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Patent # Description
US-4,840,662 N-(2-nitrophenyl)-5-aminopyrimidine derivatives and useful for controlling harmful micro-organisms
The invention discloses novel N-(2-nitrophenyl)-5-aminopyrimidine derivatives of the general formula ##STR1## wherein R.sub.1 and R.sub.2 are each...
US-4,840,661 Sulphonyliso(thio)urea derivatives and herbicidal use thereof
The invention relates relates to new sulphonyliso(thio)-urea derivatives of the general formula (I) ##STR1## in which R.sup.1 represent an optionally...
US-4,840,660 Plant growth regulator dispersions
Formulations containing aqueous phosphonic acid plant growth regulator dispersed in oil are disclosed that are stable and particularly suited for use with...
US-4,840,659 N-Phosphonomethylglycine phytotoxicant compositions
N-phosphonomethylglycine and novel derivatives thereof useful as phytotoxicants or herbicides.
US-4,840,658 Algicidal composition
An algicidal composition which is effective against red tide comprises, a higher fatty acid or its salt as an active ingredient, such as 6, 9, 12, ...
US-4,840,657 Process and apparatus for bending glass plates
Each glass plate, brought to a high temperature, arrives flat on a conveyor by resting there by its lower face, is picked up by its lower face, is turned over to...
US-4,840,656 Methods and apparatus for forming glass articles
A system for forming hollow pressed glass articles utilizes a flow of cryogen that is mixed with air to provide a cooling gas that enables newly pressed articles...
US-4,840,655 Method for making colored photochromic glasses
An optically activated bleaching process effective to permanently modify the color of surface-colored silver halide-containing photochromic glasses produced by...
US-4,840,654 Method for making multi-layer and pin grid arrays
The process of constructing a multi-layer glass-ceramic circuit is disclosed. One or more glass-ceramic substrates is formed from a slurry or molten glass...
US-4,840,653 Fabrication of high-silica glass article
Incorporation of fluorine into a porous silica body, such as an unsintered body produced by a sol-gel method, by VAD or OVPO, reduces or eliminates bubble or...
US-4,840,652 Method of generating and using cold, and device for implementing such method
A method and apparatus for generating, by siphon effect, in a housing containing a cold-accumulating and freezable liquid, a current of liquid in a closed...
US-4,840,651 Gas/solids contacting device
A gas/solids contacting device provides a light-weight, easily installed unit for contacting gases with particulate solids and permits the removal of spent...
US-4,840,650 Ceiling fan filter
A ceiling fan filter comprising a housing having an air entrance and an air exit. Within the housing and intermediate the air entrance and exit is a filter...
US-4,840,649 Adjustable buttress for use in an electrostatic precipitator
This invention relates to an adjustable buttress for use in an electrostatic precipitator for spacing an end plate from a portion of a precipitator housing. The...
US-4,840,648 Process for regenerating absorbents containing CO.sub.2 and COS
Two absorbent solution streams are laden with CO.sub.2 and optionally with COS, which are physically dissolved. The COS content of the second absorbent solution...
US-4,840,647 Process for treating a gaseous mixture by adsorption
The adsorption cycle comprises the following stages: (a) an isobaric adsorption stage at a high pressure of the cycle in which the mixture to be treated is admitted...
US-4,840,646 Tetrabromo bisphenol based polyestercarbonate membranes and method of using
The invention is a membrane comprising a dense skin of a polyestercarbonate, wherein the diphenolic residue in the backbone of the polyestercarbonate is a...
US-4,840,645 Rotary separator with a porous shroud
A high speed rotary filter device is disclosed which utilizes a shrouded rotor, the shroud located over the central bladed portion of the rotor minimizing...
US-4,840,644 Cell corrosion reduction
Corrosion is reduced in aqueous electrochemical cells having zinc anodes comprised of single crystal zinc particles by the addition of small amounts of a gas...
US-4,840,643 Trichromatic combination of dyes for nylon
A trichromatic dye combination especially suited for the continuous dyeing of synthetic polyamide materials; the system including an acid red dye component, an...
US-4,840,642 Monoazo compounds having a 6-(5'-chloro-2',4'-difluoropyrimid-6'-ylamino)-1-hydroxy-3-sulfonaphthal ene...
Compounds of the formula ##STR1## and salts thereof, useful for dyeing and printing hydroxy group - or nitrogen-containing organic substrates, for example,...
US-4,840,641 Cationic diazacyanine dyestuffs for dyeing polyacrylonitrile-wool blends
Cationic diazacyanine dyestuffs of the formula ##STR1## and their mixtures with the isomeric dyestuffs of the formula ##STR2## wherein R represents...
US-4,840,640 Polarizing film: polymer film base containing substituted anthraquinone dichroic dye
A polarizing film which comprises a film base having thereon an anthraquinone dye of general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each...
US-4,840,639 Agent for dyeing hair
Oxidative hair dyeing preparation having a content of a 1-hydroxyalkyl-2,5-diaminobenzene having the formula ##STR1## as developing substance, wherein R...
