Celebrity Inventors
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 |
| 5859145 | Compositions having ethylenic backbone and benzylic, allylic, or ether-containing side-chains, oxygen scavenging compositions containing same, and process for making these compositions by esterification or transesterification of a polymer melt Disclosed is a process for esterifying and/or transesterifying a polymer having a polyethylenic backbone and pendant acid and/or ester moieties comprising contacting a melt of the polymer with a transesterifying compound so that the polymer undergoes este... | 01/12/1999 |
| 5837779 | Process for producing ionomers employing ethylene terpolymers A process for the production of an ionomers containing ethylenically-unsaturated structural units comprising contacting: (a) a terpolymer containing structural units produced from (i) at least one -olefin having from 2 to 8 carbon atoms; (ii) at least o... | 11/17/1998 |
| 5780698 | Olefin oligomerization catalyst and process employing and preparing same According to the present invention, a catalyst is provided which is represented by the formula RC(YR')2 !2 CrX, wherein R and R' are individually selected from the group consisting of carbyl and carbylsilyl groups; Y is N, C or P; ... | 07/14/1998 |
| 5741759 | Skeletally isomerized linear olefins The present invention relates to synthetic hydrocarbons produced by skeletal isomerization, and the isomerization process. The products are especially useful as the continuous phase of a drilling fluid, for example when prepared from C14 to C | 04/21/1998 |
| 5736616 | Compositions having ethylenic backbone and benzylic allylic or ether-containing side-chains oxygen scavenging compositions containing same and process for making these compositions by esterification or transesterification of a polymer melt Disclosed is a process for esterifying and/or transesterifying a polymer having a polyethylenic backbone and pendant acid and/or ester moieties comprising contacting a melt of the polymer with a transesterifying compound so that the polymer undergoes este... | 04/07/1998 |
| 5480948 | Olefin polymerization process In accordance with the present invention, there is provided a solid organoaluminoxy product prepared by reacting an organoaiuminoxane with an oxygen-containing compound selected from the group consisting of organic peroxide, alkylene oxide, or organic car... | 01/02/1996 |
| 5473020 | Polymer bound ligands, polymer bound metallocenes, catalyst systems, preparation, and use A polymer bound ligand represented by the formula QM(R)m and process for preparing same are provided, wherein Q is a polystyrene, M is Si, C, Ge, Sn, P, or N, each R is a that at least one R is a cyclopentadienyl-type compound, and m is 2 or 3,... | 12/05/1995 |
| 5459203 | Ethylene cone-shell polymer powders A catalyst system for the polymerization of alpha-olefins comprising a chromium-containing catalyst and an yttrium-containing catalyst wherein the yttrium-containing catalyst is represented by the formula (Cp2 YXx)y .multi... | 10/17/1995 |
| 5436298 | Block copolymers of monovinylarenes and conjugated dienes and preparation thereof A method for preparing resinous polymodal monovinylarene-conjugated diene block copolymers and polymers produced thereby are provided. The method comprises sequentially contacting under polymerization conditions: (a) a monovinylarene monomer and initiator; (b)... | 07/25/1995 |
| 5436212 | Organoaluminoxy product, preparation, and use In accordance with the present invention, there is provided a solid organoaluminoxy product prepared by reacting an organoaluminoxane with an oxygen-containing compound selected from the group consisting of organic peroxide, alkylene oxide, or organic car... | 07/25/1995 |
| 5422389 | Method for stabilizing monovinylarene/conjugated diene copolymers and a method for preparing a stabilizing mixture A process for stabilizing polymers is provided comprising: (1) contacting at least one hindered phenolic compound and an organic phosphite to form a stabilizing mixture, wherein said contacting is at a temperature sufficient to at least partially dissolve said... | 06/06/1995 |
| 5420320 | Method for preparing cyclopentadienyl-type ligands and metallocene compounds In accordance with the present invention there is provided a process for preparing a cyclopentadienyl-type ligand, the process comprises (1) reacting an alkali metal salt of a cyclopentadienyl-type compound and an aminofulvene compound to form a monoanion... | 05/30/1995 |
| 5416179 | Catalyst compositions and olefin polymerization A process for the polymerization of mono-1-olefins employing a catalyst composition comprising a metallocene compound and isobutene. The catalyst composition exhibits improved productivity. In a preferred embodiment an aluminoxane is employed as a cocatal... | 05/16/1995 |
| 5401816 | Transition metal catalyst, method of preparing catalyst, polymerization process employing catalyst, and polymer produced A polymerization catalyst system is provided comprising a catalyst and a cocatalyst, wherein the catalyst comprises a chromium compound and a transition metal compound, wherein said chromium compound is a cyclopentadienyl compound, wherein the transition ... | 03/28/1995 |
| 5399622 | System of chromium catalyst and yttrium catalyst, olefin polymerization process, and polymer A catalyst system for the polymerization of alpha-olefins comprising a chromium-containing catalyst and an yttrium-containing catalyst wherein the yttrium-containing catalyst is represented by the formula (Cp2 YXx)y.M.sub.z | 03/21/1995 |
| 5391659 | Polymerization process employing lanthanide halide catalyst and polymer produced A polymerization catalyst is formed by producing a solution of a halide of scandium, yttrium, or a rare earth metal and an alcohol; contacting the solution with an organometallic compound to form a soluble complex; and contacting the soluble complex with ... | 02/21/1995 |
| 5391619 | Poly(ethylene terephthalate) and monovinylarene/conjugated diene block copolymer blends A composition comprising a poly(ethylene terephthalate), a monovinylarene/conjugated diene block copolymer, and an organic peroxide is provided. A process for preparing the composition and articles prepared from the composition are also provided... | 02/21/1995 |
