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| Patent # | Description |
|---|---|
| US-4,838,923 |
Organo-phosphorus compound and herbicide comprising it as active
ingredient An organo-phosphorus compound represented by the following formula (I) ##STR1## wherein X and Y are identical or different and each represents a hydrogen ... |
| US-4,838,922 |
Method for producing monocalcium phosphate and products produced
therefrom Methods of producing monocalcium phosphate and products created therefrom are provided. The method includes the steps of mixing phosphoric acid and water with... |
| US-4,838,921 |
Plunger assembly for a glassware forming machine A plunger assembly is provided wherein the precise centering of the perforated section of the cooling tube within a plunger of an I.S. type glass forming machine... |
| US-4,838,920 |
Method of and apparatus for positioning of sheets of glass for curving
same The invention relates to the precise positioning of sheets of glass on a conveyer, particularly in an installation for curving sheets of glass. Positioning the... |
| US-4,838,919 |
Pretreatment of fused cast refractories The potential for fused cast ceramic refractories to release stones into molten material with which it is in contact is reduced by subjecting the refractory to a... |
| US-4,838,918 |
Inert atmosphere cooler for optical fibers In the manufacture of optical fibers, at least a portion of a preform of optical glass is heated into a molten state and drawn to create an optical fiber of the... |
| US-4,838,917 |
Process and apparatus for the production of very fine mineral fibers, in
particular glass fibers The streams of melt issuing from the melt outlet apertures (18) at the bottom of a melting crucible (14) are broken up into fibers in a drawing nozzle by means... |
| US-4,838,916 |
Method for making single-polorization, single mode optical fibers A single-polarization single-mode optical fiber comprises a core made of silica glass, a clad surrounding the core and made of silica glass having a smaller... |
| US-4,838,915 |
Method for heating thick-walled glass tubes and apparatus therefore A method for heating thick-walled glass tubes, particularly quartz tubes, in the manufacture of optical fibres while using microwave energy. According to the... |
| US-4,838,914 |
Process for producing silica glass fibers A process for producing silica glass fibers comprising: a step of preparing a silica glass fiber spinning solution by adding a polymerization regulator to a silica... |
| US-4,838,913 |
Double column air separation process with hybrid upper column A double rectification column air separation system with an associated argon column having a hybrid upper column containing both trays and packing in a defined... |
| US-4,838,912 |
Method and apparatus for the purification and recirculation of gases The invention relates to a method and apparatus for the purification and recirculation of gases which are fed to a plant for the production of metal powder or... |
| US-4,838,911 |
Video tape storage cabinet A videotape storage cabinet is disclosed which includes a housing having a base portion supporting a videotape cooling compartment, a heat sink compartment, and... |
| US-4,838,910 |
Air driven filtration system An air driven filtration system is disclosed. The system includes a power module housing, an air driven motor and a removable filter pack. The power module is... |
| US-4,838,909 |
Cartridge air filter and method of making the same A cartridge air filter for use with an internal combustion engine and method of making the air filter. The air filter comprises a fuel spitback shield having... |
| US-4,838,908 |
Engine air intake screen assembly An engine intake screen assembly is provided. A rotatable screen has a continuous peripheral skirt which telescopes with an upstanding housing ring-like flange... |
| US-4,838,907 |
High efficiency industrial vacuum cleaner A vacuum cleaner uses a special self-cleaning filter arrangement including an initial fabric filter having a relatively large mesh size with a broad open mesh... |
| US-4,838,906 |
Contact-and-separating element A contact-and-separating element of a vortex tray of liquid-gas mass-tranr apparatus comprises a nozzle (1). At least one annular row of holes (2) is provided... |
| US-4,838,905 |
Filter element and method of making a filter element A filter element comprises a relatively rigid fluid-permeable cylinder (5), around which is provided a body (7) of non-woven fibrous filter material. A jacket... |
| US-4,838,904 |
Semi-permeable membranes with an internal discriminating region The invention is a semi-permeable membrane which comprises a polymeric matrix with two porous surfaces and a region which functions to separate one or more gases... |
| US-4,838,903 |
Multi-phase thick-bed filter The invention being a multi-phase thick bed filter assembly having a main filter element the primary function of which is to remove aerosols from a moving gas... |
| US-4,838,902 |
System and method for self-cleaning barrier-type air filter Disclosed in an apparatus and method for self-cleaning a barrier-type air filter. In an aircraft, a filter may be located within an air delivery duct wherein... |
| US-4,838,901 |
Lightweight filter A lightweight, snap together filter is provided for use under high stress environmental conditions. The casing and cover of the filter may be molded from high... |
| US-4,838,900 |
Polyimide gas separation membranes Aromatic polyimide gas separation membranes of the formula: ##STR1## or mixtures thereof, --R'--is ##STR2## linear alkylene groups of the formula... |
| US-4,838,899 |
Curette sharpening hone and method of making A dental curette hone consisting of a ceramic made from particulate aluminum oxide abrasive. The hone having a curved elongated edge and a flat elongated... |
