Class 536/111 - Ethers

Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Compounds having the general formula ROR", wherein
No. of patents: 136
Last issue date: 04/29/2008

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Number	Title	Issue Date
7365190	Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent New crosslinked polysaccharides useful as absorbents or superabsorbents alone or in a mixture are obtained by reacting polysaccharides (preferably containing carboxylates groups) with at least one crosslinker selected in the group constituted by activated polyethyle...	04/29/2008
7358030	Process for producing ether compound The present invention provides the following process for production of an ether compound, which is useful for chemical amplification type resist compositions, synthetic intermediates of pharmaceuticals, paints, or the like, with less side reaction and in high yield....	04/15/2008
7261759	Powder metal mixture including micronized starch A powder metal mixture comprises a lubricant powder conventionally used to produce powder metal parts in combination with a modified lubricant. A lubricant conventionally used to compact and sinter a chosen powder metal mixture is modified by adding to it starch par...	08/28/2007
7247722	Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking Polysaccharide aldehydes are prepared using selective oxidation involving the use of nitroxyl radical mediated aqueous oxidation with a limited amount of oxidant and defined reaction conditions. These polysaccharide aldehyde derivatives having maximum effective alde...	07/24/2007
7244839	Maize starch containing elevated amounts of actual amylose The present invention is directed to a starch comprising a novel percentage of actual amylose. A grain comprising the starch is also embodied by the present invention. The present invention is also directed to a plant comprising the novel starch. ...	07/17/2007
7157573	Hydrophobic starch derivatives The invention relates to a process for preparing a hydrophobic starch, comprising etherification, esterification or amidation of a root or tuber starch comprising at least 95 wt. % of amylopectin, based on dry substance of the starch, or a derivative thereof, with a...	01/02/2007
7141255	Food formulations Food formulations suitable for preparation by young children, requiring only the addition of water, that produce simulated foods that exhibit substantially appropriate textures and flavors. ...	11/28/2006
7041175	Method for the continuous production of hydrolytically broken down and possibly substituted starch, use of hydrolytically broken down starch and device for producing same The invention relates to a method for the continuous production of hydrolytically broken down starch or hydrolytically broken down substituted starch products such as hydroxyethyl- or hydroxypropyl starch. The invention essentially consists of carrying out most of t...	05/09/2006
7015363	Process for producing ether compound The present invention provides the following process for producing and the like, which enables the production of an ether compound, which is useful for chemical amplification type resist compositions, synthetic intermediates of pharmaceuticals, paints, or the like, ...	03/21/2006
6962735	Textile printing substrate A textile substrate is treated with a composition having a dye fixing agent and an ink receiving agent, for the subsequent printing with an ink jet printer. The dye fixing agent includes a reactive amino compound, and the ink receiving agent comprises inorganic part...	11/08/2005
6960344	Use of imine-forming polysaccharides as adjuvants and immunostimulants The present invention relates to polysaccharide conjugates that comprise: a polysaccharide that binds to surface-receptors present on Antigen Presenting Cells, conjugated to one or more compounds having stable carbonyl groups covalently attached, either directly or ...	11/01/2005
6846497	Rapidly expanding starches with altered crystalline structure This invention relates to a starch based tablet disintegrant useful at low addition levels and providing equally effective properties in water and physiological fluids. The starches are characterized by their low solubility in cold water, high swelling power and lab...	01/25/2005
6600033	Modified cellulose ethers The invention relates to a cellulose ether that is hydrophobically modified with an alkyl or alkenylketene dimer of general formula (I), in which R1 and R2 are alkyl or alkenyl chain, ##STR1## such as one having 5 to 22, preferably 1...	07/29/2003
6512108	Fat impervious foils and coatings A substantially fat impervious coating (KIT number from about 6 and about 16) coating made from an aqueous solution of a hydroxypropyl high amylose pea starch....	01/28/2003
6469120	Water-stabilized organosilane compounds and methods for using the same The composition formed by mixing an organosilane, optionally having a nonhydrolizable organic group, but having one or more hydrolyzable groups, with a polyol containing at least two hydroxy groups, wherein at least any two of the hydroxy groups are separ...	10/22/2002
6368456	Method of making paper from aldehyde modified cellulose pulp with selected additives This invention relates to paper comprising aldehyde modified cellulose pulp prepared using nitroxyl radical mediated oxidation and further containing selected additives comprising aldehyde functional polymers or polymers containing functionality capable o...	04/09/2002
6284140	Dialysis solution for peritoneal dialysis The present invention relates to dialysis solutions for peritoneal dialysis, containing hydroxyethyl starch as the osmotically-active substance, electrolytes and, optionally, conventional additives, where the hydroxyethyl starch has a molecular weight Mw ...	09/04/2001
6265570	Cold water soluble starch aldehydes and the method of preparation thereof Stable, cold water soluble, ready for use starch aldehyde compositions and the method of preparation of such compositions wherein an aqueous dispersion of a converted starch acetal is hydrolyzed under acidic conditions to form the starch aldehyde which is...	07/24/2001
6184368	Polyvalent carbohydrate molecules Methods for syntheses of polyvalent carbohydrate molecules by glycosylations of partially protected polysaccharides with a single glycosylating agent or a mixture of glycosylating agents(i.e., a combinatorial library) are disclosed. An alternate method ut...	02/06/2001
6051700	Process and method for hydroxyalkylation of starch and hydroxyalkyl starch prepared accordingly Disclosed are a method and process for preparing a hydroxyalkyl starch. In accordance with the disclosed invention, the starch is treated with an enzyme under conditions to increase the susceptibility of the starch to hydroxyalkylation by a hydroxyalkylat...	04/18/2000
