| Patent Number |
Title Of Patent |
Date Issued |
| 5442058 |
Conversion of penicillins and cephalosporins to 1-(S)-sulfoxides |
August 15, 1995 |
| The present application discloses a process for the conversion of penicillin-1-(R)-sulfoxide(s) and/or cephalosporin-1-(R)-sulfoxides in solution, to their corresponding 1-(S)-sulfoxides comprising the step of treating said 1-(R)-sulfoxide with a sufficient amount of an acid anhydrid |
| 5440010 |
Gas phase process for forming polyketones |
August 8, 1995 |
| Polyketones can be formed in enhanced yield by conducting the polymerization of the carbon monoxide and olefin monomers used to form the polyketone in a gas phase polymerization process in the presence of a polyketone catalyst support which is substantially saturated with an amount o |
| 5437718 |
Naphthenic acid esters as dispensing agents for pigment additives and products incorporating sam |
August 1, 1995 |
| The present invention provides for novel pigment-dispersant compositions, incorporating various pigments, such as for example carbon blacks, comprising dispersants which are esters of naphthenic acid, and higher and lower analogs thereof. The invention also provides for, processes for th |
| 5436346 |
Process for the preparation of benzothiazolyl-2-sulphenamides |
July 25, 1995 |
| The process for the preparation of benzothiazolyl-2-sulphenamides, by reacting a 2-mercaptobenzothiazole or dibenzothiazolyl 2,2'-disulphide with a primary or secondary aliphatic or cycloaliphatic amine in the presence of hydrogen peroxide as oxidizing agent in an aqueous medium is d |
| 5435928 |
Copolymers from .alpha.-.beta.-unsaturated dicarboxylic acid esters, and their use |
July 25, 1995 |
| Lubricant or lubricant additives comprising copolymers of .alpha.-.beta.-unsaturated dicarboxylic acid esters and .alpha.-olefins. When the olefin to ester ratio is 0.5 to 4.0 the .alpha.-olefins may have 10-16 C-atoms and the .alpha.-.beta.-unsaturated dicarboxylic acid is esterifie |
| 5434208 |
Optically non-linear active waveguiding material comprising a dopant having multiple donor-n-acc |
July 18, 1995 |
| The invention relates to an optically non-linear active waveguiding material comprising an optically transparent polymer and a non-linear optical dopant comprising more than one donor-.pi.-acceptor unit.Dopants comprising more than one donor-.pi.-acceptor unit, especially dopants in whic |
| 5426252 |
Catalytic hydrodechlorination of a chloromethane |
June 20, 1995 |
| Chloromethane compounds including carbon tetrachloride and the chlorofluoromethane compounds, such as dichlorodifluoromethane, can be catalytically hydrodechlorinated, e.g., in the case of dichlorodifluoromethane to monochlorodifluoromethane and/or difluoromethane, by treatment with |
| 5426212 |
Synthesis of .alpha., .omega.-bis(p-hydroxybenzoyloxy) alkane |
June 20, 1995 |
| The reaction of methyl p-hydroxybenzoate and a .alpha.,.omega.-alkanediol, in the presence of a transesterification catalyst, such as a metal alkoxide and/or metal acetate, can be used to synthesize an .alpha.,.omega.-bis(p-hydroxybenzoyloxy)alkane monomer. |
| 5426155 |
Anti-reversion coagents for rubber vulcanization |
June 20, 1995 |
| A rubber composition which is the vulcanization reaction product of a rubber, sulfur or a sulfur donor and particular anti-reversion coagents, is disclosed. The anti-reversion coagents only partially react under sulfur-vulcanization reaction conditions up to optimum cure, and, after |
| 5426143 |
Thermochromic infrared dyes |
June 20, 1995 |
| The invention is in the field of intrinsically thermochromic material. We have found that infrared absorbing dyes of the azamethine type have intrinsically thermochromic properties. The use of said dyes as thermochromic material has the advantage that they can be thermally activated |
| 5426121 |
Wood preservation formulation comprising complex of a copper cation and alkoxylated diamine |
June 20, 1995 |
| Liquid wood preservation formulations comprise a liquid solvent and a complex dissolved therein which is formed by the reaction of a compound containing a copper cation and an alkoxylated diamine, preferably containing at least one fatty alkyl group, such as an alkoxylated diamine wh |
| 5420327 |
Process for forming hydrocarbyl bisphosphate compound |
May 30, 1995 |
| Hydrocarbyl bisphosphate compounds containing hindered aryl substituents in the phosphate groups can be formed by: (a) reacting a hindered phenol, e.g., xylenol, with a phosphorus oxytrihalide, e.g., phosphorus oxytrichloride, to form a reaction product mixture; and (b) combining the |
