Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7319165 | Aminopolycarboxylic acid aqueous solution composition and stabilization method of aminopolycarboxlic acid The present invention is to provide a stabilized aqueous aminopolycarboxylate solution composition and a method of stabilizing the aminopolycarboxylate through preventing the same from caking. An aqueous aminopolycarboxylate solution composition containing an... | 01/15/2008 |
| 7241813 | End-capped polymers and compositions containing such compounds End-capped polymers, methods for making those end-capped polymers and compositions containing those end-capped polymers are disclosed. One of the disclosed end-capped copolymers has the formula: and may be combin... | 07/10/2007 |
| 7205337 | End-capped polymers and compositions containing such compounds End-capped polymers, methods for making those end-capped polymers, compositions containing those end-capped polymers, and methods for using those compositions are disclosed. One of the disclosed end-capped copolymers has the formula (I): | 04/17/2007 |
| 7157549 | Polymerization of oxiranes with a lithium-containing initiator A method is provided for polymerizing oxiranes by employing a lithium-containing polymerization initiator in a liquid reaction medium devoid of polymerization additives. Linear and star polymers can be produced by practicing the subject method. ... | 01/02/2007 |
| 7078475 | Synergistic amine chain-extenders in polyurea spray elastomers Disclosed are derivatives of isophorone diamine exhibiting a synergistic relationship with other commonly employed chain extenders offering enhanced efficacy with regard to slowing of the polyurea elastomer cure profile, and processes employing their use. According ... | 07/18/2006 |
| 7074963 | Preparation of secondary amines Disclosed herein is a process for the reductive alkylation of primary amines to form secondary amines, by high pressure reaction of the primary amine with an alkylating agent and hydrogen in the presence of a catalyst which comprises metallic palladium. A process of... | 07/11/2006 |
| 7067165 | Dimetalhydroxy malate fortified food matrices A mineral fortified food matrix can comprise a dimetalhydroxy malate composition and a food matrix fortified with the dimetalhydroxy malate composition. Additionally, a method of administering a mineral in a bioavailable form to a warm-blooded animal can comprise st... | 06/27/2006 |
| 7008561 | Ether carboxylic acids based on alkoxylated mercaptobenzothiazoles and use of the same as corrosion inhibitors The present invention relates to compounds of formula (1) and the salts thereof which correspond to formula (2). In the formulae, A is C2- to C4-alkylene, x is a number from 1 to 100, y is a number... | 03/07/2006 |
| 6946076 | Removal of phosphate from water Methods and compositions for removing phosphate from swimming pool waters are disclosed. The compositions include both soluble and substantially insoluble lanthanide carboxylates, preferred examples being lanthanum glycolate and lactate. The methods include the addi... | 09/20/2005 |
| 6918958 | Acid pigment dispersants and pigment preparations The invention relates to pigment dispersants of the formula (I), and to pigment preparations including at least one organic pigment and at least one pigment disperant of the formula (I): wherein Q1, R1 | 07/19/2005 |
| 6593376 | Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups on a di-,oligo- or polyene base A process for preparing amphiphilic compounds having at least two hydrophilic and at least two hydrophobic groups by reacting an olefinic substrate having at least two double bonds with an organic hydroperoxide to form an oxirane ring, opening, the oxiran... | 07/15/2003 |
| 6559243 | Glyoxylic compound comprising one or more active ingredient The present invention relates to glyoxylic compound comprising one or more active ingredient. By the present invention, a delayed release of the active ingredient is provided upon contact of the compound with an aqueous medium.... | 05/06/2003 |
