Treating a subterranean formation penetrated by a wellbore comprises: (a) providing a fluid suspension including a mixt. of a particulate material and a thermoplastic material where the thermoplastic material is in the form of flakes of thickness 2.5-250 ~mm and an average surface area of 2-325 mm2, or in the form of ribbons of thickness 2.0-250 ~mm, a width of 0.4-6.5 mm and a length of 5-50 mm; ...

Proppants comprising a particle coated with a composition comprising bisphenol-aldehyde novolak resin, a bisphenol homopolymer or mixtures including such polymers are disclosed. Foundry sands comprising a particle coated with a composition comprising bisphenol-aldehyde novolak resin, a bisphenol homopolymer or mixtures including such polymers are disclosed. Methods of making and using these proppa...

Inventia se refera la transmisii cu roti dintate si poate fi utilizata in reductoare si mecanisme de transmitere ale transmisiilor de putere. Scopul inventiei este reducerea vibratiilor si a solicitarii dinamice a nodurilor. Transmisia precesionala include o carcasa, in care sunt amplasate roti centrale 2 si 3 si un satelit cu doua coroane 6, amplasat pe o manivela cava inclinata 7. Axa cavitatii ...

PCT No. PCT/SE96/00048 Sec. 371 Date Sep. 17, 1996 Sec. 102(e) Date Sep. 17, 1996 PCT Filed Jan. 18, 1996 PCT Pub. No. WO96/22458 PCT Pub. Date Jul. 25, 1996A method and system for controlling combustion engines by detection of the present air/fuel ratio within the cylinders of the combustion engine, using an analysis of the characteristics of the ionization current, as detected via a measuring ga...

Methods for making optical quality plastics lenses with photochromic additives are described. According to a first embodiment of the invention, a casting resin containing photochromic additives is arranged between a mold and a lens preform and then cured. According to a second embodiment of the invention, a casting resin substantially free of photochromic additives is arranged between a mold and a...

The present invention refers to the new compounds of formula (I) of the secomacrolide and secoazalide class, a process for the preparation thereof as well as to new intermediates of formula (II) for the preparation of these seco derivatives.

PCT No. PCT/NO96/00073 Sec. 371 Date Sep. 29, 1997 Sec. 102(e) Date Sep. 29, 1997 PCT Filed Mar. 29, 1996 PCT Pub. No. WO96/30247 PCT Pub. Date Oct. 3, 1996A device for placing information/advertising on a shopping trolley comprises a support element with a display surface, and brackets which grip around the shopping trolley handle. The brackets are shaped like supports with ergonomically-shaped h...

Compounds with acaricidal, insecticidal and anthelmintic activities have the formula: wherein: -X-Y- is -CH2-CH2-, -CH2-CHOH-, -CH=CH-, or -CH2-C(=O)-; R<1> is a methyl group, an ethyl group, an isopropyl group, a sec-butyl group or a group of formula -C(CH3)=CHR<5> in which R<5> is a methyl group, an ethyl group or an isopropyl group; R<2> represents a group of formula -(CH2)n-C...

A compound, and a pharmaceutical composition comprising an effective mount to treat HBV or EBV of a compound, of the formula: wherein R is selected from the group consisting of 5-methyluracil, adenine and cytosine, and R' is hydrogen, acyl, or alkyl or a monophosphate, diphosphate or triphosphate ester, or its pharmaceutically acceptable salt.

The present invention relates to the novel monohydrate or (E)-2'-deoxy-2'-(fluoromethylene)cytidine useful as a ribonucleotide reductase inhibitor in the treatment of patients afflicted with neoplastic or viral disease states.

PCT No. PCT/EP95/00156 Sec. 371 Date Nov. 12, 1996 Sec. 102(e) Date Nov. 12, 1996 PCT Filed Jan. 17, 1995 PCT Pub. No. WO95/20597 PCT Pub. Date Aug. 3, 1995Oligonucleotides of the formula: 5'(U)n-3' in which U is an identical or different radical of a natural or a synthetic nucleoside and n is a number from 2 to 200 comprising at least one structural unit of two consecutive nucleosides wherein one...

PCT No. PCT/EP95/00219 Sec. 371 Date Jul. 29, 1996 Sec. 102(e) Date Jul. 29, 1996 PCT Filed Jan. 21, 1995 PCT Pub. No. WO95/20596 PCT Pub. Date Aug. 3, 1995The present invention concerns a process for the production of asymmetrical phosphoric acid diesters. The process is characterized in that a phosphoric acid ester is condensed with a compound containing hydroxy groups in the presence of an aryl...

The invention relates to derivatives of 12,13-epoxy-tylosin, the novel semisynthetic antibiotics from tylosin group and the methods of their preparation. According to this invention hydrogenation followed by oximation of 12,13-epoxy-tylosin derivatives yieldsthe following tylosin derivatives: 10,11-dihydro-12,13-epoxy, respectively 10,11-dihydro-12,13-epoxy oxime. Direct oximation of 12,13-epoxy t...

Glycolipids can be purified and concentrated with the aid of a diaphragm separation method at acid pH values and by the use of a diaphragm with a separation limit of 30,000.

The two successive compartments, desludging (8) and separating (9) respectively, are separated by a transverse partition (7) pointing generally vertically, which comprises a substantially vertical upper part (16) and a lower part (17) offset lengthwise in relation to the upper part. Application to the treatment of communal sewage before it is discharged to drain.

Compounds of the formula wherein R<1> is OH, NH2; R<2> is a heteroaromatic or aromatic substituent as defined in claim 1; R<3> is H, OH, F, OCH3; R<4> is H, F, OH or an ether or ester residue thereof, OCH3, CN, C IDENTICAL CH, N3; R<5> is OH or an ether or ester residue thereof including mono-, di- and triphosphate esters; wherein n is O or 1 and M is hydrogen or a pharmaceutically a...

The present invention is concerned with a method for the preparation of crystal-water-free crystalline lactulose by subjecting an aqeous solution or suspension of lactulose to simultaneous reduction of the water content by evaporation and continuous stirring, optionally in the presence of seed crystals, until a free-flowing solid powder is obtained.

Compounds represented by the general formula (I), wherein R<1> is a saturated or unsaturated, straight or branched hydrocarbon radical [wherein the number of carbon atoms in the longest straight chain of this hydrocarbon radical ranges from three to seven], or a radical of the formula -(CH2)n-Y [in which n is an integer from 0 to 4, when Y is a cyclohexyl radical, or n is an integer from 2 ...

PCT No. PCT/NL91/00009 Sec. 371 Date Jul. 16, 1992 Sec. 102(e) Date Jul. 16, 1992 PCT Filed Jan. 18, 1991 PCT Pub. No. WO91/10675 PCT Pub. Date Jul. 25, 1991.The invention relates to primers and a method of detecting human papilloma virus (HPV) genotypes by means of the Polymerase Chain Reaction (PCR). The invention provides such primers and such PCR conditions that in principle any genital HPV ge...

Fatty acid esters of polyols having at least 4 hydroxyl groups wherein the fatty acid groups consist essentially of: (1) long chain unsaturated fatty acid radicals containing at least 12 carbon atoms or mixtures of said unsaturated radicals with saturated fatty acid radicals containing 2 to 12 carbon atoms, and (2) long chain saturated fatty acid radicals containing at least 20 carbon atoms, where...