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 |
| 4957884 | Titanium diboride/boron carbide composites with high hardness and toughness A powder composition consisting essentially of an intimate mixture of boron carbide and titanium diboride, the mixture having an average particle size of less than about 0.5 micron, the particles being uniformaly dispersed such that elemental analytical t... | 09/18/1990 |
| 4923753 | Controlled-release compositions for acids A controlled release composition for use with liquid acids, and a method of preparation is disclosed. The composition comprises (1) a porous matrix comprising and substantially inert to an absorbed acid; (2) a midlayer surrounding the matrix, this midlaye... | 05/08/1990 |
| 4895628 | Process for the preparation of submicron-sized boron carbide powders Ultrafine, high purity B4 C is produced by BCl3, CH4 or C2 H4, and H2, using a CO2 laser, when a stoichiometric excess of H2 and about half the stoichiometric amount o... | 01/23/1990 |
| 4892579 | Process for preparing an amorphous alloy body from mixed crystalline elemental metal powders A process for preparing a substantially amorphous metal alloy body from substantially crystalline mixed elemental metal powders is disclosed. The process for producing the mixed elemental metal powders comprises the step of (1) entraining vapors of at lea... | 01/09/1990 |
| 4885381 | Phosphate-phosphites acid halides Included are halogenated phosphate-phosphites and their acid halides and acids. The halogenated phosphate-phosphites can be prepared by a process comprising serially contacing (A) a phosphorus trihalide with a triol; (B) a halogenating agent; and (C) an oxiran... | 12/05/1989 |
| 4864049 | (Halo)(hydroxy)-substituted phosphites and phosphorates Novel (halo)(hydroxy)-substituted phosphorus-containing acid derivatives are disclosed. Preferred compounds are 2-halo-3-hydroxypropyl ester derivatives of phosphorus and phosphoric acid formed by reaction of at least some amount of tertiary butyl glycidy... | 09/05/1989 |
| 4840676 | Insoluble pigments and preparation thereof A water-insoluble pigment comprising a complex of an anion exchange material with a layered crystal structure and a water-soluble dye is disclosed. The anion exchange material may be represented by the general formula where M is a metal element or element... | 06/20/1989 |
| 4836941 | Clear brine fluids A clear brine fluid composition for use in servicing wells in the oil and gas industry comprising a solution of a zinc halide and a calcium halide in water having a density lying in the range of about 15 to about 22 ppg, a measured alkalinity lying in the... | 06/06/1989 |
| 4830846 | Separation process for anhydrous HCl and HBr by thermal cleavage A method for the separation of anhydrous HCl and HBr from mixtures of the two acids comprising treating the mixture with a hindered pyridine to form a mixture of hindered pyridine salts of the acids, and heating the mixture of salts to a temperature at wh... | 05/16/1989 |
| 4816072 | Dispersion process for ceramic green body A process is described for the preparation of a ceramic green body by hydrolyzing at least one alkoxide selected from each of two specified groups to form a dispersion of their reaction product, concentrating the dispersion to a sediment without drying it... | 03/28/1989 |
| 4808350 | Liquid distributor apparatus for high turndown ratios and minimum fouling An improvement in an apparatus for distributing a downflowing liquid uniformly across the packed bed of a vapor-liquid contact column is disclosed. The improvement comprises a predistributor which comprises a plate and an upstanding wall member along one ... | 02/28/1989 |
| 4756844 | Controlled-release composition having a membrane comprising submicron particles Novel controlled-release compositions are disclosed. These compositions comprise: (1) an agent suitable for use in a selected environment; and (2) a membrane surrounding this agent. The membrane is substantially inert to the agent and permeable to the env... | 07/12/1988 |
| 4728446 | Corrosion inhibitor for brines A corrosion inhibiting composition including a solution of at least one alkali or alkaline-earth metal halide in water and specific corrosion inhibiting concentrations of zinc ions and thiocyanate ions, for use in well drilling, completion, packer fluid a... | 03/01/1988 |
| 4714729 | Ultraviolet light-stable ignition resistant thermoplastic molding compositions The novel compositions of this invention are ignition resistant thermoplastic compositions comprising in admixture a thermoplastic resin and an ignition resistant additive selected from the group consisting of: at least one unsymmetrical carbonic acid est... | 12/22/1987 |
| 4714771 | Process for preparing halogenated trialkyl phosphate esters A method of producing a halogenated trialkyl phosphate ester which comprises admixing a halogenated hydroxy compound containing a halogen selected from the group consisting of bromine, chlorine, iodine and mixtures thereof, a phosphorus oxyhalide containi... | 12/22/1987 |
| 4710227 | Dispersion process for ceramic green body Preparation of a ceramic green body by hydrolyzing two groups of alkoxides to form a dispersion of their reaction product, concentrating the dispersion to a sediment without drying it, and admixing a binder solution, plasticizer and release agent with the... | 12/01/1987 |
| 4689129 | Process for the preparation of submicron-sized titanium diboride Ultrafine titanium diboride powder is produced by subjecting a gaseous mixture of BCl3, H2, and TiCl4 to an amount of laser radiation effective to convert at least a portion of the volatile boron and titanium sources to ti... | 08/25/1987 |
