Patents for C08H 99 - Subject matter not provided for in other groups of this subclass (521) |
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08/23/1994 | US5340734 Method for making stable, extracellular tyrosinase and synthesis of polyphenolic polymers therefrom |
06/09/1994 | WO1994012644A2 Method for making stable, extracellular tyrosinase and synthesis of polyphenolic polymers therefrom |
06/07/1994 | CA1330062C Process for the oxidation of fine coal |
04/05/1994 | US5300677 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
03/22/1994 | US5296629 Recovering heavy metal from waste liquid by contacting with insoluble hydrolyzable tannin to adsorb metal on tannin, separating tannin, extracting metal with dilute mineral acid |
03/17/1994 | WO1994005249A1 Hair fixer based on lignin or lignin derivatives and dihydroxypropyl lignin |
03/03/1994 | DE4228897A1 Mittel zur Festigung der Haare auf der Basis von Lignin oder Ligninderivaten sowie Dihydroxypropyllignin Means for setting hair on the basis of lignin or lignin and dihydroxypropyl |
02/09/1994 | CN1081688A 5,10-methylentetrahydrofolic acid-cyclodextrin inclusion compounds |
02/08/1994 | US5284651 Oxidation of polyvalent phenols in aqueous alkaline media at controlled temperature yields nontoxic, nonmutagenic, nonteratogenic humic acid derivatives |
01/26/1994 | EP0579996A1 Inclusion compounds of 5,10-methylenetetrahydrofolic acid and cyclodextrin |
12/28/1993 | US5274169 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
11/04/1993 | DE4133920C1 Low protein, pectin rich cellular material prepn. - by alkaline extn. of de-juiced plant tissue, blanching, alkaline de-esterification, acid washing, washing to remove acid and drying |
09/28/1993 | US5248814 Oxidation of coal in a fluidized bed |
08/24/1993 | US5238680 Contacting bark with tannin-enriched aqueeous solution, slurrying, separating by pressure filtration, and multistage washing |
07/08/1993 | WO1993013137A1 Process for insolubilizing n-carboxyalkyl derivatives of chitosan |
07/08/1993 | WO1993012877A1 Low density materials having high surface areas and articles formed therefrom for use in the recovery of metals |
07/08/1993 | CA2125402A1 Process for insolubilizing n-carboxyalkyl derivatives of chitosan |
04/21/1993 | EP0537429A1 Modified huminates, process for obtaining the same and their uses |
04/21/1993 | EP0537427A1 Process for producing huminates |
04/07/1993 | EP0535234A1 Oxidation product of solid humified combustible mineral and method for obtaining it |
04/07/1993 | CN1070659A Method for extracting humic acid from cottonseed, bran, fat dregs |
04/01/1993 | DE4231610A1 Organic material for electronic elements - consists of bio-polymer with functional gps. which have electron transfer function, so that one mol. can act as switching or rectifying element |
03/17/1993 | EP0532080A1 Process for producing regenerated humic acids from coal |
03/17/1993 | EP0531866A1 Method of preparation of humic acid/metal compounds, their use as adsorption and/or decontaminating agent as trace element source |
03/14/1993 | CA2078068A1 Process for producing regenerated humic acids from coal |
02/10/1993 | EP0527096A2 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
02/08/1993 | CA2074796A1 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin |
10/14/1992 | EP0274523B1 Organophilic polyphenolic acid adducts |
10/01/1992 | WO1992016540A1 Oxidation product of solid humified combustible mineral and method for obtaining it |
09/08/1992 | CA1307255C Process for producing a huminate fraction |
04/22/1992 | EP0481396A2 Tannin extract of sweet chestnut wood, a process for the preparation thereof and its use |
04/14/1992 | CA1298831C Cationic and anionic lignin, amines |
03/04/1992 | EP0472531A1 Proanthocyanidol-based composition and its pharmacological application. |
02/26/1992 | EP0472474A1 Method for preparing a liquefied solution of ligno-cellulose substance with polyhydric alcohols |
02/25/1992 | CA1296144C Method for methylolation of lignin materials |
01/28/1992 | CA1294951C Process for the production of regenerated humic acids from coal |
01/21/1992 | CA1294609C Process for producing low molecular alkali metal huminates |
12/31/1991 | CA1293717C Low molecular alkali huminates, process of producing same and their use |
10/16/1991 | CN1014325B Method of producing ammonium humate and humic acid with furfural residues |
09/04/1991 | EP0444163A1 Tannin extraction |
07/23/1991 | US5034498 Method and apparatus for producing water-soluble resin and resin product made by that method |
