Heavy Metal Containing (e.g., As, Cr, Mn, Sb, V, Etc.) Patents (Class 554/71)
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Patent number: 11358132Abstract: A method comprising a) contacting a solvent, a carboxylic acid, and a peroxide-containing compound to form an acidic mixture wherein a weight ratio of solvent to carboxylic acid in the acidic mixture is from about 1:1 to about 100:1; b) contacting a titanium-containing compound and the acidic mixture to form a solubilized titanium mixture wherein an equivalent molar ratio of titanium-containing compound to carboxylic acid in the solubilized titanium mixture is from about 1:1 to about 1:4 and an equivalent molar ratio of titanium-containing compound to peroxide-containing compound in the solubilized titanium mixture is from about 1:1 to about 1:20; and c) contacting a chromium-silica support comprising from about 0.1 wt. % to about 20 wt. % water and the solubilized titanium mixture to form an addition product and drying the addition product by heating to a temperature in a range of from about 50° C. to about 150° C. and maintaining the temperature in the range of from about 50° C. to about 150° C.Type: GrantFiled: August 17, 2021Date of Patent: June 14, 2022Assignee: Chevron Phillips Chemical Company LPInventors: Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Eric D. Schwerdtfeger, Mitchell D. Refvik, Mark L. Hlavinka
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Patent number: 10875818Abstract: Disclosed herein are a chromium compound represented by Formula 1a or 1c and a catalyst system including the same, exhibiting superior catalytic activity in an olefin trimerization reaction: [{CH3(CH2)3CH(CH2CH3)CO2}2Cr(OH)]??[Formula 1a] [{CH3(CH2)3CH(CH2CH3)CO2}2Cr(OH)]4.2H2O.Type: GrantFiled: August 22, 2019Date of Patent: December 29, 2020Assignees: AJOU UNIVERSITY INDUSTRY—ACADEMIC COOPERATION FOUNDATION, S-PRECIOUS CATALYSTS INC.Inventors: Bun Yeoul Lee, Jong Yeob Jeon, Dong Sik Park
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Patent number: 9198288Abstract: A method of making silver carboxylate includes forming a mixture of at least one carboxylic acid and at least one aromatic hydrocarbon solvent, and at room temperature, introducing silver oxide into the mixture to form the silver carboxylate in the aromatic hydrocarbon solvent. The mixture may be free of alkali bases and mineral acids, with no additional materials being introduced into the mixture when introducing the silver oxide.Type: GrantFiled: May 15, 2013Date of Patent: November 24, 2015Assignee: XEROX CORPORATIONInventors: Yiliang Wu, Ping Liu
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Publication number: 20150122148Abstract: The asphalt with modified oil fly ash additive provides an improved asphalt binder for asphalt concrete. In one embodiment, the oil fly ash is modified to include a carboxylic acid group (—COOH) attached to the surface of the oil fly ash. In another embodiment, the oil fly ash is modified to attach 1-octadecanoate to the surface of the oil fly ash. The modified oil fly ash additive may be mixed with the asphalt cement or binder material, or mixed with the aggregate material for incorporation into asphalt concrete. The asphalt with modified oil fly ash additive improves the performance grade of asphalt binder from 64-10 to 82-10, eliminates the need for the usual commercial polymer modifier, improves the rutting resistance of asphalt concrete mixes over unmodified oil fly ash, and provides for an environmentally friendly way of disposing of oil fly ash waste.Type: ApplicationFiled: November 5, 2013Publication date: May 7, 2015Applicants: KING ABDULAZIZ CITY FOR SCIENCE AND TECHONOLOGY, KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: HAMAD IBRAHIM AL-ABDUL WAHHAB, MOHAMMAD ANWAR PARVEZ, IBNELWALEED ALI HUSSEIN, REYAD AWWAD SHAWABKEH
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Patent number: 8816107Abstract: Stable complexes are described, formed by mono- and di-functional compounds bound to nanoparticles composed of various types of transition metal oxides and of metals useful in the production processes of different types of new materials (such as for example some types of hydrophile plastics, fibers); processes for the production of the complexes are also described.Type: GrantFiled: January 3, 2007Date of Patent: August 26, 2014Assignee: Colorobbia Italia S.p.A.Inventors: Giovanni Baldi, Alfredo Ricci, Mauro Comes Franchini, Daniele Bonacchi, Marco Bitossi