| 5420326 |
Bis(pentaerythritol phosphate alcohol) hydrogen phosphonate |
May 30, 1995 |
| Bis(pentaerythritol phosphate alcohol) hydrogen phosphonate is a flame retardant compound. Such a compound can be prepared by the transesterification of a diphenyl phosphite with pentaerythritol phosphate alcohol. |
| 5418299 |
Blend of flexible coil polymer and themotropic liquid crystalline oligomer |
May 23, 1995 |
| Blends can be formed which comprise a flexible coil polymer substrate, e.g., of a poly(alkylene terephthalate), and a thermotropic, essentially liquid crystalline oligomer which comprises aromatic units and at least one linear polyalkylene spacer. These blends can be used to form fibers |
| 5412070 |
Polyketone copolymers of high bulk density and non-reactivity |
May 2, 1995 |
| Polyketones can be formed in enhanced yield by conducting the polymerization of the carbon monoxide and olefin monomers used to form the polyketone in a gas phase polymerization process in the presence of an effective amount of a liquid, non-polymerizable diluent which is effective i |
| 5405918 |
(Poly)sulfide containing polycitraconimides and polyitaconimides |
April 11, 1995 |
| Novel polysulfide-containing polycitraconimides and polyitaconimides are disclosed. Further, a process for the sulfur-vulcanization of rubber using these novel compounds is also disclosed. Also, a sulfur-vulcanized rubber product and articles of manufacture embodying this product are dis |
| 5403804 |
Initiator suspension, their preparation and use |
April 4, 1995 |
| An initiator suspension for use in the suspension polymerization of ethylenically unsaturated monomers is prepared by (a) heating the initiator to its melting point; (b) finely dividing the initiator in water while it is in a molten state; and (c) rapidly cooling so that the initiato |
| 5395910 |
Liquid-crystalline polyurethanes, compositions of said liquid-crystalline polyurethanes, and a d |
March 7, 1995 |
| The invention relates to a liquid-crystalline polyurethane having a side chain comprising a mesogenic group, giving a clear polyurethane which does not isomerize under the influence of light. Such liquid-crystalline polyurethanes are highly suited to be used for optical data storage. The |
| 5393390 |
Treatment and recycling of overspray from the spray application of waterborne coatings |
February 28, 1995 |
| A process and apparatus for treating overspray from the spray application of waterborne coatings is provided, which includes at least an electrophoresis separation step (means) for recovering substantially all of solids and higher molecular weight water-soluble components and a secon |
| 5391816 |
Formation of 1-phenylvinyl-1-phosphonic acid |
February 21, 1995 |
| A process for forming 1-phenylvinyl-1-phosphonic acid utilizes reacting a mixture of phosphorus trihalide, such as phosphorus trichloride, and acetophenone with water, under conditions in which the water is gradually added to the mixture with cooling to form a reaction mixture, which can |
| 5391793 |
Aryloxyaluminoxanes |
February 21, 1995 |
| Aryloxyaluminoxanes containing the unit ##STR1## where R is unsubstituted or substituted aryl, such as phenyl or naphthyl, are useful as a cocatalysts in Ziegler-Natta and Kaminsky-type olefin polymerization catalysts. They can be formed by reaction of a source of water with an o |
| 5391435 |
Interpenetrating network of ring-containing allyl polymers and epoxy resin laminate |
February 21, 1995 |
| A polymeric material used in laminates with metal comprises an interpenetrating polymer network composed of a cyclic moiety-containing pollyallyl compound optionally with an aromatic difunctional compound (co)polymerized and cross-linked in the presence of a free radical initiator, a |
| 5384393 |
Copolymer of carbon monoxide and propylene and process for its formation |
January 24, 1995 |
| A linear alternating copolymer of carbon monoxide and propylene, which is substantially free of ester and ether linkages, is formed by the catalyzed reaction of carbon monoxide and propylene in a ketone solvent medium (e.g., acetone). Acid end groups can be introduced if a mixture of wat |
| 5384240 |
Base dissociation assay |
January 24, 1995 |
| This invention relates to a novel reagent and a method of using the reagent in an immunoassay to detect antigens, particularly antigens immunocomplexed with their corresponding or cross-reacting antibodies. In particular, this reagent and method increase the detection of human immuno |
