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 |
| 7268253 | Process for preparing α, α-dialkyl-α-hydroxymethyl-carboxylic acid derivatives The invention relates to a novel process for hydroxymethylating noncyclic α,α-dialkylcarboxylic acid derivatives with formaldehyde using amide bases at temperatures of from −40° C. up to the boiling point of the solvent or solvent mixture used. ... | 09/11/2007 |
| 6812361 | Process for preparing isocyanatoorganosilanes The invention relates to a method for producing isocyanato-organosilane of general formula (I) R2R3R4Si—R1—N═C═O. According to said method, gaseous carbamato-organosilane of general formula (II) R2R... | 11/02/2004 |
| 6806379 | Preparation of alkylamines A continuous process for preparing alkylamines comprises reacting continuous streams of ammonia and alkyl halide in a molar ratio of at least 10:1 in a pressure reactor. The ultimate reaction mixture has a temperature of >80° C., a pressure of >40 bar and an ammoni... | 10/19/2004 |
| 6750371 | Process for the oxidation of alcohols to aldehydes and ketones in the presence of nitroxyl compounds as catalysts An alcohol is oxidized to an aldehyde or a ketone in the presence of a nitroxyl compound as catalyst, wherein the alcohol to be oxidized is contained in an organic liquid phase, and is reacted in the presence of a nitroxyl compound with an aqueous phase comprising a... | 06/15/2004 |
| 6057008 | Process for broadening cholesteric reflection bands of photopolymerizable cholesteric liquid crystals, and optical elements produced by this process Process for broadening cholesteric reflection bands of photopolymerizable cholesteric liquid crystals, and optical elements produced by this process. The invention relates to a process for broadening the cholesteric reflection bands of photopolymerizable ... | 05/02/2000 |
| 5641850 | Process for the preparation of liquid-crystalline polyorganosiloxanes containing (meth)acryloxy groups Liquid-crystalline polyorganosiloxanes containing methacryloxy and/or acryloxy groups are prepared by reaction of polyorganosiloxanes containing hydrogen atoms bonded directly to silicon atoms with alkenes and/or alkynes containing mesogenic groups in two... | 06/24/1997 |
| 5571554 | Process for reducing the content of triglycerides in egg yolk and in products containing egg yolk A process for reducing the content of triglycerides in egg yolk and in products containing egg yolk includes (a) diluting egg yolk with water or an aqueous salt solution, (b) adding at least one cyclodextrin to this solution, (c) separating off the cyclod... | 11/05/1996 |
| 5502206 | Liquid-crystalline organosiloxanes containing chiral tartarimides The liquid-crystalline organosiloxanes containing, per molecule, at least one Si--C-bonded chiral tartarimide radical of the formula ##STR1## in which M, A5 and k are as defined in claim 1, can be employed as chiral filter materials, for d... | 03/26/1996 |
| 5357012 | Water-insoluble cyclodextrin polymers and processes for their preparation A hydrophilic, water-dilatable cyclodextrin polymerizate has a high cyclodextrin content which possesses good mechanical properties. The cyclodextrin pearl polymerizates are produced by radical, inversion suspension polymerization of cyclodextrin derivati... | 10/18/1994 |
| 5185419 | Poly(arylenevinylenesiloxanes) compounds Poly(arylenevinylenesilicon) compounds and a process for their preparation, where ,w-dialkenylarylenevinylene is reacted with an organosilicon compound containing two Si-bonded hydrogen atoms, in the presence of a catalyst which promotes the additi... | 02/09/1993 |
| 4323678 | Process for the manufacture of diazinon The invention provides an improved process for the manufacture of the insecticide diazinon. The process uses ଲ-isobutyrylaminocrotonic acid amide as starting material and, by reaction with sodium hydroxide solution or alcoholate and phosphorylation ... | 04/06/1982 |