U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."

Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Attorney: Trautlein; Eugene C.


Number of patents: 38
Last date: July 04, 1995

NumberTitleIssue Date
5430194Process for improving enantiomeric purity of aldehydes
The present invention relates to a process for producing an optically active aldehyde (first aldehyde) containing a reduced amount of the corresponding enantiomeric aldehyde (second aldehyde) which process comprises: (1) providing an initial solution cont...
07/04/1995
4864044Tin containing activated silicon for the direct reaction
An improved Direct Reaction process which comprises reacting an organohalide with an activated silicon composition, the improvement comprising maintaining the composition of the activated silicon so that it comprises, based on the amount of silicon, 0.05-...
09/05/1989
4857250One-extrusion method of making a shaped crosslinkable extruded polymeric product
Method of and apparatus for making a shaped crosslinked extruded polymeric product by extruding compacted, melted polymer, e.g., polyethylene, into a mixer formed on or fitted to the discharge end of an extruder, injecting proportionate amounts of a mixtu...
08/15/1989
4855070Energy transmitting fluid
A water-glycol energy transmitting fluid having a viscosity of from about 10 to about 200 centistokes at 40° C. comprising: (a) from about 30 to about 40 percent by weight, based upon the total weight of the fluid, of water, (b) diethylene glycol, (c) from ab...
08/08/1989
4849263Method of pretreatment of inorganics with novel N-silyl substituted 1-sila-2-azacycloalkanes
This invention relates to a method of pretreatment of inorganics, such as fibers, with members of a class of N-silyl substituted 1-sila-2-azacyclopentane compounds and to a process for making composite materials therefrom. In a preferred embodiment of the...
07/18/1989
4845175Preparation of aqueous polymer emulsions in the presence of hydrophobically modified hydroxyethylcellulose
Disclosed is an improved process for the emulsion polymerization of ethylenically unsaturated monomers in the presence of a polymerization is conducted in the presence of from about 0.02 to about 2.0 percent by weight of the total monomer content, of a hy...
07/04/1989
4831081Method for crosslinking reactive polyolefins via a rhodium catalyzed hydrosilation reaction using polyorganosiloxane crosslinkers
The present invention is directed to a method for crosslinking reactive polyolefins using a rhodium catalyzed hydrosilation reaction and novel siloxanes as crosslinkers. Also disclosed are novel siloxane compounds which are useful in the crosslinking of p...
05/16/1989
4822901Carboxy-substituted organosilicon stabilizers for a silicate-containing antifreeze
Novel substituted organosilicon carboxylates characterized by the following formula: ##STR1## wherein M is a monovalent cation: Z represents a moiety hydrolyzable to silanol; R1 represents hydrogen, a monovalent hydrocarbon radical su...
04/18/1989
4804768Process for producing epoxyorganoalkoxysilanes
There is disclosed a process for producing certain epoxyorganoalkoxysilanes through the rhodium catalyzed hydrosilation of ethylenically unsaturated epoxides and alkoxysilanes in the presence of nitrogenous impurities....
02/14/1989
4804771Novel n-silyl substituted 1-sila-2-azacyclopentanes
This invention relates to a novel class of N-silyl substituted 1-sila-2-azacyclopentane compounds. In a preferred embodiment of the instant invention, the novel compound 1,1-dimethoxy-2-(trimethoxysilyl)-1-sila-2-azacyclopentane is disclosed....
02/14/1989
4795768Impact promoters for mineral-filled thermoplastics
A mineral-filled thermoplastic composition is disclosed which comprises polyethylene or an ethylene-vinyl acetate compolymer; a mineral filler consisting, in the case of polyethylene, of aluminum trihydrate, magnesium hydrate, calcium carbonate or calcium...
01/03/1989
4789564Hydridoaminosilane treatment for rendering surfaces water-repellent
Surfaces containing hydroxyl groups are rendered water-repellent through exposure to hydridoaminosilanes of the general formula In particular, tris(dimethylamino)silane and its derivatives have been found to make substrates with hydroxyl-containing surfaces hy...
