| Patent Number |
Title Of Patent |
Date Issued |
| RE32696 |
Enzymatic immunological method for determination of antigens and antibodies |
June 14, 1988 |
| The present invention relates.Iadd., inter alia, .Iaddend.to improvements in the sandwich technique for the determination of a component of an antigen-antibody reaction in a liquid sample to be tested, utilizing as reagents (a) one component of said reaction bound to the surface of a |
| RE32503 |
Silicic acid for the filtration of beverages particularly beer |
September 15, 1987 |
| A finely divided silicic acid simultaneously suitable as a filtering auxiliary and as a beer stabilizing agent in the filtration of beer. The acid is particulate, and the particles are of an essentially spherical or spheroidal shape with SiO.sub.2 content of at least 95% and an Na.sub.2 |
| RE31599 |
Low density matting and process |
June 12, 1984 |
| A low density matting structure of improved transverse strength obtained by vertically laying continuous melt-spun thermoplastic macrofilaments (diameter=0.1-1.5 mm) onto a horizontally moving profiled support in overlapping rows of irregularly looped filaments to form a peak and valley |
| RE31345 |
Floor covering sheet for stables |
August 16, 1983 |
| A stable floor for animals which is in structural combination with a floor covering sheet having at least two layers: a compressible sublayer of a resilient and highly porous filamentary matting partly embedded in a top layer which is impermeable to moisture. The floor covering sheet pro |
| RE31006 |
Process for the demonstration and determination of reaction components having specific binding a |
August 3, 1982 |
| The present invention relates to a process for the determination of a component of the reaction between a specific binding protein and the substance being specifically bound by such a protein comprising reacting the component to be determined with its binding partner in an insolubili |
| RE29382 |
Multifilament yarns for reinforcing articles |
September 6, 1977 |
| Reinforcing material for elastic articles and more particularly for automobile tires. The material is made up of multifilament synthetic linear high polymer yarns, each yarn having a plurality of filaments and each filament composed of at least two different polymers. One polymer fun |
| RE29169 |
Process for the demonstration and determination of reaction components having specific binding a |
April 5, 1977 |
| The present invention relates to a process for the determination of a component of the reaction between a specific binding protein and the substance being specifically bound by such a protein comprising reacting the component to be determined with its binding partner in an insolubili |
| RE28818 |
Stabilized dibenzoyl peroxides polymer initiator compositions |
May 18, 1976 |
| A polymer initiator composition and method for its production are provided, the composition being non-separating and stable and including a substantial amount of a dibenzoyl peroxide and an effective amount of a hydrophobic alkyl group-containing silica in an amount sufficient to pre |
| D270325 |
Electrical connector application tool |
August 30, 1983 |
|
| D269508 |
Electrical connector |
June 28, 1983 |
|
| D267006 |
Electrical connector |
November 23, 1982 |
|
| D266662 |
Electrical cable splice enclosure |
October 26, 1982 |
|
| D265981 |
Sterilization indicator |
August 31, 1982 |
|
| 4950422 |
Peroxide emulsions containing an anti-freezing compound |
August 21, 1990 |
| This disclosure relates to aqueous peroxide emulsions and the use thereof in suspension (co)polymerization reactions. In particular, the aqueous peroxide emulsions comprise: (a) 20-60% by weight of an organic peroxide which is liquid at -5.degree. C.; (b) 2-20% by weight of an aliphatic |
| 4855346 |
Rubber stabilizers derived from N-phenyl-p-phenylenediamine |
August 8, 1989 |
| There are disclosed novel compounds of the formula: ##STR1## wherein n=0 or 1, R.sub.1 is selected from the group consisting of a hydrogen atom, straight chain and branched chain alkyl groups and alkoxy groups, and cycloalkyl groups and cycloalkoxy groups having 5 to 8 carbon ato |
| 4801753 |
Biologically active tricyclic compounds and pharmaceutical compositions containing same |
January 31, 1989 |