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Publication number: 20140163248Abstract: We have now discovered a novel process for the removal or extraction of metal species from a variety of solid, liquid or gas phase materials. Metal species may be removed by contacting the material suspected of containing one or more metals with a thiolated fatty acid or ester thereof for a period of time and under conditions effective for the sequestration of the metal species by the thiolated fatty acid or ester thereof. The thiolated fatty acid or ester thereof comprising sequestered metal species may then be separated and recovered from the treated material. Moreover, following the treatment of aqueous liquids or mixtures, or suspensions or dispersions of solids in aqueous liquids, the resultant thiolated fatty acid or ester thereof comprising the sequestered metal species is insoluble in water and forms a separate layer from the aqueous liquid phase, which layer may be readily removed.Type: ApplicationFiled: December 6, 2012Publication date: June 12, 2014Applicant: The United States of America, as represented by the Secretary of AgricultureInventor: The United States of America, as represented by t
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Publication number: 20120189571Abstract: The invention is directed to biocompatible conjugated polymer nanoparticles including a copolymer backbone, a plurality of sidechains covalently linked to said backbone, and a plurality of platinum compounds dissociably linked to said backbone. The invention is also directed to dicarbonyl-lipid compounds wherein a platinum compound is dissociably linked to the dicarbonyl compound. The invention is also directed to methods of treating cancer or metastasis. The methods includes selecting a subject in need of treatment for cancer or metastasis and administering to the subject an effective amount of any of the nanoparticles, compounds, or compositions of the invention.Type: ApplicationFiled: February 4, 2010Publication date: July 26, 2012Applicant: THE BRIGHAM AND WOMEN'S HOSPITAL., INC.Inventors: Shiladitya Sengupta, Abhimanyu Paraskar, Shivani Soni, Sudipta Basu, Poulomi Sengupta
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Patent number: 8188304Abstract: A process is described for the purification of lanthanide carboxylates which comprises a step in which the hydrocarbon solution deriving from the synthesis of lanthanide carboxylate, containing said carboxylate and impurities of the corresponding carboxylic acid and/or water, is treated with an aqueous solution of a base in order to obtain a pH of the aqueous phase ranging from 9.0 to 12.2 and/or a step in which the hydrocarbon solution containing lanthanide carboxylate is treated with a solid selected from Na2SO4, MgSO4, Mg(ClO4)2, molecular sieves 3 ?, molecular sieves 4 ?, molecular sieves 5 ? and molecular sieves 13 X. Analytical methods are also described, which allow the purity of the lanthanide carboxylates to be non-destructively measured.Type: GrantFiled: March 22, 2007Date of Patent: May 29, 2012Assignee: Polimeri Europa S.p.A.Inventors: Paolo Biagini, Mario Salvalaggio, Franco Cambisi, Lucia Bonoldi, Liliana Gila
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Publication number: 20120115823Abstract: Bismuth-containing compounds include bismuth and a biologically active agent coordinated to the bismuth. The biologically active agent includes at least one heteroatom configured for coordination with the bismuth. Coordination polymers include a polymer matrix that contains a bismuth-containing compound. Methods for modulating a pharmacokinetic property of a biologically active agent include coordinating the biologically active agent to bismuth to form a bismuth-containing compound, and administering the bismuth-containing compound orally to a patient. Methods for treating Parkinson's disease, methods for treating hypothyroidism, methods for treating ulcerative colitis, and methods for treating cancer each include administering a bismuth-containing compound to a patient.Type: ApplicationFiled: November 8, 2010Publication date: May 10, 2012Inventors: John D. Price, Thomas Piccariello, Robert A. Oberlender, Michaela E. Mulhare, Scott B. Palmer
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Publication number: 20110203414Abstract: Hydrophobic metal nanoparticles are prepared by reducing a metal precursor in a non-polar or low polar organic solvent with or without volume expansion by adding CO2.Type: ApplicationFiled: August 18, 2010Publication date: August 25, 2011Applicant: National Tsing Hua UniversityInventors: Chung-Sung TAN, Wei-Kuo Chin, Hsien-Te Hsieh
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Patent number: 7559970Abstract: The present invention relates to a method for producing metal nanoparticles and metal nanoparticles produced thereby, in particular, to a method for producing metal nanoparticles used for inkjet that comprises, preparing metal nanoparticles capped with a fatty acid; heating a mixture of the capped metal nanoparticles and a linear or branched first amine of C1-C7 so that a part of the fatty acid is substituted to the first amine; and heating after adding a linear or branched second amine of C8-C20 to the mixture so that the first amine is re-substituted to the second amine. According to the present invention, metal nanoparticles capped with 2 kinds of dispersants can be produced massively, and its application to ink for inkjet technique can lower the curing temperature of ink.Type: GrantFiled: November 14, 2007Date of Patent: July 14, 2009Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Tae-Hoon Kim, Jae-Woo Joung, Sung-Nam Cho, Chang-Sung Park, Kwi-Jong Lee
