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Class 530/502 - Compound which includes phenolic hydroxy or oxygen containing hetero ring reacted with a lignin or lignin containing substance, or product thereof


Subclass of Class 530 - Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
Definition: Processes wherein a lignin or a lignin-containing substance
No. of patents: 55
Last issue date: 07/26/2011


1    
NumberTitleIssue Date
7985847Recovery of lignin and water soluble sugars from plant materials
In one aspect, a process for treating woody plant material is provided, the process involving contacting the plant material with a continuous flow of an aqueous ethanol solution at elevated temperature and pressure under conditions that promote extraction of ethanol...
07/26/2011
7649086Integrated processing of plant biomass
An integrated process for the production of ethanol from woody plant material is provided, the process comprising: contacting a continuous flow of the plant material with a counter-current continuous flow of an aqueous ethanol solution at elevated temperature and pr...
01/19/2010
7498422Lignophenol derivative, polymer, resin composition, and molded resin
A lignophenol derivative is represented by Formula (1): wherein X1, X2 and X3 each independently represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy ...
03/03/2009
7323501Lignin derivatives, molded products using the same and processes for making the same
The present invention provides a process for producing novel lignin derivatives, which comprises using a lignophenol derivative containing a diphenylpropane unit formed by binding a carbon atom at an ortho-position relative to a phenolic hydroxyl group of a phenol d...
01/29/2008
7282636Application of lignin derivatives to photoelectric transducer and photoelectrochemical cell
The invention regards application of lignin derivatives to a photoelectric transducer. The photoelectric transducer of the invention includes a semiconductor film as a thin film electrode, that is photosensitized by one or multiple lignin derivatives selected from t...
10/16/2007
7276591Biomass resin composition, process for preparing the same and molding material using the biomass composition
The present invention relates to biomass resin composition comprising a phenolized biomass substance and a reactive substance having a melting point of at most 100° C. other than phenol. The biomass resin composition is prepared by a process, which comprises adding...
10/02/2007
7238374Process and substances for the release of a growth-regulating factor from endothelial cells
Endothelial cells have the natural property of releasing soluble factors into the fluid surrounding them, said factors altering the behavior of immune cells. In cell systems containing at least endothelial cells, the release of this type of factor, which promotes th...
07/03/2007
7138541Surface coating agents
Compounds useful as surface coating agents, including compounds of the formula: wherein X1 comprises a first photoreactive species; X2 comprises a second photoreacti...
11/21/2006
6924390Surface coating agents
Compounds useful as surface coating agents, including compounds of the formula: wherein X1 comprises a first photoreactive species; X2 comprises a second photoreactive species; Y comprises a nonpo...
08/02/2005
6841660Lignin derivatives, molded products using the same and processes for making the same
The present invention provides a process for producing novel lignin derivatives, which comprises using a lignophenol derivative containing a diphenylpropane unit formed by binding a carbon atom at an ortho-position relative to a phenolic hydroxyl group of a phenol d...
01/11/2005
6632931Lignin derivatives, moldings produced by using the derivative, and process for the preparation thereof
The present invention provides a process for producing novel lignin derivatives, which comprises using a lignophenol derivative containing a diphenylpropane unit formed by binding a carbon atom at an ortho-position relative to a phenolic hydroxyl group of...
10/14/2003
6632912Process for preparing a black liquor-phenol formaldehyde thermoset resin
Disclosed is a process for preparing phenol-formaldehyde thermoset resin that can contain up to 80% by weight a black liquor, preferably a sodium carbonate black liquor. Black liquor are by-products extracted from pulping process, which normally contain l...
10/14/2003
6586166Ionic liquids as addenda in photothermographic systems
This invention involves use of ionic liquids as addenda in a photothermographic system. The presence of an ionic liquid was found to increase image density. A preferred ionic liquid comprises an organic cation associated with a suitable anion, which ionic...
