process (Total 1179279 Patents Found)

The invention relates to essentially linear polyurethane elastomers, having improved properties, made from polyester or polyether diols, diisocyanates and chain extenders, the latter having liquid-crystalline properties; and also films and, in particular, fibres which are prepared on the basis of such liquid-crystallin...
Heat-sensitive recording materials having a recording layer comprising a soluble heat-sensitive organic high molecular weight compound which is folded to show a granular state on a support, and a recording process for obtaining images which comprises imagewise applying heat to the recording layer to insolubilize the hi...
Disclosed are herein optically active ester derivatives represented by the formula (I): ##STR1## (wherein R 1 represents an alkyl group having 3 to 20 carbon atoms; R 2 represents an optically active alkyl or alkoxyalkyl group having 3 to 15 carbon atoms optionally substituted by halogen atoms; Y represents --O--, --...
The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde type binder containing a binder modifier which is a cros...
Disclosed is an integrated circuit process which includes forming two types of active devices: a first set of IGFETs has silicide gates, and the second set has TiN gates. The same TiN thin film layer also provides local interconnect. Optionally the TiN-gate devices may be used for high-voltage devices and the silicide-...
Supported catalysts comprised of one or more metals of Group VIII, optionally one or more metals from Group IB and IIA, aluminum and silicate are used for hydrogenating hydrogenatable organic compounds. The catalysts can be produced by coprecipitating metal ions from Group VIII, optionally metal ions from Groups IB and...
A system and a process for combusting hydrocarbons to recover energy and the carbon dioxide resulting from the combustion is provided. The process utilizes a two-stage combustion process, each stage utilizing water injection and a recirculation stream to increase the efficiency of combustion to generate larger proporti...
Aluminum or aluminum alloy is first anodized to form an oxide film thereon. The anodized basis metal is electrolyzed by use of alternating current in an electrolytic solution which is prepared by adding formaldehyde, usually as formalin, and a thiosulfate to an acid solution of stannous sulfate. The acid solution of st...
A process for preparing a compound of formula (I) ##STR1## (where (i) R 1 is an ethoxy group and R 2 is a hydrogen atom, (ii) R 1 is a hydrogen atom and R 2 is a bromine atom or (iii) (R 1 and R 2 together with the carbon atom to which they are attached represent>C═O) which comprises stereoselectively reduci...
Blood pressure in animals is reduced by administering tyrosine, a tyrosine precursor, tryptophan or mixtures thereof, either alone or in combination with a substance which is known to reduce blood pressure. A novel composition is provided comprising a unit dosage form of tyrosine, a precursor for tyrosine, tryptophan o...
A process for producing gamma-butyrolactone by catalytic hydrogenation of maleic anyhydride in the liquid phase with hydrogen, at a high temperature and under pressure, in the presence of a catalyst comprising nickel and palladium deposited on a support, wherein said support is a silica based support having a very high...
A process for the reduction of nitrogen oxides in an effluent from the combustion of a carbonaceous fuel while minimizing the production of other pollutants is presented. The process comprises introducing a nitrogen oxides reducing treatment agent comprising an ammonium salt of an organic acid having a carbon to nitrog...
Mixtures of a rare earth and an intermetallic compound comprising the rare earth and a ferromagnetic metal selected from the group consisting of iron and cobalt which are formed by the reduction-diffusion process are decalcified by reacting the product of the reduction-diffusion reaction with neodecanoic acid and disso...
The invention concerns a method for reactive separation of mixtures containing hydrocarbons and oxygenated hydrocarbons, by contacting a mixture of hydrocarbons such as C 2 to C 26 hydrocarbons and mixtures thereof and oxygenated hydrocarbons, such as C 2 to C 40 oxygenated hydrocarbons and mixtures thereof to form...
A process for fabricating a waveguide with a desired tapered profile is disclosed. The waveguide has a first section with a first height and a second section with a second height. The first height is greater than the second height. The waveguide height tapers from the first height to the second height. The waveguide is...
A thick-walled, integrally woven, three-dimensionally shaped fabric which is produced on a circular type weaving machine is comprised of a plurality of yarn systems each of which defines a plurality of yarn planes with the yarn planes of each yarn system being distinct and traversing selected yarn planes of the other y...
Manganese dioxide is prepared from a manganese (III)-containing oxide by disproportionating the latter with a perhalo acid to yield both manganese dioxide and a solution containing manganese (II) ions, and, if desired, removing the manganese dioxide precipitate from the manganese (II) ion solution. The manganese (II) s...
A method of electronic requisition processing includes storing company-specific requisition rules and an electronic catalog on a central computer system located at a first site. The central computer system is linked to a number of companies by means of an external communications line, such as a telephone system-and-mod...
Titanates of barium, strontium, or mixed barium and strontium consisting essentially of solid, non-aggregated particles having diameters ranging from 0.05 to 1 micron and a narrow particle size distribution expressed by the polydispersity index, dw/dn, not greater than 1.20, where dw is the weight average diameter and ...
A frame for a removable dental prosthesis has a base part having a layer of woven fabrics of a composite material, which is arranged as a support shell in the form of an arch designed to cover at least a part of the patient's jaw. An intermediate part extends along the top of the base part to form a beam having a g...
Escherichia coli carrying a hybrid plasmid having been constructed by inserting a desired foreign gene into an expression vector so as to permitting expression of said desired foreign gene therein was cultured at a temperature 40° C. or over so that the expression of said desired foreign gene was suppressed. This E. c...
A process for adjusting the boost pressure in an internal-combustion engine, supercharged by an exhaust-gas turbocharger with adjustable turbine diffuser, to a predetermined desired boost-pressure value dependent on the operating point. To improve the efficiency of the internal-combustion engine in the non-steady-state...
An animal excreta disposing material exhibiting a low calorific value can be produced by the use of a waste plastic exhibiting a high calorific value. An animal excrete disposing granular material exhibiting a low calorific value, produced by mixing one or more waste plastics with an inorganic material and granulating ...
Polyamines containing from 0.19 to 20.3 wt. % aromatically bound primary amino groups are produced by hydrolyzing an isocyanate group containing compound in the presence of excess water, a tertiary amine and, optionally an ether solvent. The hydrolysis is carried out at a temperature of from -10° to 150° C. in a mann...
A process for ethylbenzene production that involves contacting a hydrocarbon feedstream including benzene and ethylene, under alkylation conditions, with a catalytic molecular sieve which has been modified by being ex situ selectivated with a silicon compound. The ex situ selectivation involves exposing the molecular s...
Production of stabilized pulverulent red phosphorus. The phosphorus so stabilized comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilizer, wherein the metal compound is the aluminum, c...
A method is provided for delignifying and bleaching a lignocellulose material, wherein an aqueous solution of a redox catalyst and an oxidant is reacted with the material. The catalyst comprises an organometallic cation of the general formula [(1)Mno 2 Mn(L)] n+ , wherein Mn is manganese (III) or (IV) oxide, the two M...