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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Attorney: Olson; R. Brent


Number of patents: 155
Last date: June 14, 1988

1        
NumberTitleIssue Date
4751244Compounds useful in treating sickle cell anemia
The present invention is directed to compounds of the general formula I and pharmaceutically acceptable salts thereof: ##STR1## wherein: R1 =HO or HOOC(CH2)x CHR2 NH--; R2 =H, lower alkyl, benzyl or -...
06/14/1988
4685918Lipid osmotic pump
The instant invention is directed to a lipid osmotic pump, comprising: (A) a core, comprising: (i) a beneficial amount of at least one substantially water insoluble active agent which is lipid soluble and/or lipid wettable; (ii) a sufficient amount of at least one ...
08/11/1987
4655815Admixtures of 2-bromo-2-bromomethylglutaronitrile and a formaldehyde donor
The present invention is directed to a synergistic antimicrobial admixture comprising 2-bromo-2-bromomethylglutaronitrile and a formaldehyde donor....
04/07/1987
4640793Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
The instant invention is directed to an admixture, and its use in inhibiting scale and corrosion in aqueous systems, comprising: (a) a water-soluble polymer having a weight average molecular weight of less than 25,000, as determined by low angle laser light sc...
02/03/1987
4618448Carboxylic/sulfonic/polyalkylene oxide polymer for use as scale, corrosion, and iron oxide deposit control
The instant invention is directed to a process for inhibiting corrosion and the formation and deposition of scale and iron oxide in aqueous systems, comprising adding to the system at least 0.1 ppm of a water-soluble polymer having an intrinsic viscosity ...
10/21/1986
4613481Mercapthothiazoline corrosion inhibiting compositions
The present invention is directed to a composition useful for inhibiting the corrosion of copper and copper alloy metals in an aqueous system comprising mercaptothiazoline and ferrous ions. The present invention is also directed to a method of inhibiting the ...
09/23/1986
4612328Admixtures of 2-bromo-2-bromomethylglutaronitrile and methylene bis(thiocyanate)
The instant invention is directed to synergistic antimicrobial admixtures comprising 2-bromo-2-bromomethylglutaronitrile and methylene bis(thiocyanate) and its use in inhibiting microbial growth....
09/16/1986
4604212Use of copolymers of carboxylic monomer and betaine-containing monomer as corrosion and scale inhibitors
The instant invention is directed to a process for inhibiting corrosion and the formation and deposition of scale in aqueous systems comprising adding to the system at least 0.1 ppm. of a water soluble polymer, having an intrinsic viscosity of 0.05 to 2.5...
08/05/1986
4604405Admixtures of 2-bromo-2-bromomethylglutaronitrile and 2,2-dibromo-3-nitrilopropionamide
The instant invention is directed to synergistic antimicrobial admixtures comprising 2-bromo-2-bromomethylglutaronitrile and 2,2-dibromo-3-nitrilopropionamide and its use in inhibiting microbial growth....
08/05/1986
4596661Method for settling calcium carbonate
The instant invention is directed to a method of settling fine calcium carbonate solids from a suspension comprising water and calcium carbonate, comprising adding to said suspension an effective amount of an admixture comprising: (a) an anionic polyelect...
06/24/1986
4594268Method for the control of dust using methacrylate containing emulsions and compositions
The instant invention is directed to a method for suppressing dust comprising contacting the material being treated with an aqueous emulsion of a methacrylate polymer or a composition comprising a hydrophobic liquid and a methacrylate polymer. These emuls...
06/10/1986
4593033Substituted indeno[2,1-c] pyridines useful as calcium channel blockers
Novel substituted indeno[2,1-c] pyridine compounds useful as calcium channel blockers, pharmaceutical compositions thereof, and methods of treatment are disclosed....
06/03/1986
4589985Polyelectrolyte and surfactant compositions for controlling alkaline earth metal scales
The instant invention is directed to a method of inhibiting the precipitation and deposition of alkaline earth metal scales in an aqueous system, comprising adding to said system an effective amount of (a) an anionic polyelectrolyte; and (b) an anionic su...
