Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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.
| Number | Title | Issue Date |
| 4504894 | Lighting unit for providing indirect light A lighting unit for indirect illumination of an area. The unit has a reflective surface contoured to direct reflected light rays from a source generally upward at predetermined angles for reflection by a surface above the lighting unit providing a symmetr... | 03/12/1985 |
| 4448707 | Material for drying cut plants and apparatus for facilitating such drying Material is provided for drying cut plants. The material includes a drying agent providing a basic pH in a solution of at least 11 and having properties of becoming at least partially insoluble at a pH no greater than approximately 13.4. The drying agent ... | 05/15/1984 |
| 4442021 | Method of protecting reinforcing bars, pre-stressing cables and similar articles inside of structures According to this method of corrosion protection a coating comprising an aqueous suspension of 10-99.99% of hydraulic binding agents, preferably cement or mixtures thereof with latent hydraulic additives, and 0.01-10% corrosion inhibitors is applied onto ... | 04/10/1984 |
| 4431562 | Hydrogen-containing silicic substance, process for producing the same and use thereof A hydrogen-containing silicic substance comprising a four-coordinate Si lattice surrounded by a shell of SiH2 and/or SiH3 is disclosed. The substance contains unbound hydrogen in the Si lattice, making it possible to conveniently sto... | 02/14/1984 |
| 4431563 | Inhibitors for acid gas conditioning solutions The corrosion of ferrous metal surfaces in gas conditioning apparatus is inhibited by using a gas conditioning solution such as aqueous alkanolamines which contain thionitrogen compounds such as metal thiocyanates or thioamides. After recycling the gas co... | 02/14/1984 |
| 4431561 | Hydrogen storage materials and method of making same A material for reversibly storing hydrogen is formed from a lightweight matrix which is chemically and structurally modified to improve its hydrogen storage properties. The utilization of a material which can be any of a number of different disordered str... | 02/14/1984 |
| 4424137 | Acrylic prepolymer and process for encapsulation of photocells Acrylic prepolymer comprising: from 10 to 50% by weight of units derived from at least one alkyl acrylate, the alkyl group having from 4 to 12 carbon atoms, from 30 to 60% by weight of units derived from at least one alkyl methacrylate, the alkyl group having ... | 01/03/1984 |
| 4422953 | Corrosion inhibition of halocarbon systems This invention relates to a method of inhibiting corrosion in halohydrocarbon systems such as haloethylene or other corrosive systems, which comprises treating such system with alkyl, alkenyl, or alkyl-X succinic acids or derivatives thereof, for example,... | 12/27/1983 |
| 4422950 | Bleach activator granules and preparation thereof Effervescent bleach activator granules for use in washing and/or bleaching compositions comprising a bleach activator, a peroxoborate and a binding material are disclosed. Preferred granules include an alkali metal perborate monohydrate, preferably in a p... | 12/27/1983 |
| 4422130 | Portable rechargeable lighting device A portable rechargeable lighting device featuring attractive appearance, simple construction and easy operation, in which a handle can protect a charging plug which fixedly protrudes from the body of the device, and disenable the lighting under the chargi... | 12/20/1983 |
| 4420803 | Housing for forming a vehicle light assembly A housing for forming a vehicle light assembly comprising a body for a light having the general shape of the rounded nose of a bullet on the back end as viewed from the side and top, a generally rectangular front end as viewed from the front and a general... | 12/13/1983 |
| 4420414 | Corrosion inhibition system Novel oil-dispersible corrosion inhibiting solutions are disclosed which contain an ethoxylated tertiary amine along with an organic corrosion inhibitor in a solvent. The inhibiting solutions containing the instant ethoxylated amines are effective in redu... | 12/13/1983 |