07/01/2003
6410674INTERMEDIATE PRODUCT FOR MANUFACTURING LIGAIN POLYMERS AND IT'S USE IN MANUFACTURING REAGENTS FOR MAKING COMPOSITE MATERIALS FROM PLANT FIBERS, WATERPROOF PAPERS AND CARDBOARDS, AND THERMOSETTING PLASTICS FROM DERIVATIVES
The invention relates to an intermediate product for manufacturing polymers of lignin derivatives from the pulp industry, made by treating the lignin derivatives with phenol oxidizing enzymes in the presence of oxidation agents, characterized in that the ...
06/25/2002
6207808Catalytic method for the preparation of lignin phenol surfactants in organic solvents
A method of making surfactants from lignin is disclosed by reducing lignin in the presence of a metal oxide or iron based catalyst in an organic hydrogen donor solvent to produce lignin phenol and subjecting the lignin phenol to one or a combination of se...
03/27/2001
6100385Catalytic method for the preparation of lignin phenol surfactants in organic solvents
A method of making surfactants from lignin is disclosed by reducing lignin in the presence of a metal oxide or iron based catalyst in an organic hydrogen donor solvent to produce lignin phenol and subjecting the lignin phenol to one or a combination of se...
08/08/2000
6054562Modified lignins
Lignin and polyether glycol produces a product which has a distinct melt point and melt viscosity. Polyether glycol has a plasticizing effect wherein the lignin can be thought of as the hard resin. When 20 parts of polyether glycol are processed with 80 p...
04/25/2000
5756098Methods for the extraction of phytochemicals from fibrous plants in the absence of solvent
Methods and apparatus are provided for the recovery of organic compounds from fibrous plant materials. Organic compounds which can be recovered from the fibrous plant materials include plant metabolites, such as arabinogalactan and phenols, which can be i...
05/26/1998
5705542Waste liquor derived from chemical thermal pulping of particle boards and fibreboards containing bonding agents
The invention concerns the waste liquor from the chemical-thermal pulping of fibre boards and particle boards containing bonding agents. The waste liquor is produced through a procedure in which fibre boards and wood particle boards are first chopped into...
01/06/1998
5686512Process for manufacturing a surfactant from paper-making black liquor resin for exploitation of petroleum
The present invention discloses a process for manufacturing surfactants for hydrocarbon by modifying the paper making black liquor resin using modifying agents. The process is to react or combine an alkaline aqueous solution, chemical substances such as o...
11/11/1997
5608040Process for the production of lignin-containing polymers
Polymers containing lignin and organic compounds are produced by polymerizing the lignin with organic compounds containing at least 3 carbon atoms as well as oxygen, nitrogen and/or multiple-linkage functions in the presence of radically oxidizing enzymes...
03/04/1997
5569446Radiohalogenation of proteins using trihalophenyl derivatives
Compounds, useful as radiolabeling reagents, including a trihalogenated phenyl ring and having the formula ##STR1## wherein X1, X2 and X3 are halogens, one of which may be a radiohalogen, are disclosed. The invention ...
10/29/1996
5554596Virus inhibiting composition
A composite molecular active substance group for use in restitutive chemotherapy against viral infections, which is produced by the process comprising: (a) preparing lignin units by carrying out an extraction in an aqueous media under weakly acidic or alk...
09/10/1996
5446133Nitric acid oxidized lignosulfonates
A process for producing an oxidized lignosulfonate composition comprising admixing a lignosulfonate and nitric acid such that the amount of acid comprises from about 35% to about 100% by weight of dry solids of the lignosulfonate, and reacting said mixtur...
08/29/1995
5344921Method for manufacturing lignin for carbon fiber spinning
A method for manufacturing lignin for carbon fiber spinning, comprising subjecting to heat treatment in a non-oxidizing atmosphere a phenolated lignin obtained by phenolation of lignin dissolved out in delignification of a woody material, or a phenolated ...
09/06/1994
5230814Hydrocarbon recovery comprising injecting a slug comprising oil soluble alkoxylated surfactants from lignin
A method of producing oil soluble surfactants from lignin is disclosed, along with a method for recovering oil from underground formations by means of a surfactant flooding system containing these lignin surfactants. Lignin is reduced in the presence of a...
07/27/1993
5229294"Kappa" number calibration standard
Instruments for determining the degree of delignification corresponding to a sample of kraft or soda process digested wood pulp are calibrated with a predetermined quantity of refined lignin. For convenient use and application, a standardized solution com...