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Publication number: 20080206316Abstract: Disclosed are compounds comprising one or more chromium atoms bonded to one or more fatty acids. Also disclosed are nutritional supplements, pharmaceutical formulations, delivery devices, and foodstuffs comprising the disclosed compounds. Methods of using the disclosed compounds and compositions to improve health are also disclosed.Type: ApplicationFiled: January 26, 2006Publication date: August 28, 2008Inventors: Colin Barrow, Jaroslav A. Kralovec, Harry Stephen Ewart
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Publication number: 20080207934Abstract: The present invention relates to a method for producing metal nanoparticles and metal nanoparticles produced thereby, in particular, to a method for producing metal nanoparticles used for inkjet that comprises, preparing metal nanoparticles capped with a fatty acid; heating a mixture of the capped metal nanoparticles and a linear or branched first amine of C1-C7 so that a part of the fatty acid is substituted to the first amine; and heating after adding a linear or branched second amine of C8-C20 to the mixture so that the first amine is re-substituted to the second amine. According to the present invention, metal nanoparticles capped with 2 kinds of dispersants can be produced massively, and its application to ink for inkjet technique can lower the curing temperature of ink.Type: ApplicationFiled: November 14, 2007Publication date: August 28, 2008Inventors: Tae-Hoon KIM, Jae-Woo Joung, Sung-Nam Cho, Chang-Sung Park, Kwi-Jong Lee
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Publication number: 20040242908Abstract: A novel composition and methods of its use and preparation of polybasic metal carboxylate complexes having the general formula: (A)2M.nD(OH)2.xH2O.m (B)2N wherein: (a) A is an organic fatty acid and is selected from the group consisting of saturated C12-24 carboxylic acids, unsaturated C12-24 carboxylic acids, aromatic C12-24 carboxylic acids, alicyclic C12-24 carboxylic acids, polycarboxylic acid derivatives thereof, anhydride derivatives thereof and blends thereof, preferably stearate; (b) M is a divalent metal cation, preferably calcium; (c) n is a fractional or whole number from about 1 to about 10 inclusive; (d) D is an alkali earth metal, preferably calcium; (e) x is a fractional or whole number from about 0 to about 3 inclusive; (f) N is a divalent metal cation other than calcium, preferably zinc; and (g) m is a fractional or whole number from 0 to about 1.Type: ApplicationFiled: February 12, 2004Publication date: December 2, 2004Inventors: Thomas Jennings, Ssatyan Kodali, W. Matthew Fender, Donald R Stevenson
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Patent number: 6613799Abstract: New derivatives of platinum (II) complex are herein provided, which are liposoluble and applicable as antimicrobial agents and anticancer agents specific to the affected parts of patients and selectively transferred to the parts if they are used in combination with a contrast medium such as lipiodol, the derivatives being represented by the following general formula: (wherein R1 and R2 may be identical or different with each other and represent an ammine optionally substituted with an organic substituent and they may be bonded together through a bivalent organic group and R3 is a saturated or unsaturated higher fatty acid, these derivatives being prepared by nitrifying a cis-dichloro-di-(substituted or unsubstituted)-ammine platinum (II) and then reacting the resulting aqua type product with a corresponding alkali metal salt of higher fatty acid.Type: GrantFiled: March 5, 1986Date of Patent: September 2, 2003Assignee: Sumitomo Pharmaceuticals Company Ltd.Inventors: Mitsuaki Maeda, Takuma Sasaki
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Patent number: 6569451Abstract: Polymerized liposome particles which are linked to a targeting agent and may also be linked to a contrast enhancement agent and/or linked to or encapsulating a treatment agent. The targeting imaging enhancement polymerized liposome particles interact with biological targets holding the image enhancement agent to specific sites providing in vitro and in vivo study by magnetic resonance, radioactive, x-ray or optical imaging of the expression of molecules in cells and tissues during disease and pathology. Targeting polymerized liposomes may be linked to or encapsulate a treatment agent, such as, proteins, drugs or hormones for directed delivery to specific biological sites for treatment.Type: GrantFiled: February 26, 2002Date of Patent: May 27, 2003Assignee: Targesome, Inc.Inventors: King Chuen Li, Mark David Bednarski, Richard Wood Storrs, Henry Y. Li, Francois Daniel Tropper, Curtis Kang Hoon Song, Dorothy Anna Sipkins, Jeremy Kenji Kuniyoshi