| The present invention relates to novel biologically active tricyclic compounds, of the general formula I: ##STR1## and salts thereof, in which R.sub.1 represents hydrogen, alkyl of 1-6 carbon atoms, an optionally substituted aralkyl group or an acyl group,R.sub.2 represents hydrogen, |
| 4774017 |
Thickening agent for detergent containing preparations |
September 27, 1988 |
| A thickening agent comprising polyether derivatives of the general formula: ##STR1## wherein R.sub.1 is a substituted or unsubstituted hydrocarbon radical or an alkylphenol radical having 10 or more carbon atoms, n is 10 to 100, m is 0 to 25, and p is 1 to 3, and wherein R.sub.2 is a |
| 4720328 |
Method for removing impurities from caprolactam |
January 19, 1988 |
| A method for removing impurities from caprolactam is disclosed. The method comprises the sequential steps of treating the impure caprolactam with phosphorus pentoxide so that the impurities react therewith to form high boiling species and then distilling the so treated impure lactam to |
| 4708985 |
Hydrophilic polyester compounds |
November 24, 1987 |
| The invention relates to a hydrophilic moulding compound of homopolyester and/or copolyester which contains 1 to 20 percent by weight of an alkaline and/or alkaline-earth salt of salt-forming polymer and/or copolymers from ethylenic unsaturated monomers as finely dispersed filling materi |
| 4699627 |
Indigo-dyeable polyester fibers and pretreatment of polyester to produce same |
October 13, 1987 |
| A new and useful indigo-dyeable polyester is disclosed, and process for making same, for which a suitable polyester has had applied to its surface an amount of a suitable indigo dye retaining compound effective to provide said polyester with indigo fastness properties similar to cotton. |
| 4692365 |
Use of air-jet textured yarns in the manufacturing of abrasives on substrates |
September 8, 1987 |
| Use of a textured polyester filament yarn in a substrate for the manufacture of abrasives is disclosed. The substrate permits the manufacture of abrasives having a uniform and clean surface and a long running time. Coated abrasives incorporating the invention will not rapidly lose th |
| 4677208 |
Manufacture of oxazolidines by the alkoxylation of imines |
June 30, 1987 |
| N-substituted mono or bis-oxazolidines may be manufactured by reacting an alkylene oxide at alkoxylating conditions with a mono-imine of the general formula: ##STR1## or a bis-imine of the general formula: ##STR2## wherein R is a linear or branched alkyl, aryl, aralkyl, alkyl |
| 4675118 |
Quaternary ammonium salts useful as fabric softeners |
June 23, 1987 |
| A novel compound comprising a quaternary ammonium salt having the formula: ##STR1## wherein R- is an aliphatic hydrocarbon radical having a carbon chain length of from about 6 to about 18, and X.sup..crclbar. is Cl.sup..crclbar., I.sup..crclbar., Br.sup..crclbar., or OSO.sub.3 CH |
| 4666763 |
Fiber batts and the method of making |
May 19, 1987 |
| There is provided a fiber batt made from a plurality of entangled synthetic fibers arranged in a random fashion, forming a nonwoven structure. Each fiber contains a plurality of substantially spherically shaped void spaces. The batts may be made by an extrusion/blowing technique. It has |
| 4652396 |
Electrically conductive porous synthetic polymeric compositions, method for making same, and use |
March 24, 1987 |
| There is disclosed a method for increasing the electrical conductivity of a porous synthetic polymeric material. The method comprises depositing an effective amount of a polyacetylene polymerization catalyst throughout the porous structure, subsequently exposing said material to acetylen |
| 4650587 |
Ammonia scavenger |
March 17, 1987 |
| A new and useful particulate magnesium phosphate product (MGP) and method of use therefor are disclosed for removing ammonia from aqueous solutions, e.g., recirculating dialysate solutions and intragastrointestinal fluids as may result from the hydrolysis of urea. This particulate magnes |
| 4612688 |
Process for making suede-like sheet material |
September 23, 1986 |
| Staple fibers made from crimped, in particular compression crimped, multicomponent filaments of the matrix/segment type, the cross section of which shows, in addition to the matrix, at least 6 peripheral wedge-shaped or lenticular segments, not completely covered by the matrix, are p |