05/20/1986
4561897Aqueous stable magnesium hydroxide suspensions which are dispersible in oil
The instant invention is directed to an aqueous stable magnesium hydroxide suspension which is dispersible in oil, comprising a mixture of: (a) a 33 to 60, preferably 50 to 60, percent, by weight, aqueous slurry or paste of magnesium hydroxide; and (b) an alky...
12/31/1985
4552665Stabilization of soluble manganese and its reaction products
The instant invention is directed to a process for inhibiting the precipitation of dissolved manganese ion and its reaction products in aqueous solutions, comprising adding to the aqueous solution 0.1 to 20 ppm of a copolymer of an unsaturated carboxylic ...
11/12/1985
4549010Bioerodible poly(ortho ester) thermoplastic elastomer from diketene diacetal
The instant invention is directed to a bioerodible poly(ortho ester) thermoplastic elastomer prepared from: (A) a diketene diacetal; (B) a long-chain non-polar, flexible diol containing 4 to 22 carbon atoms; and (C) a diol selected from the group consisting of...
10/22/1985
4544639Process for determining the amount of organic phosphonate present in an aqueous solution
The instant invention is directed to a process for determining the amount of organic phosphonate present in an aqueous solution, comprising the steps of: (a) adding 1000 to 20,000 ppm of a strong oxidizing agent and 8 ppb to 5000 ppm silver ion to the aqu...
10/01/1985
4544488Air stripping/adsorption process for removing organics from water
The instant invention is directed to a process for removing volatile and nonvolatile organic chemicals from water comprising: (1) passing said water through an induced draft air stripper; and (2) passing the effluent of said induced draft air stripper thr...
10/01/1985
4536186Use of poly (DMDAAC) as coal fine slurry viscosity reducer
The instant invention is directed to a method of reducing the viscosity of an aqueous coal fine slurry which comprises adding poly (dimethyl diallyl ammonium chloride) to the slurry....
08/20/1985
4533708Polyampholyte polymer
The instant invention is directed to a polyampholyte polymer, having an intrinsic viscosity of 0.05 to 4.5 dl/g in 1.0 M NaCl, prepared from 32.5 to 90 percent acrylic acid and/or methacrylic acid, 1.5 to 65 percent, by weight, of acrylamide and 0.5 to 25...
08/06/1985
4531953Sublimation of amine compounds on activated carbon pore surfaces
The instant invention is directed to an activated carbon impregnated with 0.1 to 10 percent, by weight, of an amine compound, which is solid and sublimes at 40° C. or above, and having a moisture content after impregnation of 5.0 percent or less, by weig...
07/30/1985
4525509Method for producing free-flowing, water-soluble polymer gels
The instant invention is directed to a method for preparing free-flowing, water-soluble polymer gels comprising: (a) reducing the size of water-soluble polymer gels by a size-reduction means, so as to produce polymer gel particles which are less than 1/2 inch ...
06/25/1985
45185992-Amino-3-cyano-5-halo-6-(substituted)pyrazine
Antimicrobial compounds of the formula: ##STR1## wherein: Hal is bromine or chlorine; and R is mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; mercapto; ...
05/21/1985
45171862-Amino-3,5-dicyano-6-(substituted)pyrazine antimicrobial compounds
Antimicrobial compounds of the formula: ##STR1## wherein: R is mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; mercapto; straight or branched chain C
05/14/1985
4513034Variable permeability liquid crystalline membranes
The instant invention is directed to a variable permeability liquid crystalline membrane, comprising a porous structure containing a polymeric liquid crystal which can undergo a phase change. The instant invention is also directed to a process for regulating t...
04/23/1985
4512774Residual fuel oil conditioners containing metal salts in aqueous solution
Residual fuel oil conditioners comprising an aqueous solution of (a) from 2.0 to 20.0% by weight of at least one water soluble metal salt selected from the halides, sulfates, and nitrates of magnesium, manganese, zinc, copper, lead, iron, nickel, aluminum...
04/23/1985
4510059Carboxylic functional polyampholytes as silica polymerization retardants and dispersants
The instant invention is directed to a method for reducing the formation of silica deposits in an aqueous system comprising adding an effective amount, preferably at least 0.1 ppm, of a carboxylic functional polyampholyte or the salt thereof to said aqueo...