12/06/1988
4782102Novel organofunctional silanes containing hindered group
A novel organofunctional silane for use in binding agent compositions employed in foundry sands and the cores and molds made therefrom. The novel organofunctional silane is characterized in that it contains at least one sterically hindered hydrocarbon gro...
11/01/1988
4686240Process for producing polyurethane foams using foam modifiers
This invention relates to a process for producing water-blown, flexible polyurethane foams for improved foam stability and molded water-blown, flexible polyurethane foams that are rapidly demoldable with improved green strength. The process involves the u...
08/11/1987
4670570Production of carboxylic acids from alcohols using rhodium complex catalysts
A process for the production of organic carboxylic acids by the catalytic reaction of an alcohol and, carbon monoxide in contact with a homogeneous catalyst system of rhodium metal atom, a phosphorus containing ligand in which there is present at least on...
06/02/1987
4608401Method of encapsulating finely divided solid particles
Finely divided water insoluble solid particles free of ionic charges and ranging in size from about 0.01 to several hundred microns or higher, including but not limited to paint pigment particles, are given a generally uniform polymeric encapsulation by a...
08/26/1986
4424392Aldehyde containing hydrolyzable silanes
Aldehyde containing hydrolyzable silane compositions of matter and a process for preparing same by hydroformylating an ethylenically unsaturated organic containing hydrolyzable silane....
01/03/1984
4414403Branched polycarbosilanes and their use in the production of silicon carbide
Silicon carbide can be produced by the pyrolysis of branched polycarbosilanes which in turn are produced directly from selected monomer systems....
11/08/1983
4338454Pentachlorophenyl 3-(triethoxysilyl) propyl ether
Pentachlorophenyl 3-(triethoxysilyl)propyl ether and its use as a mildewcide in latex paints....
07/06/1982
4312693Bonding of polyurethane to silicone rubber
Silicone rubber is treated with certain gas plasmas at low pressures and ambient temperatures to improve the adhesion of a polyurethane coating to the silicone rubber....
01/26/1982
4261848Alkoxysiloxane hydraulic fluids
This invention relates to alkoxysiloxanes characterized by alkoxy endblocking groups derived from alcohols having boiling points and solidification points in particular ranges. The novel alkoxysiloxanes are especially useful as hydraulic fluids (e.g., bra...
04/14/1981
4208314Polymer/polyols and process for production thereof
This invention relates to a novel process for producing polymer/polyols characterized by the use of specific amounts of particular monomer combinations and by maintaining a low monomer concentration throughout the reaction mixture during the process. The ...
06/17/1980
4198488Polymer-polyols and polyurethanes based thereon
Fluid, stable polymer-polyols are provided which consist of an organic polyol medium and an interpolymer of a minor amount of polymerized ethylenically unsaturated dicarboxylic acid anhydride, such as maleic acid anhydride, and a major amount of at least ...
04/15/1980
4172825Polymer/polyols and process for production thereof
This invention relates to a novel process for producing polymer/polyols characterized by the use of specific combinations of acrylonitrile and styrene and by utilizing certain peroxyester catalysts. Methacrylonitrile and/or alpha-methyl styrene may option...
10/30/1979
4146498Additives for improving the diecuttability of diecuttable polyester urethane foam
Improved diecuttable polyester urethane foams are provided by the inclusion in the foam formulation of specified minor amounts of certain low molecular weight polyols, typically having hydroxyl numbers of 100 or greater. Representative useful species of s...
03/27/1979
4143002Chalk-resistant, medium to dark colored polyurethanes, polymer/polyol and polyisocyanate compositions for use in producing same and methods for making said polyurethanes
Improvements in polymer/polyol compositions which are convertible by reaction with polyisocyanates to polyurethanes which are pigmented to a medium to dark color and which inherently chalk upon exposure to weather and wherein the polymer of the polymer/po...