| US-4,838,898 |
Method of removal and disposal of fly ash from a high-temperature,
high-pressure synthesis gas stream A process for the partial combustion of finely-divided coal at high temperatures and pressures to make synthesis gas having entrained particles of fly ash which... |
| US-4,838,897 |
Reformer The present invention relates to a reformer for producing a hydrogen rich gas by reaction of natural gas with steam by a catalytic action with heating, and... |
| US-4,838,896 |
Composition useful for aftertreating dyeings, printings and optical
brightenings: epihaldhydrin-ammonia... A mixture of a textile auxiliary (T) obtained by reacting epichlorohydrin and ammonia in defined mole ratio, and a polymeric compound (P) which is a ... |
| US-4,838,895 |
Process for the preparation of concentrated aqueous dye formulations by
desalination and concentration by... Concentrated aqueous dye formulations of anionic dyes are prepared from the corresponding crude dye solutions or suspensions, in which the anionic dyes are... |
| US-4,838,894 |
Hair dye coupler and process for making A substituted m-aminophenol coupler useful in hair dyeing having the formula ##STR1## and acid addition salts thereof wherein x and y are selected from the ... |
| US-4,838,893 |
Oxidation hair dyes comprising substituted dihydroxypyridines as
coupling components This invention is directed to compositions of the developer-coupler type of the dyeing of hair, consisting essentially of substituted dihydroxypyridine compounds... |
| US-4,838,892 |
Thermoplastic leather material and its preparation A novel thermoplastic composition of matter is produced by subjecting leather, especially particulate leather scrap optionally admixed with one or more additives... |
| US-4,838,891 |
Joint prothesis This invention relates to a joint prosthesis for permanent anchorage in the bone tissue of a joint in a human body, for instance a knee joint. The joint... |
| US-4,838,890 |
Intraocular prosthetic lens The intraocular prosthetic lens comprises an optical lens and two diametrally opposite loop-shaped support elements. Each of the support elements is made up of... |
| US-4,838,889 |
Ventricular assist device and method of manufacture A ventricular assist device and a method of manufacturing the ventricular assist device. The device is generally flat in shape and gently curved so that it may... |
| US-4,838,888 |
Calcification mitigation of implantable bioprostheses A process for treating biological tissue prior to implantation to mitigate the calcification of the tissue following implantation comprises incorporating... |
| US-4,838,887 |
Programmable valve pump An implantable valve accumulator pump for the delivery of medication is disclosed. The implantable pump comprises a drug reservoir maintained a constant pressure... |
| US-4,838,886 |
Pad holder A stretchable, knitted, panty-type holder for disposable or reuseable absorbent wound dressings or pads for babies or adults has a generally hour-glass shape... |
| US-4,838,885 |
Form-fitting self-adjusting disposable garment with a multilayered
absorbent An anatomically form-fitting, self-adjusting disposable garment with a stretchable outer cover (20), fixed position fasteners (70) (72) (74) (76) attached to the... |
| US-4,838,884 |
Method of using a surgical repair mesh A mesh or fabric, having zero to variable stretch, is made from absorbable or partially absorbable fibers. The mesh or fabric can be either knitted or woven. The... |
| US-4,838,883 |
Urine-collecting device A urine-collecting device comprising a urine-collecting bag having an opening for inserting a penis therethrough, the opening being made on one side surface of... |
| US-4,838,882 |
Mouth moisturizing pad The mouth moisturizing pad for treatment of an individual suffering from xerostomia comprises at least two approximately oval shaped sponge sections saturated... |
| US-4,838,881 |
Multilumen catheter and associated IV tubing A multilumen catheter comprises separate proximal IV tubes of substantially circular cross-section welded in fluid communication with each of the substantially... |
| US-4,838,879 |
Catheter A catheter having a curved distal end portion or a flexible distal end portion able to bend when being used, which comprises at least one radio opaque ring... |
| US-4,838,878 |
Universal clamp A clamp for holding an article to an object including a base means for adhering the clamp to the object, a flap, securing means for securing the flap to the base... |
| US-4,838,877 |
Polymeric hypodermic device There is disclosed a polymeric hypodermic device that comprises a hollow polymeric needle for injection of substances beneath the skin. The polymeric hypodermic... |
| US-4,838,876 |
Silicone rubber catheter having improved surface morphology Silicone rubber catheters possessing improved surface morphology, at least the surface of the catheter to be inserted in the body having bonded thereto the... |
| US-4,838,875 |
Method and apparatus for dealing with intravenous fluids An apparatus is disclosed for intravenous administration of fluid to which fluid may be added according to the process also disclosed, by injecting same, using a... |
| US-4,838,874 |
Fluid container having a one way valve A container for fluid including a front flexible wall and a rear flexible wall sealed together along marginal portions thereof to define a body for holding fluid... |
| US-4,838,873 |
Apparatus for introducing liquids and/or elongated elements into a body
cavity The apparatus for medical purposes comprises a sleeve-type catheter hub (10) having a cylindrical longitudinal channel (11) and a flexible catheter capillary... |
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