Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 5094778 | Mixed metal hydroxide containing a dispersant Novel compositions useful as fluid gelling agents, especially for use in subterranean applications such as drilling fluids, are prepared by reacting an aqueous dispersion of a clay, such as bentonite, with an aqueous gel of a monodispersed mixed metal lay... | 03/10/1992 |
| 5084209 | Layered mixed metal hydroxides made in non-aqueous media Crystalline layered mixed metal hydroxides (LMMHs) which are substantially free of unbound water and which conform substantially to the general formula Lim Dd T(OH).sub.(3+m+d), where m represents an amount of Li of from 0 to 3, D represe... | 01/28/1992 |
| 5031546 | Hopper car discharge system A hopper discharge outlet unit for railroad hopper cars useful for breaking up large chunks of agglomerated material and permits continuous off-loading of the railroad hopper cars including a delumper mounted inside of a pneumatic hopper discharge outlet ... | 07/16/1991 |
| 5015409 | Viscosity-modifiers for aqueous-based functional products containing mixed metal hydroxides Aqueous-based functional products or corrosive products such as cleansers, household products, commercial products, and personal care products are thickened or viscosity-modified by the addition of at least a small, but effective, amount of at least one c... | 05/14/1991 |
| 4999025 | Viscosity-modifiers for aqueous-based dye-depletion products Aqueous-based dye-depletion formulations such as bleaches, oxidizing agents or reducing agents are thickened or viscosity-modified by the addition of at least a small, but effective, amount of at least one crystalline mixed metal hydroxide conforming subs... | 03/12/1991 |
| 4992096 | Metallothermic reduction or rare earth metals In a metallothermic process for reducing rare earth metal salts to produce pure rare earth metals and metal alloys, e.g. neodymium or neodymium/iron alloy for use in manufacturing neodymium/boron/iron permanent magnets, including adding pure metallic iron... | 02/12/1991 |
| 4990268 | Mixed metal hydroxides for thickening water or hydrophylic fluids Novel monodispersed crystalline mixed metal layered hydroxide compounds of the general formula are prepared: Lim Dd T(OH).sub.(m+2d+3+na) Aan, where m is an amount from zero to 1; D is a divalent metal; d is the amo... | 02/05/1991 |
| 4988211 | Process and apparatus for contactless measurement of sample temperature The present invention includes a process and apparatus for determining the temperature of a sample such as urine without contacting the sample itself. A portable device is used to carry the temperature measuring apparatus. The sample of urine is placed in... | 01/29/1991 |
| 4980074 | Corrosion inhibitors for aqueous brines A high density brine useful as a drilling fluid for deep wells is rendered corrosion resistant by the incorporation of a soluble aliphatic or aromatic aldehyde with or without olefinic unsaturation and with the use of alkali metal thiocyanates or ammonium... | 12/25/1990 |
| 4974456 | Zero head space sampling method A sampling apparatus is disclosed including a sample container with a removable cap; an inlet conduit adapted for introducing a stream of fluid into the sample container; an outlet conduit adapted for removing a stream of fluid from the sample container; ... | 12/04/1990 |
| 4952297 | Storage, transportation and installation container for ion-exchange membranes A storage, transportation and installation apparatus for ion exchange membranes for bipolar ion-exchange membrane chlorine cells which protects the ion-exchange membrane from the environment. The apparatus includes a container which allows the wet membran... | 08/28/1990 |
| 4915803 | Combination seal and frame cover member for a filter press type electrolytic cell A combination electrolysis cell seal member and electrolysis cell frame cover member suitable for use as a gasket/cover member in an electrolytic cell of the filter press type. The gasket/cover member used for a filter press-type electrolytic cell include... | 04/10/1990 |
| 4909975 | Fine denier fibers of olefin polymers Fine denier fibers and/or multi-filaments prepared from linear low density polyethylene copolymers (LLDPE) are found to offer advantages over other forms of polyolefins.... | 03/20/1990 |
