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 |
| 6858761 | Process for preserving resin catalyst for addition reaction of alkylene oxide and utilization of this process The present invention provides a process and its utilization in a process comprising the step of carrying out an addition reaction of an alkylene oxide to an addition-receiving substance in the presence of a resin catalyst, thereby producing the addition reaction pr... | 02/22/2005 |
| 6252106 | Method for stabilizing a sex pheromone compound An efficient method is proposed for the stabilization of a sex pheromone compound of insect pest, which is a long-chain aliphatic unsaturated ester, alcohol, ketone or hydrocarbon compound having at least ten carbon atoms and at least one double bond in a... | 06/26/2001 |
| 5874643 | Hypophosphorous acid to stabilize fatty alcohols Fatty alcohol containing admixed therewith a small amount on the order of up to 1.0 wt. % of hypophosphorous acid, exhibits markedly reduced oxidation and oxidation-related deterioration such as discoloration and other side effects. This discovery is part... | 02/23/1999 |
| 5869565 | Polyether polyol and polyurethane compositions protected against oxidation and core scorching Described are compositions protected against thermal and oxidative degradation, comprising A) a polyether polyol or mixtures of such polyols, B) at least one benzofuranone derivative of formula I ##STR1## wherein either two of R1, R7... | 02/09/1999 |
| 5830935 | Color of basic metal organic salts by employing C7 -C17 alkyl glycidyl esters and stabilized halogen-containing polymers A light colored basic alkali or alkaline earth metal organic salt is obtained by the reaction of a basic metal compound, an alkyl phenol and/or a carboxylic acid, carbon dioxide, and thereafter post-treating the reaction product with a C7 -C | 11/03/1998 |
| 5831102 | Chemiluminescent 3-(substituted adamant-2'-ylidene) 1,2-dioxetanes Enzymatically cleavable chemiluminescent 1,2-dioxetane compounds capable of producing light energy when decomposed, substantially stable at room temperature before a bond by which an enzymatically cleavable labile substituent thereof is intentionally clea... | 11/03/1998 |
| 5798412 | Alkylene glycol production using carbon catalysts A process in which carbon is used to catalyze production of alkylene glycols from alkylene oxides and water. Using this process, carbon may be employed to selectively catalyze the hydrolysis of alkylene oxides, such as ethylene oxide, to monoalkylene gylc... | 08/25/1998 |
| 5399789 | Process and composition A process comprising the addition of a degradation inhibiting effective amount of an amine having a boiling point above that of the phenol used in the process to a composition comprising the said phenol and a bisphenol, the addition occurring prior to a p... | 03/21/1995 |
| 5382708 | Process for inhibiting dihydric phenol degradation and color formation and composition thereof A process for improving the color of bisphenol-A and improving yields of bisphenol-A comprises the addition of hypophosphorus acid either prior to or concurrent with a distillation step.... | 01/17/1995 |
| 5371284 | Phenyl acetylenic acetals Phenyl acetylenic acetals and thioacetals and their use in the treatment of allergy, asthma, inflammation, arthritis, hyperproliferative skin disease, psoriasis or contact dermatitis are disclosed. Also disclosed are intermediates useful for producing sai... | 12/06/1994 |
| 5288925 | Method for inhibiting the deposition of ethylene-vinyl alcohol copolymer A method for preventing the precipitation of ethylene-vinyl alcohol copolymers in a distillation vessel. The vessel contains water, methanol, and ethylene-vinyl alcohol copolymers. The method includes the step of adding to the distillation vessel from 1 t... | 02/22/1994 |
| 5218008 | Polyethers stabilized with 6-chromanol derivatives 6-chromanol derivatives are used as antioxidants in polyethers. These, particularly in conjunction with other antioxidants, provide excellent protection against oxidation at very low levels of use. They are particularly useful in polyethers for preparing ... | 06/08/1993 |
| 4894486 | Stabilizer for bisphenols and process of using same Lactic, malic and glyceric acids have been found to be superior to the hydroxy acids here-to-fore employed for the stabilization of bisphenols. These hydroxy carboxylic acids or their ammonium or alkali metal salts can be added to the feed reactants used ... | 01/16/1990 |
| 4692544 | Inhibiting polymerization of ethylenically unsaturated monomers Certain substituted diaryl amines are used to inhibit the polymerization of ethylenically unsaturated monomers; for example, unsaturated carboxylic acids and derivatives thereof.... | 09/08/1987 |
| 4636476 | Preserving agent and method of use thereof A tablet for use in preserving samples of milk for analysis comprises bronopol (2-bromo-2-nitropropane-1,3-diol) and a water-soluble solid organic carboxylic acid, the amount of the organic acid being within the range 0.002-0.07 milli-equivalents per mill... | 01/13/1987 |
