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| Number | Title | Issue Date |
| 7252784 | Cyclic ketone peroxide formulations The present invention relates to a cyclic ketone peroxide formulation comprising one or more crystallizing cyclic ketone peroxides, one or more co-crystallizing compounds which solidify in said cyclic ketone peroxide formulation at a temperature above the crystalliz... | 08/07/2007 |
| 7047171 | Method for the characterization of the three-dimensional structure of proteins employing mass spectrometric analysis and computational feedback modeling A method for characterizing the three-dimensional surface structure of molecules, particularly proteins and protein complexes, employing mass spectrometric analysis, an electrospray ionization (ES) source, a novel data interpretation process that utilizes comparison... | 05/16/2006 |
| 6936722 | Polyhalogenated ethers (Per)haloethers having formula: X—(Rf)L—O—CF2CF2—O—CX1X2—CFX3X4 (I), process for obtaining them and hypofluorites usable in the synthesis of said (per)h... | 08/30/2005 |
| 6743564 | Amine compounds, resist compositions and patterning process Amine compounds having a cyano group are useful in resist compositions for preventing a resist film from thinning and also for enhancing the resolution and focus margin of resist. ... | 06/01/2004 |
| 6610736 | 16-Halogen-epothilone derivatives, method for producing them and their pharmaceutical use The invention relates to novel epothilone derivatives of general formula (I), wherein R8 means a halogen atom, especially a fluorine or chlorine atom, and the remaining substituents have the meanings given in the description. The novel compound... | 08/26/2003 |
| 6566391 | Trioxepan compounds The invention relates to compounds of formulae I and II ##STR1## and compositions comprising these compounds.... | 05/20/2003 |
| 6429202 | Phospholipid complexes of proanthocyanidin A2 as antiatherosclerotic agents The present invention relates to complexes of proanthocyanidin A2 and one or more phospholipids, pharmaceutical compositions containing the complex of proanthocyanidin A2 and one or more phospholipids, and methods of treating or preventing atherosclerosis... | 08/06/2002 |
| 6337944 | Polymeric optical waveguide doped with a lanthanide-sensitizer complex The invention relates to a polymeric waveguide comprising a lanthanide ion-sensitizer complex, characterized in that the lanthanide ion is preferably neodymium(III) ion (Nd3+), ytterbium(III) ion (Yb3+), or erbium(III) ion (Er3+... | 01/08/2002 |
| 6323163 | Fluorocompound, lubricant, surface modifier, lubricating film, magnetic recording medium, and magnetic recording device The present invention is a fluorine-containing compound having i) a perfluoropolyoxyalkyl or -alkylene chain having an average molecular weight of 800 or more and ii) a cyclic or non-cyclic polyether atomic group. Its use as a low-scattering lubricant or ... | 11/27/2001 |
| 6130096 | Chemical complexes Rotaxanes and pseudorotaxanes, methods of making them, intermediates in their formation and methods of using them in sensors are provided based upon changes in color absorption upon cation contact.... | 10/10/2000 |
| 6054597 | Processes and intermediates for the preparation of cyclic urea HIV protease inhibitors This invention relates to novel compounds and derivatives thereof containing a trioxepane protected diol in addition to a hydrazone, hydrazine, amine, or cyclic urea moiety; methods for the preparation of said compounds; and the use of said compounds in p... | 04/25/2000 |
| 6040462 | Calix[4 ]arene dibenzo crown ethers, their preparation process and their use for the selective extraction of cesium ion Novel calix[4]arene dibenzo crown ethers useful to selectively extract cesium are represented by the formula: wherein R is a C1 -C10 normal alkyl, a phenyl or a methoxyphenyl, R' is hydrogen, p-tert-butyl or a C1 -C10... | 03/21/2000 |
| 5969074 | Reaction of perfluoroolefins with Bis (Silyl) ethers to produce fluorinated compounds A reaction of perfluoroolefins with bis(silyl) ethers to produce novel partially fluorinated and perfluorinated copolymers and macrocyclic compounds is disclosed.... | 10/19/1999 |