07/09/1991 | CA1285746C Organophilic polyphenolic acid adducts |
05/07/1991 | US5013825 Sulfation of lignin |
02/21/1991 | WO1991001989A1 Tannin extraction |
01/20/1991 | WO1991001341A1 Method, apparatus and resin produced therefrom |
11/13/1990 | WO1990013304A1 Proanthocyanidol-based composition and its pharmacological application |
11/13/1990 | CA2057023A1 Proanthocyanidol composition and pharmacological use thereof |
10/02/1990 | US4960740 Adducts of smectite clay with phosphoglycerides, such as soybean lecithin; oil well working fluids |
09/11/1990 | US4956104 Organophilic polymers |
08/07/1990 | US4946829 Solidifying by adding alkaline substance without exceeding ph 7, centrifuging to obtain low molecular weight alkali metal or ammonium huminate |
07/17/1990 | US4942128 Microbial cellulose modified during synthesis |
05/01/1990 | US4921840 Method for the preparation of low molecular weight alkali metal huminates |
04/18/1990 | EP0364025A2 Process for extracting essentially aliphatic, low-molecular-weight fractions from regenerated humic acids from coal |
04/17/1990 | US4918059 Low molecular weight alkali metal huminates, method for their preparation and applications thereof |
03/27/1990 | US4912256 Process for the oxidation of fine coal |
02/06/1990 | CA1265514A1 Amine salts of lignosulfonates |
01/17/1990 | CN1006467B Thinners for use in aqueons drilling slurry |
12/26/1989 | US4889645 Quaterized with dicocodimethyl ammonium chloride |
12/22/1989 | EP0274523A4 Organophilic polyphenolic acid adducts. |
09/05/1989 | US4863980 Adduct of polysaccharides and phosphatides |
08/15/1989 | US4857638 Lignin having nitrogen and sulfur and process therefor employing thiourea |
08/01/1989 | US4853465 Organophilic polyphenolic acid adducts |
06/27/1989 | US4843048 Organophilic clay compositions |
06/27/1989 | CA1256428A1 Ammonium lignosulfonates |
06/27/1989 | CA1256427A1 Low electrolyte sodium lignosulfonates |
06/27/1989 | CA1256331A1 Method for the impregnation of wood |
06/14/1989 | CN1033388A Method of producing ammonium humate and humic acid with furfural residues |
05/03/1989 | EP0313718A2 Process for the fractionation of huminates |
01/11/1989 | EP0298710A2 Process for the oxidation of fine coal |
11/29/1988 | US4788360 Process for the production of regenerated humic acids from coal |
10/04/1988 | US4775744 Cationic and anionic lignin amines |
09/14/1988 | EP0281679A2 Low molecular alkali huminates, process for their preparation and their use |
09/14/1988 | EP0281678A2 Process for preparing alkali salts of low molecular humic acid |
08/16/1988 | US4764597 One step-oxidation, methylolation, lowering the ph to precipitate |
07/20/1988 | EP0274523A1 Organophilic polyphenolic acid adducts. |
06/29/1988 | EP0272737A2 Process for the production of regenerated humic acids from coal |
06/21/1988 | US4752509 Impregnating with water soluble lignin; fixing with acidic, insolubilizing, fungistatic or bacteriostatic metal ion solution |
04/12/1988 | US4737295 With phosphatides |
03/22/1988 | US4732572 Amine salts of sulfomethylated lignin |
01/28/1988 | WO1988000584A1 Organophilic polyphenolic acid adducts |
02/17/1987 | CA1218056A1 Color reduction process for non-sulfonated lignin |
02/10/1987 | US4642336 Ionizing, methylolation; sulfonation with ammonium sulfite |
10/15/1986 | EP0197908A1 A method for the impregnation of wood |
08/20/1986 | EP0191558A1 Control of viscosity of aqueous drilling fluids |
08/20/1986 | CN86100085A Thinners for use in aqueons drilling slurry |
07/15/1986 | CA1207751A1 Process for treating humus materials |
07/08/1986 | US4599181 Humic substances with enhanced surface charge |
07/01/1986 | US4597878 Polyphenolic acid adducts |
05/20/1986 | US4590262 Low electrolyte sodium lignosulfonates |
02/11/1986 | US4569799 Process for making organophilic humate derivatives |
06/04/1985 | US4521336 Process for preparing lignosulfonates |
04/09/1985 | CA1185385A1 Cationic acrylamide and rubber modified asphalts |
12/04/1984 | US4486346 Color reduction process for non-sulfonated lignin |
07/10/1984 | US4459149 Process for treating humus materials |
07/19/1983 | US4394481 Cationic arcylamide and rubber modified asphalts |
06/23/1983 | WO1983002115A1 Cationic acrylamide and rubber modified asphalts |
06/22/1983 | EP0082056A1 Cationic acrylamide and rubber modified asphalts |
09/14/1982 | CA1131415A1 Pulping of lignocellulose with aqueous methanol/ catalyst mixture |
07/20/1982 | US4340429 Alkali cellulose xanthate with sodium hydroxide and water |
07/20/1982 | CA1128241A1 Method of producing synthetic resin from waste products |