Did You Know...
...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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| Number | Title | Issue Date |
| 4265728 | Method and electrode with manganese dioxide coating Disclosed is an electrode for use in electrochemical processes wherein a metal substrate made of a valve metal mesh such as titanium carries a semiconductive intermediate coating consisting of tin and antimony oxides laid down upon the valve metal mesh in... | 05/05/1981 |
| 4238496 | 4-Substituted thiazolyl-2-oxamic acids and salts and esters thereof Compounds of the formula ##STR1## wherein R1 is hydrogen or alkyl of 1 to 4 carbon atoms; R2 is hydrogen, methyl or carboxyl; and A is pyridyl, benzodioxanyl or ##STR2## where R3, R4 and R5, whic... | 12/09/1980 |
| 4233296 | 11ଲ-Substituted-Ɗ4,9 -estradienes Novel steroids of the formula ##STR1## wherein R1 is linear or branched alkyl of 1 to 12 carbon atoms, unsaturated alkyl of 2 to 8 carbon atoms optionally substituted, optionally substituted aryl of 6 to 12 carbon atoms, optionally su... | 11/11/1980 |
| 4224322 | 3-Amino-4-phenyl-6-thiomorpholino-1H-pyrazolo-[3,4-b]pyridines and salts thereof Compounds of the formula ##STR1## wherein R1 is unsubstituted, mono-substituted or di-substituted thiomorpholino, where the substituents are selected from the group consisting of methyl, hydroxymethyl, hydroxyl, phenyl and benzyl; R2 | 09/23/1980 |
| 4220659 | 1-Phenoxy-2-hydroxy-3-alkynylamino-propanes and salts thereof Racemic and optically active compounds of the formula ##STR1## wherein R1 is --COOR6, where R6 is hydrogen or alkyl of 1 to 4 carbon atoms; --OCO--R9, where R9 is alkyl of 1 to 6 carbon atoms, ph... | 09/02/1980 |
| 4191697 | Novel steroids Novel Ɗ1,3,5(10),6 -estratetraenes of the formula ##STR1## R is selected from the group consisting of hydrogen, acyl of an alkanoic acid of 1 to 5 carbon atoms, optionally substituted benzoyl, tetrahydropyranyl, trityl and trimethylsilyl ... | 03/04/1980 |
| 4191667 | Building elements and their preparation An improved building material element or board having good thermal insulation properties comprising expanded vermiculite granules coated with 2 to 30% by weight, based on the weight of vermiculite, with an organic binder formed into a press cake which is ... | 03/04/1980 |
| 4189477 | Novel Ɗ4 -pregnenes Novel Ɗ4 -pregnenes of the formula ##STR1## wherein X1 is selected from the group consisting of .dbd.O and ##STR2## Y is selected from the group consisting of hydrogen and halogen, R1 is selected from the group ... | 02/19/1980 |
| 4189415 | Aqueous vinylchloride/vinyl acetate/ethylene copolymers and process The invention relates to aqueous copolymer dispersions containing high proportions of vinyl chloride units in the copolymer, together with vinyl acetate units and ethylene units, which dispersions contain only polyvinyl alcohol as protective colloid; as w... | 02/19/1980 |
| 4187155 | Molten salt electrolysis A novel method of molten salt electrolysis and novel electrolytic cells for molten salt electrolysis wherein the anodes for the electrolysis are comprised of a self-sustaining matrix of sintered powders of at least one oxycompound such as oxides, multiple... | 02/05/1980 |
| 4187121 | Clear-rinse agent for mechanical dishwashers A clear-rinse agent concentrate for mechanical dishwashers containing, as sheeting component, from 10% to 80% by weight of a reaction product obtained by reacting under acid catalysis conditions (1) an aldose selected from the group consisting of a reduci... | 02/05/1980 |
| 4186207 | Stable aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils or drugs containing N-(hydroxyalkyl)amide-ethoxylates Stable, aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils or drugs, containing hydroxyalkyl ester- and/or N-(hydroxyalkyl)-amide-ethoxylates of the formula ##STR1## wherein R1 and/or R2 are an alkyl group having... | 01/29/1980 |
| 4186186 | Guanidine accelerators for peroxide hair bleaching compositions A composition for bleaching hair comprising a peroxide oxidation agent, an ammonia-free alkalinization agent and a guanidine derivative of the formula ##STR1## as bleaching accelerator, wherein R is hydrogen, ##STR2## Y is hydrogen, NH... | 01/29/1980 |
| 4186128 | Novel process for the preparation of 3-oximes of steroids A novel process for the preparation of 3-oximes of the formula ##STR1## wherein R is selected from the group consisting of methyl and ethyl and R' is selected from the group consisting of hydrogen and acyl of an organic carboxylic acid of 2 to 8 carb... | 01/29/1980 |
