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Patent # Description
US-4,190,601 Production of tertiary amines by reductive alkylation
A process for the reductive alkylation of secondary amines with either aliphatic aldehydes or aliphatic ketones in contact with hydrogen, a water-segregating...
US-4,190,598 Catalytic process for production of polyhydric alcohols in presence of ammonium carboxylates
Ammonium carboxylates having the general formula: ##STR1## wherein R is hydrogen or a substituted or unsubstituted hydrocarbon radical. The defined...
US-4,190,459 Process for the production of mineral fiber mats
This disclosure teaches a method of forming mineral mates by using an emulsion of water glass and isocyanates as the binder. This binder composition may be...
US-4,190,186 Preparation of tube for welding
Apparatus for preparing two tubes to be welded together at their ends and for placing the ends in opposed, abutting relationship for welding. The apparatus...
US-4,190,116 Mine roof bolter
A mine roof bolter is described which has a rotary drill head with: (1) sufficient rotative mass that breakage of bits and steel is minimized, (2) a dual drive...
US-4,190,063 Smoker's pipe
A smoker's pipe has a tobacco bowl for burning tobacco and a stem extending from the bowl. A control system produces a draft via a free flow of air through...
US-4,189,966 Hydraulic hand tool
The specification discloses a hydraulic pressure operated hand tool of the type in which the manual pressure exerted on a small-area pump piston creates a...
US-4,189,551 Process for reducing adhesions during suspension polymerization
Presence of a selected carboxylic acid in the aqueous polymerization mixture during suspension polymerization of tetrafluoroethylene has been found to reduce the...
US-4,189,443 Method for making a polyamine
A process is provided for making an aromatic polyamine by condensing an aromatic amine with formaldehyde wherein the reaction mixture is maintained at a boiling...
US-4,188,477 Isocyanate derivatives of ester diol alkoxylates and compositions thereof
Derivatives of esterdiol alkoxylates obtained by reaction thereof with an isocyanate, as well as the anhydride capped products thereof. Formulations containing...
US-4,188,335 Novel solvents for the catalytic process for producing polyhydric alcohols
This invention relates to the manufacture of polyhydric alcohol(s) by the reaction of synthesis gas in the presence of a rhodium carbonyl complex dissolved in a...
US-4,188,227 Method of preparing multi-component chemical compositions
A method of preparing compositions having two or more components, without producing a direct combination reaction, by adding one or more constituents to a molten...
US-4,187,885 Three-point, plug type sealing means for a hollow, cylindrical container, particularly a liquid-filtered...
A seal device includes a first, inverted cup-shaped member and a second cup-shaped member within which the first member is disposed. The open, lower end of the...
US-RE30,212 Coating and ink compositions
Compositions based on 2(N-alkylcarbamoyl.Iadd.oxy) .Iaddend.alkyl acrylate have been prepared which are useful as coatings and inks.
US-4,187,383 Process for producing low color residue acrylate esters
Low color residue acrylate esters are produced by reacting an organic polyol such as neopentyl glycol, pentaerythritol, or 3'-hydroxy-2',2'-dimethylpropyl...
US-4,187,382 Process for producing low color residue acrylate ester monomers
Residue acrylate esters of low color are produced by (a) pretreating an organic diol such as 3'-hydroxy-2',2'-dimethylpropyl 3-hydroxy-2,2-dimethylpropionate...
US-4,186,898 Yarn tension control apparatus of the ball and funnel type
A ball and funnel type yarn tension control apparatus for tensioning a running length of yarn such as textile yarn or the like, wherein a plurality of tensioning...
US-4,186,121 Process for obtaining colloidal dispersion of polymeric tetrafluoroethylene
Presence of a selected carboxylic acid in the aqueous polymerization mixture during polymerization of tetrafluoroethylene to obtain a colloidal dispersion of...
US-4,186,065 Method of preparing a resin-containing asbestos diaphragm
Disclosed is a method of preparing a resin-containing asbestos diaphragm. The diaphragm is prepared by depositing asbestos fibers and resin from an aqueous...
US-4,185,982 Method of measuring temperature of a sheet with a noncontacting-type pyrometer
A noncontacting-type pyrometer for measuring the temperature of a glass ribbon has a hot junction at the center of a circular black body adjacent a first surface...
US-4,184,553 Method for controlling direction of horizontal borehole
A heavy cylinder having an axial flow passage is pumped down a rotary drill string to a position adjacent a drill bit to cause an in-seam horizontal drill to be...
US-4,184,127 Frequency stabilized laser
An apparatus and method for utilizing the opto-galvanic effect to perform ectroscopic or analytic investigations of atomic or molecular species. A sample of the...
US-4,182,827 Polyurethane hydrogels having enhanced wetting rates
The wetting rates of polyurethane hydrogels comprising lightly crosslinked polymers of isocyanate terminated prepolymers which are the reaction product of (i)...
US-4,182,820 Process for polymerization of styrene and acrylonitrile
A polymerization technique for the polymerization of styrene and acrylonitrile by a method intermediate between that of emulsion polymerization and suspension...