| 4612147 |
Process for the manufacture of hydrophilic polyester fibers |
September 16, 1986 |
| Polyester fibers containing one or more oxalate complexes of the general formulaare drawn and subjected to a hydrosetting process at temperatures of 90.degree. to 170.degree. C. in the presence of liquid water, the water containing one or more of the following surfactants: salts of parti |
| 4603885 |
Apparatus and structure for joining pipe |
August 5, 1986 |
| A pipe and sleeve telescoped joint with the pipe and sleeve in sealing engagement and keys embedded in both pipe and sleeve at their interface. The size and number of the keys are calculated from the size and strength of the pipe. The sleeve is sized and its strength selected from the |
| 4601937 |
Temporary compaction of fiber non-wovens |
July 22, 1986 |
| A method of temporarily densifying a bulky non-woven matting or fabric for handling and storage is disclosed, wherein the non-woven is heated, preferably to a temperature above 100.degree. C. but below the softening temperature while in a compacted state, then immediately cooled in the |
| 4586982 |
Process for the de-inking of printed waste paper |
May 6, 1986 |
| There is disclosed an improvement to the process for the de-inking of printed waste paper which comprises (1) treating the waste paper in a pulper at an alkaline pH with alkali silicate, an oxidatively active bleaching agent, one or more acid components selected from the group consis |
| 4586523 |
Cleaning control through measurement of electrical conductivity |
May 6, 1986 |
| There is disclosed a process for cleaning the interior wall of a metal vessel or pipe comprising flooding or turbulently impacting the interior wall of said vessel or pipe with a strongly alkaline or strongly acidic cleaning fluid, simultaneously measuring the conductivity of the cleanin |
| 4579593 |
Hexahydropyrimidines as asphalt emulsifiers and emulsions containing hexadropyrimidines |
April 1, 1986 |
| A rapid-set asphalt emulsion which comprises at least 60% residue, 30% water, 0.1% acid, and 0.15% of an emulsifier, the emulsifier comprising a hexahydropyrimidine of the general formula: ##STR1## wherein R.sub.1 is an alkyl group having from 8 to 18 carbon atoms, and R.sub.2 an |
| 4575434 |
Process for the separation of amides from nitriles |
March 11, 1986 |
| A process for the removal of impurities comprising amides from a solution comprising nitriles and the impurities. A reaction mixture is formed which includes the solution, a layered mineral comprising aluminum silicates having exchangeable alkaline or alkaline earth cations on the surfac |
| 4569800 |
Quaternary ammonium salts useful as fabric softeners |
February 11, 1986 |
| A novel composition of matter, the quaternary ammonium salt having the formula: ##STR1## wherein X.sup..crclbar. is Cl.sup..crclbar., I.sup..crclbar., Br.sup..crclbar., or OSO.sub.3 CH.sub.3.sup..crclbar., which forms a fabric softening compound that is soluble in water and/or i |
| 4558135 |
Process for the preparation of dithiazolyl disulfides |
December 10, 1985 |
| A process for the preparation of dithiazolyl disulfides by the catalytic oxidation of a 2-mercaptothiazole with ammonia and either oxygen or an oxygen-containing gas at a temperature of between 0.degree. and 150.degree. C. |
| 4554121 |
Method of forming latent-contractable elastomeric composite yarns |
November 19, 1985 |
| This invention relates to a process for forming composite yarns comprising an elastic filament and at least one relatively inelastic filament, which process comprises entangling a latent-contractable elastomer producing polymer filament with a relatively inelastic filament while the |
| 4552603 |
Method for making bicomponent fibers |
November 12, 1985 |
| Novel heat bondable bicomponent fibers useful in the production of nonwoven fabrics, as well as methods for the production of such fibers, are disclosed. The fibers comprise a latently adhesive component for forming interfilamentary bonds upon the application of heat and subsequent c |
| 4545949 |
Process for the manufacture of flame-resistant and hydrophilic polyester fibers |
October 8, 1985 |