6037466	Method for preparing hydrophobic starch derivatives A method for preparing hydrophobic starch derivatives wherein starch and an anhydride are reacted in a slurry with the anhydride reagent being added to the slurry in pre-emulsified form to provide a significantly faster and more efficient reaction....	03/14/2000
6031085	Activated mono,di,oligo- and polysaccharides, reaction products thereof, their preparation and uses Reaction at the interface of an organic solution containing an acidic reactant and an aqueous alkaline solution containing nonreducing carbohydrates such as sucrose, sugar alcohols, cyclodextrins, and polysaccharides imparts a specificity to the reaction ...	02/29/2000
6001995	Water-soluble etherified starches Aminated cellulose fiber obtained by adding one or more starches etherified with C2 -C5 -alkylamines which may additionally be substituted in the alkyl moiety by 1 to 2 further hydroxyl and methoxy groups and whose amino group is a p...	12/14/1999
5986087	Sulfonation of regenerated cellulose with sulfonated polymers and use of the thus modified fibres Sulfonated regenerated cellulose fiber obtained by adding a modifier to a viscose dope or alkali cellulose or cellulose solution and spinning fiber therefrom, wherefor the modifier is a starch etherified with C2 -C5 -alkylsulfonic ac...	11/16/1999
5981741	Aminated acetate fiber Disclosed are aminated acetate fiber comprising acetylcellulose and one or more water-insoluble quaternary starch ether esters, said starch ether esters containing ester groups of formulae --O--CO--CH3 and/or --O--CO--C2 H5	11/09/1999
5977328	Polyvalent carbohydrate molecules Methods for syntheses of polyvalent carbohydrate molecules by glycosylations of partially protected polysaccharides with a single glycosylating agent or a mixture of glycosylating agents (i.e., a combinatorial library) are disclosed. An alternate method u...	11/02/1999
5977348	Polysaccharide modification in densified fluid This invention relates to a process for chemically modifying polysaccharides in a densified fluid. In particular, the modification includes esterification and/or etherification of a starch in supercritical carbon dioxide. The process is advantageous in th...	11/02/1999
5954869	Water-stabilized organosilane compounds and methods for using the same The composition formed by mixing an organosilane, optionally having a nonhydrolizable organic group, but having one or more hydrolyzable groups, with a polyol containing at least two hydroxy groups, wherein at least any two of the hydroxy groups are separ...	09/21/1999
5883242	Starch for paper making The present invention provides a cationic starch prepared by roasting starch under the presence of a cationic polymer, a method for preparing the cationic starch, and a method for making paper board with the cationic starch. The method for making paper bo...	03/16/1999
5851959	High temperature stable modified starch polymers and well drilling fluids employing same A modified starch polymer derived from an unmodified starch having an amylopectin content of at least 80% by weight. The starch is modified by crosslinking with epichlorohydrin, the amount of epichlorohydrin crosslinking being equivalent to that which is ...	12/22/1998
5846786	Thermally-inhibited, subsequently enzymatically-treated starches The present invention is directed to a thermally inhibited, subsequently enzymatically hydrolyzed, ungelatinized, granular starch or flour and the process of making such starch or flour. Such starch or flour is useful as an ingredient in food products, pa...	12/08/1998
5844058	Organosiloxane-grafted natural polymer coatings A new family of polysaccharide graft polymers are provided as corrosion resistant coatings having antimicrobial properties which are useful on light metals such as aluminum, magnesium, zinc, steel and their alloys. Methods of making the polysaccharide gra...	12/01/1998
5833755	Starch degradation using metal-based coordination complexes A process for the degradation of starch, particularly granular starch, using hydrogen peroxide and a catalytic amount of a metal-based coordination complex in an alkaline slurry reaction....	11/10/1998
5811541	Carboxymethyl-etherified starch derivatives and process for preparing the same Novel carboxymethyl-etherified starch derivatives and methods for manufacturing the same, and more particularly, to the novel carboxymethyl-etherified starch derivatives having a viscosity in 5% aqueous solution of 15~600 cps, when measured by a viscomete...	09/22/1998
5808053	Modificaton of starch The invention generally relates to a process for modification of cationic starch at which the cationic starch is treated, in the presence of water, with an aluminium compound. The modified cationic starch is useful as a retention agent. The invention also...	09/15/1998
5743949	Stable aqueous wax dispersions The present invention relates to stable aqueous wax dispersions comprising A) 5 to 65% by weight of microized wax and B) 0.01 to 7% by weight of polymeric carbohydrate derivatives as dispersing agent. The waxes are amide, montan and polyethylene waxes, and particul...	04/28/1998
5708162	Process for the preparation of low molecular weight polysaccharide ethers Process for the preparation of low molecular weight polysaccharide ethers which can be employed in binders for improving adhesive power and film-forming properties, by oxidative degradation of relatively high molecular weight polysaccharide ethers, which ...	01/13/1998
5672699	Process for preparation of hydrophobic starch derivatives A method for preparing hydrophobic starch derivatives wherein the starch and anhydride reagent are predispersed or intimately contacted by mixing at low acidic pH to form a stable dispersion before being brought to alkaline reaction conditions....	09/30/1997
5639865	Thermoplastic biodegradable polysaccharide derivatives, process for the manufacture thereof and use thereof The present invention relates to novel thermoplastic, biodegradable polysaccharide ether esters, such as for example cellulose ether esters or starch ether esters, and to the production of such graft copolymers from polysaccharides, epoxides and dicarboxy...	06/17/1997
5612321	Antioxidant grafted polysaccharides Grafted polysaccharide compositions comprising polysaccharides grafted with antioxidants on at least one hydroxyl group of the polysaccharide. The use of antioxidant grafted polysaccharides or antioxidant grafted crosslinked polysaccharides as a treatment...	03/18/1997

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Class 536/111 - Ethers