| 6365774 | Carboxylated surfactants The present invention relates to a (a) dicarboxylated surfactant, (b) a method for its preparation and (c) application in industrial and personal care applications. The compounds of the present invention are made by reacting epoxy succinic acid and a salt... | 04/02/2002 |
| 6294693 | Production process for ether carboxylate salt The present invention provides a production process for an ether carboxylate salt in which process the ether carboxylate salt is obtainable with a good yield, and the amount of expensive catalyst, as used, can be saved, and the recovery of the catalyst is... | 09/25/2001 |
| 6127498 | Modified hydrogenated polymers Hydrogenated fluoromodified polymers obtainable by reaction among hydrogenated polymers and the modifier having a polyether structure: RfO(CF2 CF2 O)m (CF2 O)n --CF2 --Aq --Tp | 10/03/2000 |
| 6046292 | Polymerizable mesophases based on substituted unsaturated carboxylic acids Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the c... | 04/04/2000 |
| 5905127 | Polymerizable mesophases based on substituted unsaturated carboxylic acids Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the c... | 05/18/1999 |
| 5840973 | Process for producing a polyoxyalkylenecarboxylic acid A process for producing a polyoxyalkylenecarboxylic acid which comprises: (A) a step of obtaining a salt of a polyoxyalkylenecarboxylic acid by reacting a polyoxyalkylene compound having hydroxyl group at one or both ends of the molecule with a salt of a ... | 11/24/1998 |
| 5801277 | Solid catalyst for etherification reaction and production process for ether compound using this catalyst The present invention provides: a solid catalyst which enables a person to simply and efficiently carry out an etherification reaction; and a process by which an ether compound is simply and efficiently produced using the solid catalyst. The solid catalys... | 09/01/1998 |
| 5696288 | Process for the preparation of 2,2'-oxydisuccinate A process for the preparation of 2,2'-oxydisuccinate from undissolved solid, powdered or comminuted maleate and malate species added to a slurry of alkaline earth metal hydroxide is disclosed which cooperatively controls pH, temperature, time and ratio of... | 12/09/1997 |
| 5648387 | Carboxyalkylethers, formulations, and treatment of vascular diseases Dialkyl ethers lower Lp(a) and triglycerides, and elevate HDL-cholesterol, and are thereby useful for treating vascular diseases and noninsulin-dependent diabetes mellitus.... | 07/15/1997 |
| 5585517 | Process for reacting a perfluoroalkl iodide with an olefinic compound A novel process is described for reacting a perfluoroalkyl iodide with an olefinic compound, which comprises carrying out a free-radical addition reaction of the perfluoroalkyl iodide to the olefin in the presence of azoic or peroxy initiator and a water-... | 12/17/1996 |
| 5541037 | Anti-reflective material and patterning method The invention provides an anti-reflective material comprising a salt of a carboxyl-terminated fluorinated alkyl polyether compound with a water-soluble amino compound. A resist pattern is defined by forming anti-reflective layer of the anti-reflective mat... | 07/30/1996 |
| 5523479 | Process for the preparation of ethercarboxylic acids A process for the preparation of carboxylic acids which contain ether groups by the catalytically accelerated addition of alcoholic hydroxyl groups from mono- or polyhydric alcohols to tertiary-alkyl esters of ,ଲ-unsaturated carboxylic acids,... | 06/04/1996 |
| 5506309 | Perfluorinates polyethers This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.... | 04/09/1996 |
| 5466875 | Process for the purification of alkaline earth metal salts of 2,2'-oxydisuccinate by acidification A process for the purification and recovery of 2,2'-oxydisuccinate moieities from a reaction mixture containing maleate, malate, fumarate, and alkaline earth metal is disclosed which reduces the pH to about 3.8 to 4.2 with sulfuric acid and then produces ... | 11/14/1995 |
