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| Number | Title | Issue Date |
| 7186394 | Retarding agents for preparing purified brine The invention relates to a process to produce brine of improved purity wherein a salt source, contaminated with sulphate ions and alkaline (earth) metal ions, is dissolved in water in the presence of an effective amount of a retarding agent comprising at least one l... | 03/06/2007 |
| 7109275 | Co-metering of organic initiators and protective colloids during polymerization reactions The invention pertains to a process wherein initiators and protective colloids are both metered to a polymerization mixture. This manner of metering allows for improved control of the polymerization rate and an improved reactor space-time yield, and the process will... | 09/19/2006 |
| 7078553 | Ketone peroxide derivatives, their preparation and use The invention relates to peroxides derivable from The invention further relates to the process to make these peroxides as well as to their use in polymerization, curing, and modification reactions. ... | 07/18/2006 |
| 7059486 | Plastic container with rounded shoulders A plastic container for the storage and transport of liquids, particularly aggressive liquids, comprising a practically rectangular bottom, a top wall with a filling or pouring hole, and standing walls which each connect to the circumferential seam of both the botto... | 06/13/2006 |
| 6951770 | Method of manufacturing a photovoltaic foil The invention pertains to a method of manufacturing a photovoltaic foil comprising a TCO layer, a photovoltaic layer, and a back electrode, which method comprises the following steps: providing a conductive temporary substrate; applying a TCO layer on the temporary ... | 10/04/2005 |
| 6878310 | Carboxylate-containing alkyltin heat stabilizer A stabilizer composition, suitable for use in polyvinyl chloride compositions, can be formed by reacting a mixture of monoalkyltin trichloride, such as butyltin trichloride, and dialkyltin dichloride, such as dibutyltin dichloride, with at least one carboxylic acid,... | 04/12/2005 |
| 6872789 | Cross-linkable polymer composition The invention pertains to a polymer obtainable from the steps: polymerizing a mixture, that is substantially free or organic solvents, of ethylenically unsaturated monomers which consist for at least 70% of methacrylates, and which... | 03/29/2005 |
| 6866688 | Process to make high-purity wet salt The invention relates to an evaporative crystallization process to make salt compositions that includes a step wherein a mother liquor is formed that contains an effective amount of a crystal growth inhibitor that is selected from oligopeptides, polypeptides, and po... | 03/15/2005 |
| 6846417 | Co-retarding agents for preparing purified brine The invention relates to a process to produce brine of improved purity by dissolving salt that contains a calcium sulfate source in water, in the presence of a retarding agent, while using one or more co-retardants to bind contaminants that could interfere with the ... | 01/25/2005 |
| 6846384 | Process for sizing paper A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibers, and optional fillers, an anionic or cationic sizing dispersion, and a sizing promoter comprising a cationic organic polymer having an aromatic group; and an anionic p... | 01/25/2005 |
| 6818100 | Process for sizing paper A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibres, and optional fillers, a sizing dispersion comprising a polymer having an aromatic group, and a sizing promoter comprising a polymer having an aromatic group, wherein ... | 11/16/2004 |
| 6812269 | Process for preparing an aqueous powder coating dispersion A process for preparing an aqueous powder coating dispersion comprising components A and B, wherein component A is a binder resin or a mixture of binder resins and component B is a crosslinker or a mixture of crosslinkers or component A is a crosslinker or a mixture... | 11/02/2004 |
| 6809252 | Solar cell unit with removable layer The invention pertains to a solar cell unit comprising a back electrode, a photovoltaic layer, a front electrode, and a transparent top layer, characterized in that on top of the top layer at least one removable transparent polymer film is present. Preferably, two t... | 10/26/2004 |