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Patent number: 6528463Abstract: Organic molybdenum complexes comprising the reaction products of a long-chain mono carboxylic acid, a mono-alkylated alkylene diamine, glycerides, and a molybdenum source and their use as multifunctional additives for lubricating compositions.Type: GrantFiled: March 23, 2000Date of Patent: March 4, 2003Assignee: Ethyl CorporationInventors: Vincent James Gatto, Carl A. Mike, John T. Loper
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Patent number: 6482965Abstract: An object is to provide a homogeneous composite metallic soap containing molybdenum in high yields. A composite metallic soap containing molybdenum is produced by reacting a fatty acid and a molybdenum compound under conditions where the fatty acid is in excess to synthesize a molybdenum soap and then adding a metal compound other than the molybdenum compound for reaction with the excess amount of fatty acid or by reacting a molybdenum compound and a fatty acid in the presence of a fatty acid and a metal compound that form a metallic soap having a softening point of 120° C. or less.Type: GrantFiled: March 21, 2001Date of Patent: November 19, 2002Assignee: Japan Energy CorporationInventors: Toru Imori, Mizuho Yoshida
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Publication number: 20020165204Abstract: The synthesis and the use of a series of carboplatin analogs is disclosed. These carboplatin analogs may be represented by cis-Pt(II)L1L2, wherein each of L1 and L2, independently, is the carboxylate of phosphatidylserine, an &agr;-amino acid, a &bgr;-amino acid, or a derivative thereof, wherein each ligand is bidentate with —NH2 and —COO− as the binding sites. The complexes can be used in the treatment of cancer.Type: ApplicationFiled: April 25, 2002Publication date: November 7, 2002Applicant: Unitech Pharmaceuticals, Inc.Inventor: Jiajiu Shaw
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Patent number: 6160142Abstract: There are disclosed metallic soap fine particles which have an average particle size of 4 .mu.m or smaller and have a content of particles having particle sizes of 10 .mu.m or larger of at most 4% by weight based on the whole metallic soap fine particles; a process for producing the metallic soap fine particles, comprising mixing (a) an aqueous solution containing 0.001 to 20% by weight of an alkali metal salt or an ammonium salt of a fatty acid having 4 to 30 carbon atoms with (b) an aqueous solution or dispersion containing 0.001 to 20% by weight of an inorganic metal salt at a specific temperature to form a slurry of the metallic soap, and drying the resultant slurry at a specific temperature. The metallic soap, which has remarkably fine particles and narrow particle size distribution, is well suited for use e.g.Type: GrantFiled: September 4, 1998Date of Patent: December 12, 2000Assignee: NOF CorporationInventors: Kouhei Sawada, Shinji Nakamura, Show Onodera
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Patent number: 5434277Abstract: A method for the preparation of metallic salts of fatty acids comprising the steps of: (a) reacting alkali hydroxide with a fatty acid in a saponification reaction to form an alkali soap; (b) reacting the alkali soap with an aqueous metallic salt solution in a double decomposition reaction to cause the production of metallic fatty acid salt; (c) performing at least one cycle of an alternating alkalinization-acidization reaction by adding an aqueous alkali hydroxide solution to the metallic fatty acid salt to raise the solution pH, followed by adding an acidic aqueous salt solution contain the same metal ions to lower the solution pH. High purity metallic salts of fatty acids can be obtained without a solvent washing step and the metallic fatty acid salts prepared from this invention can be effectively used as photolyzing agent to initiate and/or accelerate the photo-degradation of plastics.Type: GrantFiled: April 2, 1993Date of Patent: July 18, 1995Assignee: Industrial Technology Research InstituteInventors: Herng-Dar Hwu, Hung Y. Hsu, Jian-Hong Chen, Shu-Fang Jiang
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Patent number: 5274144Abstract: A process for the production of a solid metal soap of the formulaM(R--COO)(R"--COO)in which M is at least one metal from the group of Ca, Mg, Cd, Ba, Zn, and Pb; and R and R' are C.sub.8 -C.sub.34 hydrocarbon radicals, by direct synthesis from at least one fatty acid with metal oxides and/or metal hydroxides which comprises maintaining a reaction zone containing a liquid phase comprising fatty acid under reduced pressure, passing a portion of the liquid phase to an external premixing zone, introducing a solid metal oxide and/or metal hydroxide into the liquid phase in the premixing zone, passing the mixture to the reaction zone through an intensive mixing zone, and continuously removing water of neutralization formed by the reaction.Type: GrantFiled: February 16, 1993Date of Patent: December 28, 1993Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Willi Wuest, Gottfried Duerr, Josef Wollmann, Harald Liebs, Hans Scheck