| 5466868 | Process for the preparation of an enriched 2,2'-oxydisuccinate reaction mixture by removal of calcium malate A process for the preparation of enriched reaction mixtures containing 2,2'-oxydisuccinate (alkaline earth metal salts) is disclosed, by pH reduction and removal of alkaline earth metal malates.... | 11/14/1995 |
| 5442109 | Preparation of oxadimethacrylic acid At least 99% pure 2,2'[oxybis (methylene)]bis-2-propenoic acid CH2 .dbd.C(COOH)CH2 --O--CH2 C(COOH).dbd.CH2 is prepared by hydrolyzing an ester thereof in an aqueous basic medium and then acidifying the resultant salt.... | 08/15/1995 |
| 5393917 | Isolation and purification of oxadimethacrylics A process for isolating and purifying oxadimethacrylics of the general formula I CH2 .dbd.C(A)CH2 --O--CH2 C(B).dbd.CH2 I where A and B are selected from the group consisting of --COOR1, --COR1,... | 02/28/1995 |
| 5391823 | Process for the preparation of 2,2'-oxydisuccinate A process for the preparation of 2,2'-oxydisuccinate from maleate, malate and alkaline earth metal hydroxide is disclosed which cooperatively control pH, temperature, time and ratio of reactants to effectively avoid substantial phase separation.... | 02/21/1995 |
| 5359128 | Malic acid derivatives and compositions for the treatment of psoriasis The invention comprises compositions and methods for the treatment of psoriasis. The compositions comprise compounds of the formula: ##STR1##... | 10/25/1994 |
| 5354879 | Optically active intermediate and method for production thereof The present invention relates to a synthetic method of optically active starting materials for various medicaments, which are represented by Formula (I): ##STR1## wherein R1 is hydrogen or hydroxy protecting group; * is an asymmetric ... | 10/11/1994 |
| 5176850 | Substituted glycerol compounds The present invention provides a composition in contact with a corrodable metal surface, comprising a functional fluid and, as corrosion inhibitor, a compound having the formula 1A ##STR1## as well as salts or esters thereof, wherein R3 is... | 01/05/1993 |
| 5171886 | Preparation of 2,2'-oxydisuccinate There is disclosed herein an improved processes for the preparation of oxydisuccinate by reacting in an alkaline reaction medium the salts of maleic acid and malic acid in the presence of a calcium ion catalyst wherein unreacted maleic acid salts are reco... | 12/15/1992 |
| 5132455 | Method for synthesizing perfluorinated ether compounds via polyesters This invention relates to perfluoroether compounds, and to a general method for creating such compounds. It has been found that such compounds may be created by a three-step method which may be performed using a wide variety of ester starting materials. T... | 07/21/1992 |
| 5099042 | Synthesis of tetrafunctional polyethers and compositions formed therefrom Polymers are produced from 4 and 5 member cyclic ethers, which polymers have hydroxyl functionalities of 4. The cyclic ethers are polymerized with an acid catalyst and a tetraol initiator having the general formula: ##STR1##... | 03/24/1992 |
| 5097067 | Carboxy acids derived from heteroatom containing 3,3-bis-perfluoroalkyl oxetanes Heteroatom containing Rf -neopentyl compounds having formula III or IV ##STR1## wherein Rf is a straight chain perfluoroalkyl of 1 to 18 carbon atoms, E is branched or straight chain alkylene of 2 to 10 carbon atoms or said alky... | 03/17/1992 |
| 5091113 | Corrosion inhibiting composition R is a straight or branched chain C.sub.4 -C.sub.30 alkyl group, a straight or branched chain C.sub.4 -C.sub.30 alkyl group interrupted by one, two or three oxygen atoms or substituted by one, two or three hydroxy groups, a C.sub.5 -C.sub.12 cycloalkyl gr... | 02/25/1992 |
| 5075336 | Alkaline earth metal salts of oxa polyacid compounds Compounds of general formula ##STR1## in which: M is an alkaline earth metal, R1, R2, R3, R4, R5 and i being defined in the description. Medicaments.... | 12/24/1991 |
| 5068421 | Chemical process There is disclosed herein improved processes for the preparation of ether carboxylates by reacting in an alkaline reaction medium the salts of maleic acid and malic acid in the presence of a calcium ion catalyst wherein unreacted acid salts are recovered ... | 11/26/1991 |