07/20/1993
5202403Lignin modified phenol-formaldehyde resins
A modified resole resin and an adhesive composition containing the resin wherein the resin is prepared by first reacting formaldehyde and a phenol at a mole ratio of formaldehyde to phenol of less than about 1.0 in the presence of alkaline in an amount su...
04/13/1993
5177169Method for recovering and using lignin in adhesive resins
Lignin, or a lignin derived material, which has been significantly demethylated (e.g., the demethylated lignin found in the raffinate produced as a by-product of dimethyl sulfide production which can be carried out using the spent liquor from wood pulping...
01/05/1993
5110915Process for preparation of lignocellulose phenolic compound composite product
A lignosellulose-phenolic compound composite product having a weight ratio of the lignocellulose material to the phenolic compound of 0.4/1.0 to 5.0/1.0 is prepared by heat-dissolving the lignocellulose material in a solvent comprising, as a main componen...
05/05/1992
5102992Method of producing prepolymers from hydroxyalkyl lignin derivatives
A method of producing prepolymeric materials from lignin is disclosed. The method uses lignin which has been hydroxyalkyl modified, such that the lignin is substantially non-phenolic and solvent soluble and/or liquid. The modified lignin is reacted with m...
04/07/1992
5102991Alkylene oxide esters of lignin sulfonic acid
Lignin sulfonates are converted into sulfonic acid esters by blocking free phenolic hydroxyl groups on the lignin sulfonates from reaction with a suitable protective group, subjecting the blocked lignin sulfonate in aqueous solution to ion exchange to pro...
04/07/1992
5066790Method of producing star-like polymers from lignin
A method of producing prepolymeric materials from lignin is disclosed. The method uses lignin which has been hydroxyalkyl modified, such that the lignin is substantially non-phenolic and solvent soluble and/or liquid. The modified lignin is reacted with m...
11/19/1991
4925923Lignin having chemically bound sulfur and phosphorus groups mainly as thiophosphate, using phosphorus pentasulfide
A product comprising, a water insoluble lignin material, at neutral or acid pH, having chemically bound a sulfur(S) content from at least 9.5%, and a phosphorus(P) content from 3.3 to 10%. At least 50% by weight of the S and P content is thiophosphate. In...
05/15/1990
4918167Method of producing prepolymers from hydroxyalkyl lignin derivatives
A method of producing prepolymeric materials from lignin is disclosed. The method uses lignin which has been hydroxyalkyl modified, such that the lignin is substantially non-phenolic and solvent soluble and/or liquid. The modified lignin is reacted with m...
04/17/1990
4857638Lignin having nitrogen and sulfur and process therefor employing thiourea
A product comprising lignin material having a N-content of at least 1.86% and a sulfur content of at least 3.1%, an IR in the vicinity of 1550 to 1670 cm-1 having a peak width of at least 60 cm-1. The product is also directed to such...
08/15/1989
4781251Recovering hydrocarbons with water soluble alkylphenol lignin surfactants
The invention is a method of recovering hydrocarbons with a surfactant flooding system, wherein the surfactant slug comprises about 0.1% to about 10% by weight of an alkylphenol lignin surfactant. The alkylphenol lignin surfactant is produced by reacting ...
11/01/1988
4769434Lignin derivative polymers
A polymer material of the product of reaction of a grass plant lignin derivative comprising lignin polymer fragments recovered from black liquor obtained in the pulping of grass plant material and containing an average of more than 0.4 sites per phenyl pr...
09/06/1988
4739040Surfactants from lignin
A method of producing surfactants from lignin is disclosed by reducing lignin in the presence of a carbon monoxide or hydrogen reducing agent at high temperature and pressure to produce low molecular weight lignin phenols and subjecting the lignin phenols...
04/19/1988
4731491Process for liquefaction of lignin
Liquefaction of lignin by hydrogenolysis in the presence of a catalytic composition of metal sulfides which are prepared in situ and in the presence of a lower aliphatic alcohol affords substantially increased yields of monophenols. When methanol is used ...
03/15/1988
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