovering and using lignin in adhesive resins |
Jan. 5, 1993 |
| 5110915 |
Process for preparation of lignocellulose phenolic compound composite product |
May. 5, 1992 |
| 5102991 |
Alkylene oxide esters of lignin sulfonic acid |
Apr. 7, 1992 |
| 5102992 |
Method of producing prepolymers from hydroxyalkyl lignin derivatives |
Apr. 7, 1992 |
| 5066790 |
Method of producing star-like polymers from lignin |
Nov. 19, 1991 |
| 4925923 |
Lignin having chemically bound sulfur and phosphorus groups mainly as thiophosphate, using phosphorus pentasulfide |
May. 15, 1990 |
| 4918167 |
Method of producing prepolymers from hydroxyalkyl lignin derivatives |
Apr. 17, 1990 |
| 4857638 |
Lignin having nitrogen and sulfur and process therefor employing thiourea |
Aug. 15, 1989 |
| 4781251 |
Recovering hydrocarbons with water soluble alkylphenol lignin surfactants |
Nov. 1, 1988 |
| 4769434 |
Lignin derivative polymers |
Sep. 6, 1988 |
| 4739040 |
Surfactants from lignin |
Apr. 19, 1988 |
| 4731491 |
Process for liquefaction of lignin |
Mar. 15, 1988 |
| 4719291 |
Phenolic compound-modified spent sulfite liquor and process for preparing same |
Jan. 12, 1988 |
| 4578456 |
Ethoxylated lignite composition and method of preparing |
Mar. 25, 1986 |
| 4546173 |
Selective crosslinking of low molecular weight sulfonated lignins and lignosulfate products produced thereby |
Oct. 8, 1985 |
| 4236579 |
Modified lignosulfonates as additives in oil recovery processes involving chemical recovery agents |
Dec. 2, 1980 |
| 4219471 |
Lignosulfonate derivatives |
Aug. 26, 1980 |
| 4184845 |
Process for reduction of lignin color |
Jan. 22, 1980 |
| 4131573 |
Process for making lignin gels in bead form |
Dec. 26, 1978 |
| 4127544 |
Process for the partial substitution of ammonium lignosulfonate for phenol in phenolic-aldehyde resin adhesives |
Nov. 28, 1978 |
| 4017474 |
Polyurethane intermediates and products and methods of producing same from lignin |
Apr. 12, 1977 |
| 4017430 |
Coating composition |
Apr. 12, 1977 |
| 4007004 |
Dyestuff filler derived from kraft black liquor |
Feb. 8, 1977 |
| 4001202 |
Process for making sulfonated lignin surfactants |
Jan. 4, 1977 |
| 3984363 |
Polymerizable lignin derivatives |
Oct. 5, 1976 |
| 3956261 |
Lignin adducts |
May. 11, 1976 |
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