| 5808110 | Cyclic ketone peroxide formulations A transportable, storage stable cyclic ketone peroxide composition which comprises 1.0-90% by weight of one or more cyclic ketone peroxides and 10-99% by weight of one or more diluents selected from the group consisting of liquid phlegmatizers for the cyc... | 09/15/1998 |
| 5792876 | Process for producing acetals A process is described for producing acetals comprising reacting an aldehyde or a ketone with an alcohol in the presence of a titanium compound having an acetylacetone as a ligand, or in the presence of a compound selected from the group consisting of sta... | 08/11/1998 |
| 5776951 | Anti-atherosclerotic diaryl compounds The present invention is concerned with diaryl compounds of formula (l) and their use in medical therapy, particularly in the prophylaxis or treatment of a clinical condition for which an ACAT inhibitor is indicated, such as hyperlipidaema or atherosclero... | 07/07/1998 |
| 5721305 | Polyglycerol production Glycerol, 2,2-dimethyl-1,3-dioxolane-4-methanol (Solketal), glycidol or glycerol carbonate is polymerized into preponderantly linear oligomers at 150° C. to 350° C. in the presence of anionic clay material, preferably hydrotalcite, as a catalyst.... | 02/24/1998 |
| 5710286 | Processes and intermediates for the preparation of cyclic urea HIV protease inhibitors This invention relates to novel compounds and derivatives thereof containing a trioxepane protected diol in addition to a hydrazone, hydrazine, amine, or cyclic urea moiety; methods for the preparation of said compounds; and the use of said compounds in p... | 01/20/1998 |
| 5657156 | Polymeric optical amplifier doped with lanthanide The invention relates to a polymeric optical amplifier doped with lanthanide ions, which are present in the amplifier in the form of a complex. The invention also relates to novel electrically neutral lanthanide complexes which can be applied with advanta... | 08/12/1997 |
| 5608058 | Processing for purifying crown compounds A process of preparing a purified crown compound is disclosed which comprises the steps of (a) dissolving a crown compound and a salt in an organic solvent to form a solution of a complex salt of a crown compound; (b) filtering the solution to obtain a fi... | 03/04/1997 |
| 5581398 | Polymeric optical amplifier doped with lanthanide The invention relates to a polymeric optical amplifier doped with lanthanide ions, which are present in the amplifier in the form of a complex. The invention also relates to novel electrically neutral lanthanide complexes which can be applied with advanta... | 12/03/1996 |
| 5496522 | Biosensor and chemical sensor probes for calcium and other metal ions The present invention relates to chemical sensor and biosensor probes for measuring low concentration of metals and metal ions in complex samples such as biological fluids, living cells, and environmental samples. More particularly the present invention r... | 03/05/1996 |
| 5489699 | Unsaturated peroxide compositions, polymeric-peroxides derived therefrom and their uses Novel unsaturated peroxide compositions of Structure A, R--Q--X--R1 A [Where the R--Q-- grouping contains a polymerizable carbon-carbon double bond, --X-- is a direct bond or a connecting diradical and --R1 | 02/06/1996 |
| 5462989 | Fiber optic potassium ion sensor A sensor (10) is provided for detecting the concentration of potassium ions which comprises a molecule which selectively complexes potassium ions. The molecule, e.g., 2,2-bis[3,4-(15-crown-5)-2-nitrophenylcarbamoxymethyl]tetradecanol-14, has at least... | 10/31/1995 |
| 5457215 | Reaction of perfluoroolefins with bis(silyl) ethers to produce fluorinated compounds A reaction of perfluoroolefins with bis(silyl) ethers to produce novel partially fluorinated and perfluorinated copolymers and macrocyclic compounds is disclosed.... | 10/10/1995 |
| 5391726 | Preparation of giant ring compounds The invention concenrs giant ring compounds containing about 20 to about 160 atoms in the backbone of the ring and methods for preparing the giant ring compounds.... | 02/21/1995 |
| 5314878 | Composition for removing or inactivating harmful components in blood or other extracellular body fluids A composition for removing or inactivating harmful components including virus from blood or other extracellular liquids comprises a crownether compound substituted on a polysaccharide, preferably dextrane. The composition may be soluble in water, preferab... | 05/24/1994 |