| 4910246 | Intercalations of crystalline lithium aluminates Useful compositions are prepared by incorporating into organic materials, crystalline lithium aluminates which conform substantially to the empirical formula (LiAx)y.2Al(OH)3.nH.sub.2 O where A represents one or more anions and... | 03/20/1990 |
| 4910253 | Oxygen barrier resins Carbon monoxide-containing ethylene polymers are blended with vinyl alcohol polymers, including vinyl alcohol homopolymers and copolymers, to prepare oxygen barrier resins having good processability.... | 03/20/1990 |
| 4847155 | Barrier film structures Articles useful as RF-sealable packaging materials comprise a halopolymer barrier layer coated onto, or adhered to, a carbon monoxide-containing polymer, wherein the carbon monoxide-containing polymer provides RF-sealability to the structure. Other layers... | 07/11/1989 |
| 4760041 | Preparation and use of electrodes A substrate is coated with a solution of metal oxide precursor compounds and an etchant for etching the substrate, the metal oxide precursor compounds are thermally concentrated by removing volatiles therefrom, and the so-concentrated metal oxides precurs... | 07/26/1988 |
| 4748139 | Preparation of precursor materials convertible into bi- and poly-metal spinels A method of producing layered structures of metal hydroxides (one or more metals) free of chloride or chlorine is disclosed. A specific ratio layered structure hydroxide is obtained from mixing first and second metals (respectively in the form of hydroxid... | 05/31/1988 |
| 4747957 | Brine treatment using ethylene carboxylic acid polymers Hardness values (Ca++ and Mg++) and other polyvalent metal cations are removed from alkali metal brines (esp. NaCl) by using a high surface area ethylene/carboxylic acid polymer (esp. porous ethylene/acrylic acid copolymers).... | 05/31/1988 |
| 4747954 | Removal of metals from solutions Particles, fibers, or filaments of ethylene/carboxylic acid copolymers or terpolymers, especially in highly porous or microporous form, are employed in removing contaminants from solution in aqueous and/or organic liquids, especially metal contaminants. T... | 05/31/1988 |
| 4708737 | Injectable reagents for molten metals Injectable reagents useful for innoculating molten process metals, such as molten iron, are prepared by effecting an impregnation of a minor amount of a molten metal reagent, such as Mg or Al or alloys of these, into small particles of a major amount of a... | 11/24/1987 |
| 4692431 | Hydrous oxide activated charcoal A method for producing a metal ion exchanger with increased absorption and regeneration capabilities that comprises treating an ionically inert porous support with a solution of metal oxychloride. Said metal oxychloride precipitates within the pores of th... | 09/08/1987 |
| 4678713 | Co-extruded laminates containing carbon monoxide interpolymers Carbon monoxide-containing polymers are disclosed which are heatable with high frequency (HF) electromagnetic radiation, including RF-frequencies and MW-frequencies, and which are used in imparting RF-sealability in structures, packaging material, laminat... | 07/07/1987 |
| 4666988 | Ethylene copolymers reacted with metal oxides Melt-reacted blends of ethylene/ carboxylic acid copolymers with metal oxides are improved by first incorporating the metal oxide into an ethylene copolymer of LDPE, HDPE, or LLDPE to form a concentrate or masterbatch, then melt-blending a minor amount of... | 05/19/1987 |
| 4629741 | Chromium oxide in ion exchange resins and use to remove multivalent metal cations from solutions of at least 1% salinity Novel anion exchange resin composites having hydrous chromium III oxide (Cr2 O3.nH.sub.2 O) incorporated therein are useful in removing a wide array of polyvalent metal cations from aqueous solution.... | 12/16/1986 |
| 4616072 | Halogenated ethylene-carbon monoxide interpolymer Halogenated interpolymers of ethylene and carbon monoxide. The halogenated interpolymer is prepared by (a) preparing a mixture of a liquid medium and a backbone polymer having interpolymerized therein ethylene and carbon monoxide, (b) contacting the backb... | 10/07/1986 |