| 5384027 |
Reforming hydrocarbons using transition metal carbide catalyst and gaseous oxygen |
January 24, 1995 |
| A process for reforming a hydrocarbon which comprises treating the hydrocarbon, while at elevated temperature, with a transition metal catalyst while in the presence of an effective amount of gaseous oxygen to improve the selectivity of the catalyst to aromatic formation and reduce t |
| 5383965 |
Naphthenic acid esters as dispersing agents for pigment additives and products incorporating sam |
January 24, 1995 |
| The present invention provides for novel pigment-dispersant compositions, incorporating various pigments, such as for example carbon blacks, comprising dispersants which are esters of naphthenic acid, and higher and lower analogs thereof. The invention also provides for, processes for th |
| 5382648 |
Twisted nematic film, a method for the preparation thereof, and a display device comprising said |
January 17, 1995 |
| The invention relates to a twisted nematic film comprising a non-crosslinked liquid-crystalline polymer having a Tg above 75.degree. C. and a rotational viscosity (.gamma.) of less than 5000 Pascal.seconds (Pa.s) between Tg and Tni. Such twisted nematic films are used in displays. Th |
| 5381232 |
Fabry-perot with device mirrors including a dielectric coating outside the resonant cavity |
January 10, 1995 |
| In a Fabry-Perot etalon or interferometer the metal mirrors are each provided with a dielectric coating on the side facing away from the enclosed gap. The dielectric coating leads to the advantage of peak transmittance being improved without the finesse being adversely affected. The |
| 5378508 |
Laser direct writing |
January 3, 1995 |
| A method for providing a conductive metal deposit on the surface of a dielectric substrate by applying a composition comprising a mixture of a salt and amine or amide compound to the substrate and subjecting the composition to a continuous wavelength laser beam. |
| 5375726 |
Vial clip |
December 27, 1994 |
| A linear resilient device for retaining pairs of dissimilar containers. The linear device includes a number of arm portions, each arm portion extending perpendicularly to the linear device. Each arm portion defines two arcuate surfaces engageable with two dissimilar containers. Adjacent |
| 5374763 |
.alpha.-aminodinitriles containing fatty alkyl C.sub.12 to C.sub.22 group |
December 20, 1994 |
| .alpha.-aminonitrile compounds derived from a fatty alkyl alkylene diamine containing two reactible amino functionalities are disclosed which are of the formula ##STR1## where R is C.sub.12 -C.sub.22 fatty alkyl, R.sub.1 is alkylene, R.sub.2 is alkyl, and R.sub.3 is alkyl or hydr |
| 5374762 |
.alpha.-aminomononitriles containing fatty alkyl C.sub.12 to C.sub.22 group |
December 20, 1994 |
| .alpha.-aminonitrile compounds derived from a fatty alkyl alkylene diamine containing two reactible amino functionalities are disclosed which are of the formula ##STR1## where R is C.sub.12 -C.sub.22 fatty alkyl, R.sub.1 is alkylene, R.sub.2 is aryl, and R.sub.3 is alkyl, aryl, o |
| 5371265 |
.alpha.-aminodinitriles containing fatty alkyl C.sub.12 to C.sub.22 group |
December 6, 1994 |
| .alpha.-aminonitrile compounds derived from a fatty alkyl alkylene diamine containing two reactible amino functionalities are disclosed which are of the formula ##STR1## where R is C.sub.12 -C.sub.22 fatty alkyl, R.sub.1 is alkylene, R.sub.2 is aryl, and R.sub.3 is aryl or hydrog |
| 5371127 |
Stabilized carbon monoxide-olefin copolymers |
December 6, 1994 |
| Polyketone compositions can be stabilized by the addition of a suitable stabilizing amount of a blend of a hindered phenol compound, such as a thioester-containing hindered phenol and an epoxy compound (such as an epoxy cycloaliphatic carboxylate). |
| 5368587 |
Ampule shield |
November 29, 1994 |
| An ampule shield has a center tube with an upper end, and an outer tube extending coaxially with the center tube and attached to the center tube below the upper end of the center tube. The outer tube extends some distance beyond a lower end of the center tube. The outer tube is spaced |
| 5362898 |
Bis(pentaerythritol phosphate alcohol) alkylphosphonate |
November 8, 1994 |
| A bis(pentaerythritol phosphate alcohol) alkylphosphonate compound, such as one comprising an alkyl group of from about one to four carbon atoms, preferably bis(pentaerythritol phosphate alcohol) methylphosphonate, is a flame retardant compound. Such a compound can be prepared by the |