| 6803436 | Transportable and safely packaged organic peroxide formulations comprising reactive phlegmatisers The invention relates to a method to safely produce, handle and transport packaged organic peroxide formulations comprising a reactive phlegmatiser and to the use of such packaged material in polymerisation and polymer modification processes, particularly the high-p... | 10/12/2004 |
| 6800263 | Non-caking sodium chloride crystals, a process to make them, and their use in an electrolysis process The invention relates to specific non-caking salt (NaCl) compositions with a pH of 1-10 comprising at least one metal (iron, titanium and/or chromium) complex of a hydroxypolycarboxylic acid, a process to make such compositions, as well as the use of such compositio... | 10/05/2004 |
| 6784325 | Isomerization of alkyl phenol with a solid acid catalyst The isomerization of an alkylated phenol composition that contains an ortho-alkyl substituted phenol component to isomerize and reduce the level of ortho-alkyl substituted phenol component therein can be accomplished by heating that composition in the presence of a ... | 08/31/2004 |
| 6770774 | Peroxides, their preparation process and use The invention relates to a preparation process for making peroxy esters and peroxy carbonates, peroxy ester peroxy carbonates, mixed diperoxides, mixed diperoxy esters, and mixed diperoxy carbonates, and to specific monoperoxy esters, monoperoxy carbonates, mixed pe... | 08/03/2004 |
| 6720398 | Use of trioxepans in the process to make high-solid acrylic, styrenic, and LDPE-type resins The invention relates to a polymerization process wherein at least one initiator is selected from trioxepan compounds of formula I with R1-3 being independently selected from substituted or unsubstituted hydro... | 04/13/2004 |
| 6717005 | Epoxy-stabilized polyphosphate compositions A polyphosphate ester composition consisting essentially of an effective amount of a cycloaliphatic epoxy composition for reduction of the total acid number of the composition. The phosphate ester is of the formula: wher... | 04/06/2004 |
| 6679991 | Pervaporation device and irrigation mat Pervaporation device for the desalination of salt water comprising a channel or cavity for holding or transporting salt water and a liquid-water-impermeable, water-vapour-permeable non-porous membrane, which is made of a copolyether amide wherein the poly... | 01/20/2004 |
| 6642287 | Methyl propyl ketone peroxide formulations and their use in processes to cure unsaturated polyester resins Methyl propyl ketone peroxide formulations are claimed that can be safely handled at ambient temperature, are storage stable, and give fast curing rates of unsaturated polyester resins particularly when accelerated with a complex of two different metals. ... | 11/04/2003 |
| 6639037 | Continuous dosing of very fast initiators during polymerization reactions The invention pertains to a process wherein peroxides are dosed to a polymerization mixture, with essentially all of the organic peroxide that is used in the polymerization process having a half-life from 0.05 hour to 1.0 hour at the polymerization temper... | 10/28/2003 |
| 6630539 | Neopentylene 1-phenylvinyl phosphonate Compounds of the formula ##STR1## wherein the compound is neopentylene 1-phenylvinylphosphonate.... | 10/07/2003 |
| 6627580 | Chelating agents and their manganic chelates Chelating agents (chelants) of the general structure: ##STR1## wherein: n=2-4 ##STR2## whereby at least two of X are of formula III Y=COOH, --PO3 H2 or o-hydroxyphenyl R1, R2 and R3 are independent... | 09/30/2003 |
| 6624327 | Process for preparing betaines The invention relates to a process for preparing betaines of formula (I) wherein R1 represents a C1 -C24 hydrocarbon group, and R2 and R3 independently represent a C1 -C3 hydrocarbon ... | 09/23/2003 |
| 6613598 | Method for making a photovoltaic cell containing a dye The invention pertains to a method of making a photovoltaic cell at least comprising the following layers in the following order: a first electrode layer, a transparent wide band gap semiconductor layer provided with a layer of a photosensitising dye o... | 09/02/2003 |