| 4186076 | Composite diaphragms Porous and electrolyte permeable composite diaphragms for electrolysis cells comprising a chemically inert, fibrous porous matrix or substrate impregnated with a copolymer of divinylbenzene and at least one member of the group consisting of 2-vinylpyridin... | 01/29/1980 |
| 4185788 | Apparatus for disintegrating foodstuffs, especially fruit and vegetable foodstuffs The present invention relates to an apparatus for disintegrating foodstuffs especially fruit and vegetable foodstuffs including a casing, a spindle supported rotatably in said casing and extending axially therethrough and driven by a motor. A disintegrati... | 01/29/1980 |
| 4185179 | Key-switch device A key-switch device has mechanisms for locking an actuating member and devices for switching an electric circuit printed on a board. A specific key for releasing the lock of the actuating member is inserted into a key way in the actuating member, and the ... | 01/22/1980 |
| 4185114 | Sulfur-containing N-benzylamino-acids and salts thereof Compounds of the formula ##STR1## wherein X and Y, which may be identical to or different from each other, are each hydrogen or halogen, R1 is hydrogen or straight or branched alkyl of 1 to 4 carbon atoms, R2 is hydrogen, straight or... | 01/22/1980 |
| 4185113 | Stabilized metal salts of ethylene bis dithiocarbamic acid Compositions containing stabilized metal salts of ethylene bis dithiocarbamic acid with cinnamic aldehyde or a compound resulting from the conversion of cinnamic aldehyde which are useful as fungicides and to a process of stabilizing said metal salts.... | 01/22/1980 |
| 4185102 | 1,2-Dihydro-6-phenyl-1H,4H-imidazobenzodiazepin-1-ones Novel 1,2-dihydro-6-phenyl-1H,4H-imidazo[1,2-a][1,4]-benzodiazepin-1-ones of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, halogen, nitro and trifluoromethyl, R1 is selected from the group consisting ... | 01/22/1980 |
| 4185025 | Continuous process for ozonizing unsaturated compounds A process and an apparatus for the continuous ozonization of unsaturated organic compounds in the presence of water, wherein (a) the fresh charge mixture of unsaturated compounds to be ozonized is reacted in at least one first reactor in parallel flow with ozo... | 01/22/1980 |
| 4184985 | Stable, aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils containing hydroxyalkyl ether-ethoxylates Stable, aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils, containing hydroxyalkyl ether-ethoxylates of the formula ##STR1## wherein R1 and/or R2 are an alkyl group having 1 to 24 carbon atoms or hydrogen, and R... | 01/22/1980 |
| 4184975 | Pourable agglomerated aluminosilicate builder compositions for washing and cleansing agents A pourable agglomerated aluminosilicate builder composition comprising (A) from 20% to 70% by weight of at least one finely-divided, synthetically-produced, water-insoluble aluminosilicate compound containing at least some combined water and having a calcium b... | 01/22/1980 |
| 4184005 | Process of solvent-free lamination using isocyanate/amine adhesives A process for the production of laminated films employing a two component non-solvent adhesive system, which comprises the steps of applying a thin film of at least one polyether having at least two terminal isocyanate groups and a molecular weight betwee... | 01/15/1980 |
| 4183981 | Laundry finishing treatment rope and method A laundry finishing treatment rope for use in a mechanical laundry drier comprising an entwined strand of textile fibers in a cord form having both ends secured against fraying, the rope being impregnated with 10% to 90% by weight of a substance of the la... | 01/15/1980 |
| 4183875 | Substituted melamine additives useful in molding compositions based on thermosetting resins A substituted melamine additive being a mixture of the formula ##STR1## wherein the six R substituents represent the following: (a) 0 to 3 are hydrogen; (b) 1 to 5 are R'--OCH2 --, wherein R' is a member selected from the group consisting ... | 01/15/1980 |
| 4182887 | 3-Amino-4-phenyl-1H-pyrazolo[3,4-b]pyridines and salts thereof Compounds of the formula ##STR1## wherein R1 is mono- or di-substituted amino, where the substituents are selected from the group consisting of alkyl of 1 to 6 carbon atoms, cyclohexyl, allyl and benzyl; unsubstituted, mono-substituted or ... | 01/08/1980 |