| 4593128 | Stabilized polyhydroxybutadiene compounds Polyhydroxybutadiene compounds are storage stabilized against reactivity changes by incorporating therein an effective amount of a di or triphenyl phosphine compound of the formula ##STR1## wherein each x is hydrogen, a halogen or an alkyl or alkoxy ... | 06/03/1986 |
| 4582943 | Stabilization of polyalkylene glycols A stabilizer system containing at least one compound of the formula I ##STR1## and one compound of the formula II ##STR2## the substituents R1, R2, R and R' having the meanings defined in the text, and x being 1 to 3. This ... | 04/15/1986 |
| 4469901 | Complex formed for separating isopropylated m-cresols A process is disclosed for separating 5-isopropyl-m-cresol from other isopropylated m-cresols by treating a mixture of the isopropylated m-cresols with a metal halide salt. The metal halide salt preferentially forms a complex with 5-isopropyl-m-cresol ove... | 09/04/1984 |
| 4469900 | Complex formed for separating chlorinated phenols A process is disclosed for separating closely-boiling chlorinated phenolic compounds from other chlorinated and unchlorinated phenolics by treating a mixture of the phenolics with a metal halide salt. The metal halide salt preferentially forms a complex w... | 09/04/1984 |
| 4435603 | Method for preventing caking of polyols A polyol composition comprising a solid polyol which is crystalline under normal conditions and, as an anti-caking agent therefor, a tertiary amine containing at least two identical organic substituents, each having two to twenty carbon atoms. A method of... | 03/06/1984 |
| 4405817 | Stabilized hydroxyl terminated reactive liquid polymers Shelf stability of hydroxyl terminated liquid polymers is vastly improved by mixing a strong inorganic or organic acid, therewith in order to adjust acid number thereof up to about 12. Amount of the acid used is less than 1% by weight of the liquid polyme... | 09/20/1983 |
| 4362644 | Arylalkyl silicone sulfonate-silicate copolymers Novel arylalkyl silicone sulfonate-silicate copolymers are disclosed which are useful in inhibiting the corrosion of metals below sodium in the electromotive series that come in contact with aqueous liquids, especially aqueous alcohol solutions used as he... | 12/07/1982 |
| 4359590 | Titanate ester-stabilized bisphenols A bisphenol is stabilized against thermal decomposition in the molten state in a non-reactive environment by incorporation in the bisphenol of a small stabilizing amount of a quaternary ester of ortho titanic acid and an aliphatic alcohol.... | 11/16/1982 |
| 4344860 | Stabilization of silicates using salts of substituted nitrogen or sulfur containing siliconates Salts of substituted nitrogen or sulfur containing siliconates are effective stabilizers for aqueous silicates in such applications as treating boiler water, geothermal water and other aqueous silicates. They are also useful in antifreeze and coolant solu... | 08/17/1982 |
| 4316996 | Discoloration prevention of phenolic antioxidants Detrimental color change of phenolic antioxidants during production, storage and use in rubbers is inhibited by adding during the synthesis of the phenolic antioxidant a disubstituted hydroxylamine to the catalyst neutralization solution and a substituted... | 02/23/1982 |
| 4299709 | Tracer fluids for enhanced oil recovery Disclosed is a tracer fluid for use in connection with surfactant waterflooding or other chemicalized enhanced oil, recovery processes, and an oil recovery process using the fluid. Fluids containing easily identifiable components such as water-soluble, in... | 11/10/1981 |
| 4260437 | Stabilizers for solid propellant binders Metals such as copper and the transition elements may give rise to serious problems in conventional rubber based solid propellant binders. These metals may accelerate the curing action to such a degree that the pot life of the freshly mixed propellant is ... | 04/07/1981 |
| 4248867 | Stabilized oily preparation of 1-hydroxy-vitamin D and method for manufacturing the same A stabilized oily preparation of a 1-hydroxy-vitamin D for oral administration comprising a 1-hydroxy-vitamin D and, as oily diluent, a triglyceride of saturated middle chain fatty acid which has been treated under certain conditions, and a ... | 02/03/1981 |
| 4181545 | Hydroxylic aromatic compounds as additives for rubber-based, composite solid propellants Contaminant metal ions of the transition elements such as copper and iron for example may give rise to serious problems in the curing of polymeric binders for conventional rubber-based solid propellants. These metal ions may accelerate the curing action t... | 01/01/1980 |
| 4056507 | Hindered piperidine carboxylic acids, metal salts thereof and stabilized compositions Compounds having the formula ##STR1## WHEREIN R1 and R2 are lower alkyl or cycloalkyl, R3 is hydrogen, alkyl, methoxyethyl, alkenyl, propargyl, benzyl or alkyl substituted benzyl, R4 is alkylene, alkyl-thio-alk... | 11/01/1977 |
| 3997679 | Stabilization of xanthophylls The xanthophyll esters, that are normally recovered from plant sources such as the marigold plant, Tagetes erecta, are selectively saponified. The neutralized, selectively saponified material, when incorporated into an inert carrier, provides a stable xan... | 12/14/1976 |