| 6610880 | Process for preparing peroxides using mixed anhydrides The invention relates to a process for the preparation of a peracid, perester or diacylperoxide and is characterized in that a mixed anhydride of formula R1 [C(O)OC(O)OR2 ]n or [R3 C(O)OC(O)O]p R... | 08/26/2003 |
| 6610768 | Cross-linking compositions This application relates to compositions of cross-linking peroxides which have excellent storage stability, without exudation of peroxide taking place, which contain the organic peroxide in a high concentration, and which are easily blendable with a rubbe... | 08/26/2003 |
| 6608146 | Use of unsaturated diacyl or acylcarbonate peroxides in cross-linking processes The invention relates to curing process wherein specific unsaturated diacyl-peroxides and/or unsaturated acylperoxycarbonates are used. These peroxides were found to be pre-eminently suited to the curing of silicone rubbers and polyester resins. Their use... | 08/19/2003 |
| 6583231 | Process to make aminated polyolefins The invention relates to a process to make aminated polyolefins involving the steps of: ozonolysis of one or more low-molecular weight polyolefins with at least one end group that is unsaturated, in the presence of an alkanol-hydrocarbon mixture, to form ... | 06/24/2003 |
| 6569928 | Phosphorus-containing fire retardant thermoplastic polyester composition A fire retardant thermoplastic polyester comprising a phosphorus containing additive and a high charring polymer containing benzene rings in its main polymer backbone and that has a softening point of no less than about 120° C. exhibits improved fire res... | 05/27/2003 |
| 6566391 | Trioxepan compounds The invention relates to compounds of formulae I and II ##STR1## and compositions comprising these compounds.... | 05/20/2003 |
| 6552215 | Ketone peroxide derivatives, their preparation and use The invention relates to peroxides derivable from ##STR1## The invention further relates to the process to make these peroxides as well as to their use in polymerization, curing, and modification reactions.... | 04/22/2003 |
| 6548710 | Process for preparing 1-indanones The present invention relates to a process for preparing 1-indanones of formula I: ##STR1## and isomers thereof, wherein R1, R2, R3, R4, R5, and R6 independently represent H or a C1 | 04/15/2003 |
| 6540796 | Use of trioxepans in ignition improved fuels The invention relates to use of trioxepan compounds of formula I ##STR1## with R1-3 being independently selected from substituted or unsubstituted hydrocarbyl groups in the process to make fuels with improved ignition properties. Preferably, R | 04/01/2003 |
| 6525117 | Stabilized zinc pyrithione for vinyl chloride polymers A vinyl chloride polymer composition comprising a zinc pyrithione and an effective amount for stabilization of the biocide of a mixed metal (e.g., magnesium/aluminum or magnesium/aluminum/zinc) hydroxycarbonate (or "hydrotalcite"). A pre-blend of the bioc... | 02/25/2003 |
| 6492549 | Process for preparing alkylene diamine triacetic acid A process for the preparation of alkylene diamine triacetic acid (derivatives) which comprises the conversion of an alkylene diamine (derivative) to a metal salt of an alkylene diamine triacetic acid (derivative). The reaction is carried out in the presen... | 12/10/2002 |
| 6486339 | Phosphorylated product made by heating alkylated phenol in presence of solid acid catalyst The isomerization of an alkylated phenol composition that contains an ortho-alkyl substituted phenol component to isomerize and reduce the level of ortho-alkyl substituted phenol component therein can be accomplished by heating that composition in the pre... | 11/26/2002 |
| 6482968 | Purification of an organometallic compound Organometallic compounds, as exemplified by trimethylaluminum, can be purified by recrystallization from a solvent by cooling. The organometallic compound is first dissolved in a solvent forming a solution and the purified organometallic compound is then ... | 11/19/2002 |
| 6482970 | Peroxides, their preparation process and use The invention is drawn to compounds of formula (I) which is HOO--C(R1)(R2)--OO--(R1)(R2)--OO--(C.dbd.O)--(O)n R3 wherein n is 0 or 1, R1 and R2 are independently selected from the group consisting of H, C1 -C20 alkyl, C | 11/19/2002 |