| 4182819 | Process for the manufacture of vinyl chloride copolymers of a small and regular particle size A process for the manufacture of vinyl chloride copolymers soluble in lacquer solvents with a clear solution consisting of copolymerizing vinyl chloride and at least one other olefinically-unsaturated compound copolymerizable with vinyl chloride under sus... | 01/08/1980 |
| 4182655 | Enzyme immobilization with a protein carrier Enzymes are immobilized by mixing an enzyme solution with a dry insoluble crosslinked protein having a water-absorption capacity of 2 to 8 times its dry weight, allowing the protein to swell and suck up the total amount of enzyme solution and mixing the e... | 01/08/1980 |
| 4182183 | Thermistor circuit A thermistor circuit, wherein a thermistor, a current-limiting resistor, a complementary resistor and a desired-value variable resistor are connected together in the form of a resistance bridge, where the one diagonal of the resistance bridge is linked to... | 01/08/1980 |
| 4181777 | Rechargeable zinc halogen battery A rechargeable zinc halogen battery has an aqueous electrolyte containing ions of zinc and halogen and an amount of polysaccharide and/or sorbitol sufficient to prevent zinc dendrite formation during recharging. The electrolyte may also contain trace amou... | 01/01/1980 |
| 4181735 | Nematocidal cyclopropane carboxylates Novel compositions for the control of acariens and parasitic nematodes of vegetables having as the active component a compound of the formula ##STR1## wherein X is selected from the group consisting of chlorine and bromine and the alcohol is the (S) ... | 01/01/1980 |
| 4181704 | Process for the removal of sulfurous gases from the emissions of chemical processes A process for removing sulfurous by-product materials from high temperature reaction products of chemical processes consisting essentially in: (1) passing a simple or complex metal oxide in the form of a coarsely divided powder entrained in a conveying gas thr... | 01/01/1980 |
| 4181624 | Aminoalkanols The invention provides novel mixtures of at least two aminoalkanols of the formula: ##STR1## wherein R1 and R2 each represent a C1-21 alkyl and the sum of the carbon atoms in R1 and R2 is 6 to 22... | 01/01/1980 |
| 4180573 | 1-Piperazino-6-phenyl-4H-s-triazolo[3,4-c]thieno[2,3-e]1,4-diazepines Compounds of the formula ##STR1## wherein R1 is hydrogen, lower alkyl, halo-lower alkyl, hydroxy-lower alkyl, di(lower alkyl)amino-lower alkyl, phenyl, tolyl, methoxy-phenyl, nitro-phenyl, halo-phenyl, pyridyl, pyrimidinyl or --CO--R4... | 12/25/1979 |
| 4179575 | Polyhalogenated carboxylic acids Novel polyhalogenated cyclopropane carboxylic acid compounds of the formula ##STR1## wherein X1 is selected from the group consisting of hydrogen, fluorine, chlorine and bromine, X2 is selected from the group consisting of fluor... | 12/18/1979 |
| 4179508 | Sulfur-containing derivatives of 4,4-dimethyl-2H,4H-isoquinoline-1,3-dione, and anticonvulsant and antihyperlipidemic compositions thereof Compounds of the formula ##STR1## wherein A is lower alkylene, R is lower alkyl, and n is 0, 1 or 2; the compounds are useful as anti-hyperlipidemics and anti-convulsants.... | 12/18/1979 |
| 4179393 | Stable aqueous suspension of water-insoluble, calcium-binding aluminosilicates and organic suspending agents Stable, pumpable, aqueous suspensions of water-insoluble, calcium-binding aluminosilicates suitable as stock suspensions comprising (A) from 20% to 55% by weight of at least one finely-divided, water-insoluble silicate compound having a calcium-binding po... | 12/18/1979 |
| 4179391 | Phosphate-free textile detergent, especially for washing at temperatures of over 75° C. A pulverulent, phosphate-free textile detergent consisting essentially of: (a) from 20% to 40% by weight of a water-insoluble, finely-divided, crystalline alkali metal aluminosilicate having a calcium binding power of 50 to 200 mg of CaO/gm on the anhydrous ba... | 12/18/1979 |
| 4179268 | Method of machine washing of solid soiled materials by reversibly contacting the circulating wash liquid with aluminosilicates An improvement in the machine washing of solid soiled materials comprising withdrawing and recycling the wash liquor in contact with said solid soiled materials through a silicate cation exchange compound having some combined water and a particle size of ... | 12/18/1979 |