| Polyester fibers containing an oxalate complex of the general formulaare obtained by transesterification of terephthalic acid with ethylene glycol where, in addition to conventional transesterification catalysts, such as bivalent zinc, calcium, magnesium and manganese salts, salt formers |
| 4544506 |
Quaternary ammonium compounds and method for their manufacture |
October 1, 1985 |
| Quaternary ammonium compounds having the general formula: ##STR1## wherein m is either 0, 1, 2, or 3; each R.sub.5 may be the same or different and are selected from the groups including straight- or branched-chain alkyl or alkenyl radicals having from 1 to 30 carbon atoms, inclu |
| 4542163 |
Method for the manufacture of polyisocyanurate foams |
September 17, 1985 |
| A method for the manufacture of polyisocyanurate foams which comprises blending a "B" side with an "A" side that includes an isocyanate. The "B" side comprises a polyester polyol, an amine/quaternary ammonium borate ester blend, a surfactant, a blowing agent, and a metal catalyst in |
| 4539294 |
Immobilization of proteins on polymeric supports |
September 3, 1985 |
| A protein is immobilized by a simple and effective method on a porous polymeric support by a first soaking in a dilute long-chain cationic solution and a second soaking in a dilute aqueous protein solution. The long chain cationic is preferably a nitrogen compound such as a diamine h |
| 4533790 |
Electrical conductor assembly |
August 6, 1985 |
| A flexible free-stripping composite cable assembly having a plurality of groups of electrical conductors including power supply, telephone and CATV/DATA conductors. Each group of conductors is contained within a distinct portion of a common insulation jacket. The jacket portions are |
| 4530938 |
Polyols for urethane-modified isocyanurate foams |
July 23, 1985 |
| A method for the manufacture of urethane-modified polyisocyanurate foams in which an isocyanate is blended with a "B" side comprising a polyol blend, a surfactant, a blowing agent, and a catalyst. The polyol blend comprises at least 5% (wt.) of a mixture of a polyalkoxylated amine and a |
| 4530937 |
Method for the manufacture of polyisocyanurate foams |
July 23, 1985 |
| A method for the manufacture of polyisocyanurate foams which comprises blending a "B" side with an "A" side comprising an isocyanate. The "B" side comprises a diol, an amine/quaternary ammonium borate ester blend, a surfactant, a blowing agent, and a catalyst which is present in amounts |
| 4529491 |
Photopolymerizable composition, photoinitiator mixture and curing process |
July 16, 1985 |
| The present invention relates to a photopolymerizable composition comprising a polymerizable, polyethylenically unsaturated compound, benzil and/or fluorenone, a specific biphenyl ketone such as para-phenyl benzophenone, and a reducing agent such as a tertiary amine. The present comp |
| 4522880 |
Thick polyimide-metal laminates with high peel strength |
June 11, 1985 |
| A laminate comprising an insoluble, intractable relatively thick layer of a polyimide bonded tightly onto a metallic substrate without the necessity for an intermediate adhesive bonding layer and a process for preparing such by directly extruding a polyamic acid polyimide-precursor onto |
| 4521945 |
Yarn bulking jet |
June 11, 1985 |
| A bulking device for making loop yarn, comprising a base with a blowing chamber, a pin insert with a yarn feeding channel and a jet insert with a yarn delivery channel, followed by a diffusor having resonance chamber just behind the inlet cross section from the yarn delivery channel. |
| 4521326 |
Thickening agent based on polyether derivatives |
June 4, 1985 |
| A thickening agent comprising polyether derivatives of the general formula: ##STR1## wherein R.sub.1 is a substituted or unsubstituted hydrocarbon radical or an alkylphenol radical having 10 or more carbon atoms, n is 10 to 100, m is 0 to 25, and p is 1 to 3, and wherein R.sub.2 is a |
| 4519909 |
Microporous products |
May 28, 1985 |
| Novel microporous polymers in forms ranging from films to blocks and intricate shapes from synthetic thermoplastic polymers, such as, olefinic, condensation, and oxidation polymers, are disclosed. In one embodiment the microporous polymers are characterized by a relatively homogeneous, |