US-4,840,638 Synthetic ebony and method of producing the same (II)
A process of treating wood of the genus Juglans to change its color completely and throughout its entire structure and substance so as to produce a jet black...
US-4,840,637 Synthetic ebony and method of producing the same (I)
A process of treating wood of the genus Juglans to change its color completely and throughout its entire structure and substance so as to produce a jet black...
US-4,840,636 Modifying the surface of the interior pore walls of objects such as membranes with gas activated by partial...
A stream of gas is forced through the pores of an object and either the gas itself or a component thereof is electrically activated through partial brush...
US-4,840,635 Full-fashion stump shrinker for the residual limb of a human amputee
The shrinker comprises a soft, pliable, sock-like receptacle for the stump having a closed toe and an open upper end. Initially flat, opposite sides of the...
US-4,840,634 Calibration controller for controlling electrically operated machines
A controller for enabling a person with limited physical abilities to control one or more electrically operated machines. A movable mouthpiece actuates a...
US-4,840,633 Cementless endoprosthesis
An endoprosthesis (10) is composed of a stem (12) tapering to the distal end thereof and a screw spindle (38) having a broadflanged helical flank (42). The stem...
US-4,840,632 Hip prosthesis
Disclosed is a prosthetic hip joint defined by a femoral component and a cooperating acetabular component. The femoral component includes an intertrochanteric...
US-4,840,631 Artificial hip joint socket with hydraulic head support
A liquid chamber (3) arranged in the bottom of the socket cavity (2) is latitudinally sealed by the engaging ball head (4) of the femoral prosthesis shaft. The...
US-4,840,630 Artificial hip joint
An artificial hip joint for connecting a hipbone with a thighbone is disclosed. Its external frame member to be secured in the hipbone, at least the section...
US-4,840,629 Mammary prosthesis
A "MAMMARY PROSTHESIS", including a perforated lamina (10) made of an inert nd flexible material, having a thickness not exceeding 1.0 mm and showing, when...
US-4,840,628 Non-enveloped gel prosthesis
An unconstrained cohesive gel prosthesis is disclosed for implantation in a human body. The prosthesis consist essentially of an unconstrained, ...
US-4,840,627 Artificial eye lens and method of transplanting same
An intraocular lens made of a hydrogel material, preferably having about 60% water content, and defining a central, preferably bi-convex, optical portion and two...
US-4,840,626 Heparin-containing adhesion prevention barrier and process
An improved adhesion-preventative barrier fabric comprising an oxidized regenerated cellulose (ORC) fabric (or matrix having equivalent properties) which is...
US-4,840,625 External catheter urine collection system
An external catheter urine collection system includes an external catheter, a urine collection reservoir, and a urine collection tube. The external catheter...
US-4,840,624 Female condom device
Female condom device having a pubic area cover pad with a condom attached perpendicularly thereto with its open end in the middle of the pad and the closed end...
US-4,840,623 Medical catheter with splined internal wall
Medical catheters with splined internal walls are disclosed as having sufficient rigidity to transmit torque from the proximal end to the distal end even over...
US-4,840,622 Kink resistant catheter
An improvement is set forth in a cannula having a proximal end portion adapted to be connected to a hub, a distal end portion and a longitudinal duct...
US-4,840,621 Piercing pin transfer device
A device for automatically transferring a piercing pin from the port of one medical liquid container to the port of another medical liquid container. The ports...
US-4,840,620 Portable pump for infusing medicine into a living body
A portable infusion pump for delivering medicine to a living body has a roller pump for infusing solutions by use of a motor, a driving circuit for driving the...
US-4,840,619 Syringe
An improved syringe for administering injections includes a syringe barrel with an interior chamber, a reciprocating plunger within the chamber, a needle flow...
US-4,840,618 Medical safety device
The particular embodiment described herein as illustrative of one form of the invention incorporates a round elongated handle sized for holding in the fisted...
US-4,840,617 Cerebral and lumbar perfusion catheterization apparatus for use in treating hypoxic/ischemic neurologic tissue
A cerebral catheterization apparatus for delivering oxygenated nutrient to or from the cerebro-spinal fluid pathway of a patient suspected of suffering from...
US-4,840,616 Syringe hypodermic needle
A single use disposable medical syringe with the plunger shaft having first and second splines. The first splint co-acts with a first pawl to allow withdrawal...
US-4,840,615 Self-sealing injection reservoir
An injection reservoir or button is adapted for implantation beneath the skin of human and animal patients in conjuction with tissue expanders and drug delivery...
US-4,840,614 Gastric tube positioning method
A gastric tube positioning method includes an improved check valve operative in cooperation with a gastric tube positionable within a patient. Should...
US-4,840,613 Protective sheath for catheter assembly
An improvement in a catheter assembly including a cannula, an inserter having a guide channel therethrough in which the cannula slidably fits and a hub structure...
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