US-4,182,179 Sight glass assembly
A sight glass assembly including a housing structure mountable on a vessel for containing fluid, the housing structure having an opening therethrough, the...
US-4,181,734 Pesticidal N-[2,2-dimethyl-2,3-dihydro-7-benzofuranyl-methyl-carbamate]N-[4-] sulfide
Unsymmetrical bis-[N-alkyl-N-arylcarbamate] sulfide compounds exhibit outstanding miticidal, nematocidal and insecticidal activity, coupled with substantially...
US-4,180,529 Acrylic multistage graft copolymer products and processes
A resilient, acrylic graft polymer is produced by multi-stage, sequential polymerization in which the first stage is elastomeric, the second stage is...
US-4,180,517 Catalyst and process for producing polyhydric alcohols and derivatives
A novel catalyst and process for the manufacture of polyhydric alcohol(s) from synthesis gas. This novel catalyst is a rhodium carbonyl phosphido cluster...
US-4,180,480 Catalytically active compositions from precious metal complexes
An electroless plating catalyst prepared by reacting a tin salt in the molten state with a precious metal complex. The final catalyst may be a solid or a liquid...
US-4,180,050 Outdoor cooking grill unit with tilting feature
An outdoor cooking grill for charcoal cooking and the like, including a generally rectangular fire box having a bottom wall normally disposed in a horizontal...
US-4,179,997 Rail-highway intermodal freight carrier transport system
A system for moving freight carriers including highway semi-trailers and receptacles such as demountable containers and merchandise racks in trains on railway...
US-4,179,834 Fisherman's leader caddy
A fisherman's leader caddy consisting of an elongated cylindrical plastic tube having a flange at either end. The flanges are provided with recesses for mounting...
US-4,179,828 Multi-purpose labor saver hand tool
A multi-purpose handle-directed, manually propelled wheeled vehicle particularly well adapted for safe snow removal, load carrying, and similar labor saving...
US-4,179,514 Ketoalkanesulfenyl and ketoalkanethiosulfenyl carbamates
Ketoalkanesulfenyl and ketoalkanethiosulfenyl carbamates exhibit exceptional pesticidal activity.
US-4,179,479 Thermoplastic polyurethane blends containing a processing aid
The instant invention is directed to novel thermoplastic polyurethane materials containing a processing aid. More particularly, the instant invention is directed...
US-4,179,160 Mine life line system
A mine life line system utilizing a life line having direction indicating means for indicating, when touched, the direction towards the outside of the mine. The...
US-4,178,328 Rigid, high impact polypropylene compositions
Polypropylene compositions comprising a polypropylene polymer and a hydrogenated block polymer impact modifier exhibit enhanced impact properties and retain...
US-4,178,005 Wheel mounting assembly
A wheel mounting assembly for a towed implement which permits vertical movement of a casterwheel, adjustment of the level of the implement above the terrain and...
US-4,177,930 Closure having opening means
A container closure especially for large containers and having circumferentially spaced tool access regions in a rim flange for insertion of a removal tool....
US-4,177,838 Stop motion system for high speed looms and the like
Automatic loom stopping apparatus for use with a loom for detecting warp yarn breakage or improper shedding and actuate the loom stop motion means of the loom,...
US-4,177,315 Coated Polymeric substrates
Abrasion resistant coatings of silica and a partially polymerized organic silanol of the formula RSi(OH).sub.3 having rapid cure times are obtained when the pH...
US-4,177,212 Process for preparing bis(N,N-dialkylamino)alkyl ethers employing sulfur oxychloro-containing compounds
A process is provided for producing bis-(N,N-dialkylamino)alkyl ethers of the formula (R.sub.2 NR').sub.2 O, wherein R is a methyl or ethyl group and R' is a...
US-4,176,216 Cellular products derived from phenol/formaldehyde resoles
The present invention provides particular phenol/formaldehyde resoles which are especially useful as foamable resins, and further provides cellular phenolic...
US-4,176,106 Phenol/formaldehyde resoles and cellular products derived therefrom
The present invention provides particular phenol/formaldehyde resoles which are especially useful as foamable resins, and further provides cellular phenolic...
US-4,175,481 Mine ventilation system and elements thereof
This invention relates to a ventilation system and more particularly to means for restraining a ventilation control curtain composed of a post like members...
US-4,174,359 Flame retardant polycarbonate polyblends
The present invention pertains to a halogen-containing, copolycarbonate blend having improved critical thickness and flammability properties comprising an...
US-4,174,353 Olefin separation process
There is disclosed a process for the separation of ethylene or propylene from a purified, multi-component gas stream produced from the thermal cracking of...
US-4,174,013 Mine car
A fire safety transmission apparatus comprising an explosion-proof container, an adapter plate secured to the container, a cylindrical sleeve mounted to the...
US-4,173,370 Mine vehicle with swivel seat
A mine vehicle such as a tractor or a scoop is provided with an operator's cab having a protective canopy and a side entrance way. A swivel seat is positioned in...
US-4,173,327 Solid handling valve
The present invention is directed to a solids handling valve for use in combination with lock hoppers utilized for conveying pulverized coal to a coal gasifier....
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