| 5358979 |
Primarily solid concentrate which contains a biocide |
October 25, 1994 |
| A microbiocide-containing concentrate for use in thermoplastic polymers as well as in plastisols, is disclosed. The concentrate is primarily solid at ambient conditions and comprises from 1-30 wt% of a microbiocide, a polymer plasticizer and up to 20 wt% of a thermoplastic resin. These |
| 5358654 |
Stable pourable aqueous bleaching compositions comprising solid organic peroxy acids and at leas |
October 25, 1994 |
| This disclosure relates to pourable bleaching compositions comprising a solid substantially water-insoluble organic peroxy acid stably suspended in an aqueous medium containing at least two polymers wherein the first polymer is selected from polysaccharides having at least 60% of the uni |
| 5354508 |
Organotin stabilizer mixture |
October 11, 1994 |
| An organotin stabilizer mixture comprising: (a) monoalkyltin mercaptoalcohol (b) a monoalkyltin mercaptoacid ester; and (c) a monoalkyltin sulfide provides improved early color, lubricity, and weatherability to rigid vinyl polymer formulations. The formulation may also contain a mono |
| 5353867 |
Heat exchanger, a method of manufacturing same, and applications |
October 11, 1994 |
| A heat exchanger having on a first and a second side inlets and outlets, respectively, for a preferably gaseous heat exchanging medium, and having a heat exchanging component made of a high thermal conductive material, such as metal, and comprised of a package of lamellae, in which the h |
| 5349079 |
Process for forming .alpha.-aminonitriles from carbonyl compound and fatty amine hydrohalide |
September 20, 1994 |
| .alpha.-aminonitrile compounds can be synthesized by reacting a carbonyl compound, for example an aldehyde, such as, one containing an alkyl group, with a fatty amine hydrohalide, for example, a fatty amine hydrochloride, in the presence of a cyanide source, for example, an alkali metal |
| 5346970 |
Blend of polyethylene terephthalate matrix and thermotropic liquid crystal block copolymer |
September 13, 1994 |
| Blends of a poly(ethylene terephthalate) matrix and a thermotropic liquid crystalline segmented block copolymer comprising rod (e.g., aromatic ester mesogen units containing flexible alkylene spacers) and flexible coil polymer blocks of poly(butylene terephthalate) can be used as molding |
| 5342686 |
Superabsorbent-coated aramid yarn and a process for manufacturing such a yarn |
August 30, 1994 |
| An aramid yarn, preferably poly(p-phenylene terephthalamide), is coated with a water swellable superabsorbent material. The swelling value of the yarn is at least 60. The superabsorbent provides water blocking capability to the yarn, so that it is suitable for use as a strength member, f |
| 5338716 |
Non-oxide metal ceramic catalysts comprising metal oxide support and intermediate ceramic passiv |
August 16, 1994 |
| Supported non-oxide metal carbide-containing catalysts are provided which comprise: (a) an oxide support, such as alumina or cordierite; (b) a passivating layer of a ceramic, such as silicon carbide; and (c) a non-oxide metal ceramic catalytic component, such as a Group VI metal carb |
| 5334443 |
Substrate with adhesion promoting film comprising vinyl chloride polymer plasticized with polyke |
August 2, 1994 |
| Coated fabrics, for example, are disclosed comprising an open weave substrate (e.g., of polyester resin) coated with an adhesion promoting film comprising a vinyl chloride polymer and a carbon monoxide-propylene copolymer (e.g., having a molecular weight of from about 400 to about 1, |
| 5331083 |
Gas phase process for forming polyketones |
July 19, 1994 |
| Polyketones can be formed in enhanced yield by conducting the polymerization of the carbon monoxide and olefin monomers used to form the polyketone in a gas phase polymerization process in the presence of an effective amount of a liquid, non-polymerizable diluent which is effective i |
| 5330944 |
Sulfur-resistant hydrogenation catalyst and process for hydrogenation using same |
July 19, 1994 |
| Tungsten carbide/zeolite catalysts useful in the hydrogenation of unsaturated sulfur containing compounds and in particular in the production of tetrahydrothiophene are provided.Also provided is a process for the production of tetrahydrothiophene from thiophene using the tungsten carbide |