03/06/1979
4125505Polymer/polyols from high ethylene oxide content polyols
Poly (oxypropylene-oxyethylene) polyols containing predetermined amounts of both internal and cap ethylene oxide are employed to form polymer/polyols which exhibit enhanced compatibility for low molcular weight chain extenders such as, for example, ethyle...
11/14/1978
4119586Polymer/polyol compositions, processes for making same and processes for making polyurethane products therefrom
Novel improved polymer/polyol compositions made by polymerizing, in the absence of any alkyl mercaptan, one or more ethylenically unsaturated monomer substantially free of bound halogen in situ in a blend of about 55 to about 95 wt. % of a polyol having a...
10/10/1978
4111865Polymer/polyols and polyurethane forms and elastomers therefrom
This invention relates to novel polymer/polyol compositions consisting essentially of a polyol and a polymer of an unsaturated monomer polymerized in the polyol. The polyols in the novel compositions are polyoxyalkylene-polyoxyethylene polyols having crit...
09/05/1978
4104236Liquid polymer/polyols and polyurethane elastomers based thereon
This invention relates to novel liquid polymer/polyol compositions consisting essentially of: (1) from 45 to 90 wt.% of a polyoxypropylene polyol having a molecular weight of at least 1500 and (2) from 55 to 10 wt.% of an acrylonitrile-styrene polymer con...
08/01/1978
4082703Polyurethane prepolymers, rebonded polyurethane foam and methods of forming the same
This invention relates to novel polyurethane prepolymers which consist essentially of the reaction product of a polyoxyalkylene polyol having a critical oxyethylene content and an isocyanate constituent, the reaction product having a defined level of free...
04/04/1978
4059607Preparation of hydrocarbon chlorosilanes from polysilanes
The present invention relates to a method for producing high yields of hydrocarbon chlorosilanes by reacting polysilanes with alkyl or alkenyl chloride at a temperature ranging from about 10° C to about 60° C in the presence of a co-catalyst system. The...
11/22/1977
4033990Hydroxybicyclosiloxane rigid urethane foam stabilizers
This application relates to certain novel hydroxybicyclosiloxanes that are particularly useful as foam stabilizers for rigid polyurethane foams. The novel hydroxybicyclosiloxanes have critical siloxane molecular weights and are produced by an addition rea...
07/05/1977
4024088Compositions and methods useful in forming polyether polyurethanes having release properties
A typical phosphatide is lecithin. This invention relates to compositions and methods for forming polyether polyurethanes utilizing organophosphorus compounds selected from the class consisting of phosphatides and compounds of the formulas: ; and wherein ...
05/17/1977
3997580Silicone sulfates
This invention claims novel siloxane sulfates characterized by a trivalent linking group between the sulfate group(s) and the silicon atom(s). Such trivalent linking groups can be derived from, for example, trimethylolpropane. The novel siloxanes are anio...
12/14/1976
3957843Non-isomerizable olefinic polyoxyalkylene polymers and siloxane-polyoxyalkylene copolymer derivatives thereof
This invention relates to novel polyoxyalkylene polymers characterized by olefinic endblocking groups in which the olefinic double bond is in the alpha position and is incapable of isomerizing or shifting to the beta or any other position. The novel polym...
05/18/1976
3939106Energy absorbing polyurethane-polyurea cellular elastomers
This invention relates to polyurethane-polyurea cellular elastomers having excellent energy absorbing properties over a wide temperature range and at various impact speeds and, more particularly, to the production of such elastomers by reacting a polymer ...
02/17/1976
3933695Hydroxyalkenylsiloxane rigid poly urethane foam stabilizers
This application relates to certain novel hydroxyalkenylsiloxanes that are particularly useful as foam stabilizers for rigid polyurethane foams. The novel hydroxyalkenylsiloxanes have critical siloxane molecular weights and are produced by an addition rea...
01/20/1976
 
Sign InRegister
Username  
Password   
forgot password?