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Patent number: 5210241Abstract: This invention relates to a process of preparing Cocoa Butter Equivalent (CBE) from Chinese Vegetable Tallow (CVT) and to the product prepared. Crude CVT is first subjected to a semi-refining process comprising an alkali treatment, a water wash and an adsorption step. The semi-refined CVT is subjected to a single step fractional crystallization under controlled conditions. After removal of the solvent from the crude CBE found in the mother liquor after filtration, the crude CBE is subjected to a steam distillation process, addition of antioxidants and a final filtration. The resulting product meets all of the criteria necessary for Cocoa Butter Equivalent.Type: GrantFiled: January 3, 1992Date of Patent: May 11, 1993Inventor: Yitian Lin
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Patent number: 5185457Abstract: A process for the continuous production of fatty acid soaps by reaction with solid metal oxides, hydroxides, hydrogen carbonates and carbonates of Mg, Ca, Ba, Pb, Al, Zn, Co, Fe, Cd and Zr, in which the fatty acids are subjected to a rotational movement by mechanical transport and the metal compounds are subjected to rotation in the opposite direction by mechanical transport, the two reactants are combined in the reaction zone of a tube reactor and are reacted in 0.5 to 50 seconds.Type: GrantFiled: August 29, 1988Date of Patent: February 9, 1993Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Franz-Josef Carduck, Hubert Harth, Harald Liebs
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Patent number: 5175322Abstract: A continuous process for preparing a metallic soap by a double decomposition process is disclosed, in which an aqueous solution of an alkali soap and an inorganic metal salt are separately fed directly on the surface of the rotating impeller of a mixer to instantaneously mix them together and the resulting metallic soap aqueous slurry is discharged out from the mixer without delay. Metallic soaps free from contamination with unreacted starting materials or by-products can be continuously obtained using small-sized reactor vessels with a reduced energy.Type: GrantFiled: November 27, 1989Date of Patent: December 29, 1992Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Fumihiko Yoshizawa, Fumio Kikuchi, Seiichi Kojima, Kenichi Yuasa
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Patent number: 5169967Abstract: A novel aluminum magnesium hydroxy fatty acid compound is disclosed having a general formula, Al.sub.x Mg.sub.y (OH).sub.3x+2y-z R.sub.z.nH.sub.2 O, wherein R is at least one aliphatic monocarboxylic acid group having the formula RCOO.sup.- and comprising from 12 to 22 carbon atoms, and wherein x=2, 2.ltoreq.y.ltoreq.10, z=2, and n is an integer greater than zero. The compound is prepared by a process including placing water and a salt which is one of an alkali metal salt or an ammonium salt of at least one aliphatic monocarboxylic acid having from 12 to 22 carbon atoms in a reactor fitted with heating and stirring means. The salt is dissolved by intensive stirring and by heating to a temperature ranging from 20.degree. to 90.degree. C. to provide a salt solution. The pH of the salt solution in the reactor is maintained at a pH of at least 8 to provide an alkaline solution.Type: GrantFiled: September 26, 1990Date of Patent: December 8, 1992Assignee: Giulini Chemie GmbHInventors: Uwe Assmus, Klaus Schanz, Bruno Kaumann
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Patent number: 5154764Abstract: An improved high-solids coating composition is disclosed containing at least about 65% by weight of non-volatile material comprising at least one curable organic resin and a drier effective amount of at least one hydrocarbon-soluble neodymium salt of an organic carboxylic acid. A method of curing high-solids coating compositions is also disclosed utilizing at least one hydrocarbon-soluble neodymium salt of an organic carboxylic acid.Type: GrantFiled: October 3, 1991Date of Patent: October 13, 1992Assignee: Mooney Chemicals, Inc.Inventors: Paul L. Cells, Dennis J. Olszanski
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Patent number: 5149695Abstract: Fumaric acid derivatives of the formula ##STR1## wherein R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.8 alkyl group or a metallic cation, andR.sub.2 is a saturated or unsaturated aliphatic C.sub.6 -C.sub.24 alkyl group, psoralen-9-yl, retinyl, .alpha.-tocopheryl (vitamin E), calciferyl, corticosteroid-21-yl or monosaccharid-.omega.-yl; a group of fumaric acid derivatives based on glycerol, alkane diol or polyol molecules; and fumaric acid derivatives of the formula ##STR2## wherein n is an integer from to 30 to 260,R.sub.3 is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group,R.sub.4 is one of the R.sub.3 groups and n is the number of molecule repetitions, processes for their production and compositions containing same are described. These compounds are useful as drugs for the treatment of cryptogenically-caused diseases and have antisporiatic as well as antimicrobial action.Type: GrantFiled: March 13, 1989Date of Patent: September 22, 1992Inventors: Peter P. Speiser, Rajendra K. Joshi