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Patent # Description
US-3,939,105 Microporous polyurethane hydrogels, method and composites with natural and other synthetic fibers or films
Microporous polyurethane hydrogels of high water swellability comprising lightly crosslinked polymers of isocyanate terminated prepolymers which are the reaction...
US-3,938,536 Process for reducing the turbulent drag in conduits and around submerged objects
1. The reduction of turbulent drag of fluids flowing through conduits such as pipelines, channels, troughs and streams, or of drag on an object which is moving...
US-3,938,468 Apparatus for wiping liquid from a strip
This application discloses "wiping" of a liquid, molten zinc, for example, across the surface of a strip to which it adheres. A wiping fluid, such as steam, is...
US-3,938,006 Active negative sequence cable monitor
A ground conductor break in a polyphase A.C. cable having a separate power conductor and an equal number of symmetrically spaced ground conductors for each phase...
US-3,937,850 Method of hollowing out an article of food
Method for hollowing out an article of food such as a fruit or vegetable so that a shell of substantially uniform predetermined thickness is formed. A rotating...
US-3,937,686 Process of preparing high molecular weight polyamide with recovery of diamine and return of same to...
In the preparation of high molecular weight polyamides, vaporization of the organic diamine employed results in its loss. The effect of the loss can be reduced...
US-3,937,571 Reproduction system utilizing ion modular and dielectric imaging surface
An electrophotographic system is described in which a photoconductive ion modulator screen is used in conjunction with an anodized aluminum dielectric imaging...
US-3,937,516 Extension compartment for motor vehicle
An open ended extension compartment is fitted to the rear end of a vehicle having a rear door frame by first releasably securing a rigid mounting ring in the...
US-3,937,047 Structure and method facilitating stripping of seamless can body from ironing mandrel
In the manufacture of drawn and ironed, unitary, can bodies, structure and method which interrupt surface contact between an ironing mandrel and the interior...
US-3,936,506 Preparation of unsymmetrical halogen-substituted diacyl peroxides
Unsymmetrical halogen-substituted diacyl peroxides have been prepared either by rapidly adding an .alpha.-halogen-substituted aliphatic acyl halide and a...
US-3,936,410 Triaryl phosphate ester plasticizers for polyvinyl chloride compositions
Composition and process for certain tris(isopropylphenyl) phosphate esters particularly suited for use as polyvinyl chloride plasticizers.
US-3,935,330 Two-step coating process
Coating compositions are cured by initially treating them for a brief period with ionizing or non-ionizing radiation whereby they are partially cured and then...
US-3,935,132 Thermoplastic urethane polymer filled with cross-linked urethane polymer
Thermoplastic urethane polymer is filled with cross-linked urethane polymer. The presence of the filler has little or no adverse effect on the properties of the...
US-3,934,649 Method for removal of methane from coalbeds
A method for removing methane gas from underground coalbeds prior to mining the coal which comprises drilling at least one borehole from the surface into the...
US-3,934,527 Manufacturing methods for selective coating characteristic tinplated steel cans
By predetermined selection of tin coating weight in the manufacture of electrolytically tinplated continuous steel strip, cup formation of sheet metal blanks cut...
US-3,933,954 Preparation of powders having spherical-shaped particles from ionomer resins and ethylene/carboxylic acid...
Method whereby spherical-shaped copolymer particles having a rough surface are produced. In a closed shear zone of a shear device under positive pressure water,...
US-3,933,447 Underground gasification of coal
There is disclosed a method for the gasification of coal in situ which comprises drilling at least one well or borehole from the earth's surface so that the well...
US-3,931,367 Color improvement of phosphate esters
A method for decolorizing and stabilizing alkylphenyl esters of phosphoric acid which comprises contacting the esters with an effective amount of a stannous...
US-3,931,366 Color improvement of phosphate esters
A method for decolorizing and stabilizing alkylphenyl esters of phosphoric acid which comprises the in situ addition of an effective amount of PCl.sub.3 to the...
US-3,931,075 Acrylated epoxidized soybean oil amine compositions and method
The amine derivatives of acrylated epoxidized soybean oil, which is the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid are...
US-3,931,071 Compositions of acrylated epoxidized soybean oil amine compounds useful as inks and coatings
Compositions of amine derivatives of acrylated epoxidized soybean oil, which are the reaction products of an organic amine with the reaction product of...
US-3,930,911 Blasting composition and method of making same
Improved blasting compositions are prepared by the addition of a solution of an oil-soluble organic acid in fuel oil to prilled ammonium nitrate, followed by the...
US-3,930,904 Nickel-iron-chromium alloy wrought products
Nickel-iron-chromium-molybdenum-columbium alloy of specially controlled composition has heat and corrosion resistance characteristics particularly useful for,...
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