| 4419266 | Corrosion inhibitors containing 3-dialkyl-3-(1-ethylpentyl)-prop-1-yne An aqueous composition for inhibiting the corrosion of metals is described. The composition comprises a non-oxidizing acid, and, as a corrosion inhibitor, an effective amount of a 3-dialkylamino-3-(1-ethylpentyl)prop-1-yne.... | 12/06/1983 |
| 4419718 | Pocket flashlight The simple switch of a small pocket flashlight consists of a single spring wire conductor extending from the center post positive terminal diagonally downwardly across the insulating body separating the two cells toward the uncovered metal can negative te... | 12/06/1983 |
| 4419105 | Maleic anhydride-amine reaction product corrosion inhibitor for alcohols Alcohols may be inhibited against corrosion by addition thereto of a reaction product of a maleic anhydride and certain amines typified by alkyl isopropoxy aminopropyl amines.... | 12/06/1983 |
| 4418377 | Apparatus to prevent reflection of vehicle instrument panel illumination light A meter has a polarizing filter so that only light having a substantially horizontal wave motion is emitted therefrom. The meter is positioned beneath a canopy which prevents light from impinging on the vehicle windshield so that polarized light impinges ... | 11/29/1983 |
| 4418001 | Melamine group containing ultraviolet stabilizers and their use in organic compositions III The invention relates to melamine group containing compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a melamine group containing compo... | 11/29/1983 |
| 4418002 | Melamine group containing ultraviolet stabilizers and their use in organic compositions II The invention relates to melamine group containing compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a melamine group containing compo... | 11/29/1983 |
| 4418000 | Melamine group containing ultraviolet stabilizers and their use in organic compositions The invention relates to melamine group containing compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a melamine group containing compo... | 11/29/1983 |
| 4417999 | Free flowing antistatic composition A free flowing antistatic composition is provided in a solid particulate form for use with polymeric materials. The composition is a flowable mixture of predominantly C18 alkyl ethoxylated primary amine particulates with micron sized silica gel... | 11/29/1983 |
| 4412935 | Storage material for hydrogen utilizing amorphous silicon and a method for producing the same A storage material for hydrogen comprised of amorphous silicon containing phosphorous, in addition to hydrogen (a-Si:H:P). In certain embodiments, such storage material is produced via a glow discharge plasma from a reactive gas mixture in accordance with... | 11/01/1983 |
| 4412934 | Bleaching compositions This invention relates to bleaching compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. Surface bleaching of textiles is bleaching wherein the bleaching mechanism takes place o... | 11/01/1983 |
| 4411811 | Clarification of black phosphoric acid with phosphoric acid rinse water This invention provides a process for clarifying black wet process phosphoric acid that comprises admixing said black phosphoric acid with phosphoric acid rinse water in a weight ratio of rinse water to black acid between about 0.5 and about 5, letting th... | 10/25/1983 |
| 4409121 | Corrosion inhibitors Corrosion and scale-inhibiting compositions which are useful in recirculating aqueous systems comprise a mixture of a phosphate compound, a phosphonate compound comprising 1-hydroxyethylidene-1,1-diphosphonic acid or nitrilotris(methylene)triphosphonic ac... | 10/11/1983 |
| 4407743 | Novel N,N'-bis(trifluoromethylsulfonyl)oxamides and chemiluminescent compositions containing the same N,N'-bis(trifluoromethylsulfonyl)oxamides are described with 2,2,2-trifluoroethyl, (ethoxycarbonyl)methyl, and [(phenylmethoxy)carbonyl]methyl substitution at the amido nitrogen atoms. These compounds, when used in chemiluminescent formulations, furnish ... | 10/04/1983 |
| 4406813 | Disoxidant and process for preparing same A process for preparing a disoxidant, comprising: providing fine powder of a porous filler f-1, such as zeolite, having a particle size not greater than 100 mesh and coarse powder of a porous filler f-2, such as zeolite, having a particle size greater tha... | 09/27/1983 |