| 5290950 | Tetra substituted cyclohexane composition Disclosed is a tetra substituted cyclohexane having an ionophore in the one and two positions wherein the ionophore may be the same or different and is selected from the group consisting of a crown, a podand and a cryptand wherein the ionophore is capable... | 03/01/1994 |
| 5254699 | Cyclic perfluoroethers and method of making Provided are novel cyclic perfluoroethers which are thermally and chemical stable fluids. They are prepared by photo decarbonylation of cyclic perfluoroketones.... | 10/19/1993 |
| 5252733 | Volatile crown ligand ଲ-diketonate alkaline earth metal complexes Volatile ଲ-diketonate alkaline earth metal complexes useful in chemical vapor deposition (CVD) operations are formed using a cyclic ligand, such as a macrocyclic crown ether, to increase the degree of coordination and shielding around the individual... | 10/12/1993 |
| 5247101 | Cyclic perfluoroketones and method of making Provided are novel cyclic perfluoroketones which are thermally and chemically stable fluids. They are prepared by reacting perfluorodicarboxylic acid difluorides with carbonates in aprotic polar solvents.... | 09/21/1993 |
| 5225173 | Methods and devices for the separation of radioactive rare earth metal isotopes from their alkaline earth metal precursors Methods and devices for the separation of a radioactive rare earth metal isotopes or a radioactive isotope of yttrium or scandium from their alkaline earth metal precursors with ionizable dibenzo ether derivatives.... | 07/06/1993 |
| 5210233 | Cyclic perfluoropolyether Novel hydroxy containing fluorovinyl ethers, polymers of hydroxy containing fluorovinyl ethers, novel cyclic ethers, copolymers of selected hydroxy containing fluorovinyl ethers, a process for reducing ester containing fluorovinyl compounds to the corresp... | 05/11/1993 |
| 5210216 | Calixarene and oxacalixarene derivatives and use thereof of sequestration metals Calixarene and oxacalixarene derivatives of the formula IV: ##STR1## wherein m'+m"=0-8 n=0-8 m'ࣙ1/2(m'+m") 3ࣘm'+m"+nࣘ8 if n=0, m'+m"ࣙ4 R3 is H, halogen, or hydrocarbyl, aryl, hydrocarbylaryl or a substituted derivative thereof and R | 05/11/1993 |
| 5177221 | Chromogenic hemispherands and their preparation The present invention resides in the discovery of a new class of compounds defined herein as "chromogenic hemispherands" useful for the measurement of ions, in particular, ions in aqueous solution, which have the structure ##STR1## wherein: R, same o... | 01/05/1993 |
| 5162525 | Fluorogenic and chromogenic three-dimensional ionophores as selective reagents for detecting ions in biological fluids Novel fluorogenic and chromogenic three-dimensional ionophores are provided which selectively bond ions such as potassium, sodium, and lithium, even in neutral aqueous or alcohol media. The novel ionophores comprse an "ion-recognizing system" fused to a "... | 11/10/1992 |
| 5154890 | Fiber optic potassium ion sensor A sensor (10) is provided for detecting the concentration of potassium ions which comprises a molecule which selectively complexes potassium ions. The molecule, e.g., 2,2-bis(3,4-(15-crown-5)-2-nitrophenylcarbamoxymethyl)tetradecanol-14, has at least... | 10/13/1992 |
| 5136033 | Ion selective fluorogenic reagents Novel fluorogenic ionophores have been synthesized which selectively bind ions such as potassium and sodium, even in neutral aqueous and alcoholic media and respond to such binding by fluorescence quenching or enhancement. These ionophores are ideal for t... | 08/04/1992 |
| 5120459 | Perfluorinated polyethers and process for their preparation Perfluorinated polyethers having the formula Rf O--(CF2 CF2 O)n --R'f wherein n is an integer of 1-11 and each of Rf and R'f is a perfluorinated C1 -C5 -alkyl radical... | 06/09/1992 |
| 5082955 | Method of separating isomers of a crown ether compound to recover cis-syn-cis isomer from dicyclohexyl 18-crown 6. A method for separating the isomers of a crown ether compound and making it possible to recover in particular the pure cis-syn-cis isomer from DCH 18C6 includes: a) dissolving in an organic solvent a mixture of the isomers of said crown compound including... | 01/21/1992 |