04/09/1985
4507299N-[2-amino-5-halo-6-(substituted)-3-pyrazinyl)-methylene]amine antimicrobial compounds
Antimicrobial compounds of the formula: ##STR1## wherein: Hal is bromine or chlorine; R is halo; mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; mercapto...
03/26/1985
4503019Blends of magnesium oxide and copperoxychloride as calcium oxide deposit inhibitors in coal fired lime kilns
The instant invention is directed to a method of inhibiting and dispersing calcium oxide deposit formation in coal-fired lime kilns, comprising burning the coal in the presence of from 1 to 2 pounds/ton of coal of a blend of 80 to 95%, by weight, magnesiu...
03/05/1985
44927003-Halo-2-thiopyrazines as antimicrobial agents
The instant invention is directed to a compound represented by the formula: ##STR1## wherein: X is a chloro or bromo radical; Z is a chloro, bromo, amino, amino mono- and di-substituted by lower alkyl, 3-halo-pyrazinyl-2-thio, cyano, wherein R3
01/08/1985
44812022-Amino-3-carboxylate-5-halo-6-(substituted)pyrazine antimicrobial compounds
Antimicrobial compounds of the formula: ##STR1## wherein: Hal is bromine or chlorine; and R is halo; mono- or di-substituted mono- or diloweralkylamino wherein the loweralkyl substituents are hydroxy or loweralkanoyloxy; 4-morpholino; thiocyano; merc...
11/06/1984
4479953Pyrazine aldimine compounds as antimicrobial agents
The instant invention is directed to a pyrazine compound represented by the formula ##STR1## wherein Z is --NH--, --NHSO2 --, --NHCO-- or --S--, Ar is a phenyl ring substituted by 1 or 2 substituents selected from the group consisting of h...
10/30/1984
4475916Osmotic drug delivery system
An osmotic drug (or other beneficial substance) delivery system comprises a compartment with one or more chambers in series formed by an external shell and chamber-dividing walls of a microporous material and successive overlayers of semipermeable membran...
10/09/1984
4462914Method of controlling Corbicula
A method of controlling Corbicula in aqueous systems comprising treating said systems with a cationic polymer. A preferred polymer is a poly (quaternary ammonium) compound having the recurring structure: where DMDAAX.crclbar. is a polymer unit resu...
07/31/1984
4455240Ampholytic polymers for use as filtration control aids in drilling muds
The instant invention is directed to an aqueous drilling fluid comprising an aqueous clay dispersion and a carboxylic functional polyampholyte, or the salt thereof. The instant invention is also directed to the use of the drilling fluid....
06/19/1984
4452703Control of scale in sugar evaporation equipment
The instant invention is directed to a method for preventing the formation of scale in sugar evaporation equipment comprising adding to the juice from 0.1 to 200 ppm of a polycarboxylic acid or its salt selected from the group consisting of polymaleic aci...
06/05/1984
4446076Method of preparing 1,2-dibromo-2-cyano-(substituted)-alkane antimicrobial compounds
Method of preparing antimicrobial compounds of the formula: ##STR1## comprising the following steps: (1) halogenating allyl halide to form 1,2,3-trihalopropane; (2) dehydrohalogenating the 1,2,3-trihalopropane to form 2,3-dihalo-1-propene; (3) treati...
05/01/1984
4443425Magnesium oxide composition for coating silicon steel
The instant invention is directed to a magnesium oxide composition, for use in coating silicon steel, having a Citric Acid Activity of 50 to 200 seconds and a particle size of 90 percent finer than 325 mesh prepared from a blend of (a) ground magnesium ox...
04/17/1984
44421221,2-Dibromo-2-cyanoalkane antimicrobial compounds
Antimicrobial compounds of the formula: ##STR1## where R is C3-12 alkyl, straight or branched chain C3 -C8 cycloalkyl; C3-8 cycloalkylC1-3 alkyl; or saturated heterocyclic radical selected from t...
04/10/1984
4436628Polyphosphoric acid as a scale and corrosion inhibitor
The instant invention is directed to a process for the inhibition of scale and corrosion formation in an aqueous system, comprising adding to the system about 0.1 to 100 ppm, by weight based on the total aqueous content of said system, of 103 to 115% poly...
03/13/1984
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