| 4405513 | Novel cationic-substituted 9,10-bis-(phenylethynyl)anthracenes Compounds useful as fluorescers in aqueous chemiluminescent mixtures, have the formula ##STR1## wherein X and Y represent hydrogen, or a quaternary ammonium group ##STR2## wherein m is 0 or 1 n is an integer from one to five R1, R | 09/20/1983 |
| 4405493 | Corrosion inhibitors, method of producing them and protective coatings containing them Corrosion inhibiting particles comprise an inorganic oxide, particularly alumina, having corrosion inhibiting anions, particularly phosphate, chromate or benzoate anions, chemically bound to them. They may be prepared by contacting an oxide containing hyd... | 09/20/1983 |
| 4405494 | Polyhydroxy-polyalkylene-polyamine salts of maleic amide acids as corrosion inhibitors in water-in-oil emulsions Polyhydroxy-polyalkylene-polyamine salts of maleic amide acids are useful metal corrosion inhibitors for use in water-in-oil emulsions.... | 09/20/1983 |
| 4405487 | Combination moisture and hydrogen getter A combination moisture and hydrogen getter comprises (a) a moisture getter comprising a readily oxidizable metal; and (b) a hydrogen getter comprising (i) a solid acetylenic compound and (ii) a hydrogenation catalyst. A method of scavenging moisture from a closed ... | 09/20/1983 |
| 4404117 | Corrosion protection for non-amalgamated zinc A pseudo-passive anode zinc is obtained by doping ultra-pure Zn powder with 0.1 to 0.6% by weight Ag from a silver thiosulfate solution, and then exposing it at elevated temperature to a zincate-containing hydroxide. This exhibits a lower corrosion rate t... | 09/13/1983 |
| 4404618 | Flash device A flash device of the type in which the flash tube is coated with a trigger electrode and is positioned in contact with the back metal constituting part of the reflector so that when the trigger signal is applied directly to the back metal, the flash tube... | 09/13/1983 |
| 4403994 | Bleaching agents The present invention relates to the provision in solid form of the magnesium salt of certain aromatic, cycloaliphatic or conjugated aliphatic compounds containing a peroxycarboxylic acid group and a carboxylate group, and optionally also an alkyl, carbox... | 09/13/1983 |
| 4404114 | Acrylate/silicate corrosion inhibitor An aluminum corrosion inhibitor composition comprising an aqueous and/or alcohol solution of a polymerizable-acid graft copolymer plus at least one organic and/or inorganic silicate, together with a method for using such composition.... | 09/13/1983 |
| 4404116 | Noncorrosive urea-sulfuric acid reaction products Improved liquid, urea-sulfuric acid compositions noncorrosive to stainless steel contain about 5 to about 75 weight percent urea, about 5 to about 85 weight percent sulfuric acid, 0 to about 75 weight percent water and a corrosion inhibiting amount of a c... | 09/13/1983 |
| 4403274 | Portable lamp A portable lamp is comprised of two formed plastic housing halves which are secured together by the engagement of headed projections extending from one of the housing halves and received over flanges in the other of the housing halves. The portable lamp i... | 09/06/1983 |
| 4402852 | Noncorrosive urea-sulfuric acid compositions Improved, liquid, urea-sulfuric acid reaction product compositions, noncorrosive to carbon steel, contain about 5 to about 75 weight percent urea, about 5 to about 85 weight percent sulfuric acid, 0 to about 75 weight percent water, and a corrosion inhibi... | 09/06/1983 |
| 4402858 | Hydrolytically stable antioxidant composition Stabilizing composition comprising (I) a phosphite P(OR)3 and (II) an organic metal salt M(OOCR1)n, the P/M molar ratio being from 78/1 to 900/1.... | 09/06/1983 |
| 4402847 | High lead solder corrosion inhibitors Compositions and method of using said compositions for inhibiting mineral scale and the corrosion of high lead solder and the cavitation-erosion corrosion of aluminum in aqueous systems are disclosed. Unexpectedly, a mixture of a siloxane-silicate copolym... | 09/06/1983 |
| 4402853 | Stable peroxide composition and method of preparation thereof A stable succinyl peroxide composition comprising in solid particulate form a mixture of succinyl peroxide, a water-soluble dehydrating agent which is unreactive to succinyl peroxide, e.g., magnesium or sodium sulfate, and water, the water being bound to ... | 09/06/1983 |