| 4610797 | Metallo-organo aluminates as lubricant additives Crystalline aluminates conforming substantially to the general formula LiR.2Al(OH)3, CaR(A).2Al(OH)3, or ZnR(A).2Al(OH)3, where R is an organic acid of C6 -C22 and A, when present, is an inorganic ani... | 09/09/1986 |
| 4611017 | Stabilized carboxyl-containing ethylene interpolymers The oxidative, process, and/or color stability of carboxyl-containing ethylene interpolymers is improved by incorporating therein at least one aromatic bis(organophosphorus) compound, with or without a hindered phenol antioxidant and/or a dicarboxylic aci... | 09/09/1986 |
| 4602058 | Compatibility and stability of blends of polyamide and ethylene copolymers The compatibility and thermal stability of blends of polyamides/carboxyl-containing ethylene polymers is improved by adding thereto an organic carboxylic acid compound, especially di-basic acids such as sebacic acid or tartaric acid. The blends may also c... | 07/22/1986 |
| 4600614 | High-frequency heatable plastics Olefin polymers which are unsuited, or ill-suited, for heating, sealing, or bonding by the action of high-frequency electromagnetic radiation, especially microwave radiation, are rendered heatable by such radiation by incorporating carbon monoxide, as a c... | 07/15/1986 |
| 4599392 | Interpolymers of ethylene and unsaturated carboxylic acids Homogeneous, random interpolymers of ethylene and lesser amounts by weight of olefinically-unsaturated comonomers are prepared in a substantially constant environment, substantially steady-state reaction mixture, in a well-stirred autoclave reactor, in co... | 07/08/1986 |
| 4594382 | Thermally stabilized carboxyl-containing ethylene copolymers and preparation thereof A carboxyl-containing ethylene copolymer composition exhibiting thermal stability and method for preparing the same. The composition comprises (a) an ethylene copolymer containing a carboxyl-functional comonomer in an amount ranging from about 0.01 to abo... | 06/10/1986 |
| 4594335 | Transition metal aluminates Crystalline transition metal aluminate compounds are formed by reacting transition metal compounds with crystalline hydrous alumina, such as gibbsite, bayerite, norstrandite, boehmite and the like. The crystalline hydrous alumina may be unsupported by a s... | 06/10/1986 |
| 4585801 | Re-use of fluoropolymer membranes Used or contaminated pieces of fluoropolymer membrane or sheet materials are salvaged for re-use by particulating the materials into powders, granules, or fibers, or otherwise reforming it, treating the particulated material, as desired, to cleanse or mod... | 04/29/1986 |
| 4584085 | Preparation and use of electrodes A substrate is coated with a solution of metal oxide precursor compounds and an etchant for etching the substrate, the metal oxide precursor compounds are thermally concentrated by removing volatiles therefrom, and the so-concentrated metal oxides precurs... | 04/22/1986 |
| 4578414 | Wettable olefin polymer fibers Wettable fibers and/or filaments, especially those of fine denier, are prepared from olefin polymers, especially linear low density copolymer (LLDPE), by having incorporated into said olefin polymer at least one wetting agent of the group comprising (a) a... | 03/25/1986 |
| 4572788 | Treatment of contaminated Stretford solution A side-stream portion of a Stretford Process solution is taken from the main-stream in order to reduce the amount of deleterious side-products in the solution and the ADA values and vanadium values are salvaged from the side-stream by taking up the ADA va... | 02/25/1986 |
| 4569765 | Chromium oxide in ion exchange resin Novel anion exchange resin composites having hydrous chromium III oxide (Cr2 O3.nH.sub.2 O) incorporated therein are useful in removing a wide array of polyvalent metal cations from aqueous solution.... | 02/11/1986 |
| 4559084 | Salt-coated magnesium granules Small rotund magnesium (or Mg alloy) granules dispersed in a friable salt matrix are obtained by preparing a molten salt mixture containing molten magnesium (or Mg alloy) stirring to effect good dispersion, and cooling the molten mixture to effect freezin... | 12/17/1985 |
| 4557810 | Bonded asbestos diaphragms The hydrophilicity and other properties of fluoropolymer-bonded asbestos diaphragms for use in brine electrolysis cells are improved by incorporating Na2 CO3 into the aqueous slurry from which the diaphragms are prepared.... | 12/10/1985 |