| 5384349 | Conjugated diene/monovinylarene copolymers and preparation thereof A block copolymer comprising about 5 weight percent to about 95 weight percent monovinylarene monomer, about 95 to about 5 weight percent butadiene, and an effective amount of a thermal stabilizing agent selected from the group consisting of ascorbic acid... | 01/24/1995 |
| 5350816 | Olefin polymerization process and polymer produced A polymerization catalyst system is formed by combining an organometal compound and a transition metal compound to produce a catalyst A; and combining catalyst A and a catalyst B comprising a rare earth complex having a formula Cpn MX4-n.M... | 09/27/1994 |
| 5350807 | Ethylene polymers A composition is provided, comprising (1) a narrow molecular weight distribution component having an Mw/Mn in the range of about 1.0 to about 2.0 and a weight average molecular weight in the range of about 500 to about 7,500 comprising an ethylene homopol... | 09/27/1994 |
| 5350724 | Polyolefin polymerization process, process of producing catalyst, and catalyst A process for preparing a polymerization catalyst useful for the polymerization of olefins is provided comprising contacting a magnesium compound and a transition metal halide to form a solid product; contacting the solid product with an organoaluminum ha... | 09/27/1994 |
| 5347026 | Fluorene compounds and methods for making A Process is disclosed comprising reacting an alkali metal salt of Z with MX4 to form a trihalo compound; reacting the trihalo compound with an alkali metal salt of Z' to form a dihalo compound; and reacting the dihalo compound with at least on... | 09/13/1994 |
| 5331069 | Method of treating poly(arylene sulfide sulfone) polymers and polymers Poly(arylene sulfide sulfone) polymers recovered from a reaction mixture produced by contacting at least one haloaromatic sulfone, at least one sulfur source, and a polar organic compound at polymerization conditions are treated with (1) a haloaromatic su... | 07/19/1994 |
| 5328980 | Method of preparing poly(arylene sulfide) polymers, polymers and polymer blends A process for preparing arylene sulfide polymers is provided, comprising contacting an initiator compound, a halothiophenol compound, an polar organic compound, and a base. Blends comprising the inventive polymers and polyamides or polyaramides provide im... | 07/12/1994 |
| 5322911 | Polymerization process employing metal halide catalyst and polymer produced A polymerization catalyst is formed by producing a solution of a Group IIA or Group IIB halide and an alcohol; contacting the solution with an organometallic compound to form a soluble complex; and contacting the soluble complex with a halide ion exchangi... | 06/21/1994 |
| 5310771 | Polyolefin stabilization Homopolymers and copolymers of 1-olefins are stabilized against the effects of ultraviolet light degradation by contacting a polyolefin, a hindered amine, and a metal phosphonate. Optionally the stabilizing system contains a phenolic antioxidant, an organ... | 05/10/1994 |
| 5304696 | Process for olefin isomerization A process for the double bond isomerization of olefinic compounds is provided comprising contacting an olefinic compound and a sulfated zirconia catalyst.... | 04/19/1994 |
| 5298574 | Poly(arylene sulfide ketone)/poly(arylene sulfide sulfone) block copolymers and preparation thereof A process is provided for preparing poly(arylene sulfide ketone)/poly(arylene sulfide sulfone) block copolymers comprising: contacting poly(arylene sulfide ketone) prepolymer, at least one dihaloaromatic sulfone, a sulfur source, and a polar organic compo... | 03/29/1994 |
| 5298573 | Poly(arylene sulfide sulfone)/poly(arylene sulfide ketone) block copolymers and preparation thereof A process is provided for preparing poly(arylene sulfide sulfone)/poly(arylene sulfide ketone) block copolymers comprising: contacting poly(arylene sulfide sulfone) prepolymer, at least one dihalobenzophenone, a sulfur source, and a polar organic compound... | 03/29/1994 |
| 5286819 | Polymerization process employing transition metal catalyst and polymer produced A polymerization catalyst is formed by contacting an alcohol with a transition metal compound. In a second embodiment, a solution is formed by contacting a Group IIA or Group IIB metal halide and an alcohol, the solution is then contacted with a transitio... | 02/15/1994 |
| 5286817 | Poly(arylene sulfide)/poly(arylene sulfide sulfone) block copolymers and preparation thereof A process is provided for preparing poly(arylene sulfide)/poly(arylene sulfide sulfone) block copolymer comprising: contacting poly(arylene sulfide) prepolymer, a dihaloaromatic sulfone, a sulfur source, and a polar organic compound under polymerization c... | 02/15/1994 |
| 5286694 | Lanthanide halide catalyst, method of producing the catalyst, and polymerization process employing the catalyst A polymerization catalyst is formed by producing a solution of a halide of scandium, yttrium, or a rare earth metal and an alcohol; contacting the solution with an organometallic compound to form a soluble complex; and contacting the soluble complex with ... | 02/15/1994 |
| 5280104 | Process for the preparation of poly(arylene sulfide) with low metal contamination and polymer produced A process for preparing poly(arylene sulfide) with reduced metal contamination is produced by contacting a dihaloaromatic compound, a sulfur source, a polar organic compound, and an alkali metal carboxylate in a reaction vessel wherein at least the liquid... | 01/18/1994 |
| 5276115 | Mono-1-olefin polymerization in the presence of hydrogen and a cyclopentadienyl compound A process for the polymerization of olefins in the presence of hydrogen comprising contacting the olefin, a cyclopentadienyl compound and a catalyst comprising a transition metal compound at polymerization conditions.... | 01/04/1994 |
| 5260244 | Transition metal/rare earth catalyst, olefin polymeration process, and polymer produced A polymerization catalyst system is formed by combining an organometal compound and a transition metal compound to produce a catalyst A; and combining catalyst A and a catalyst B comprising a rare earth complex having a formula Cpn MX4-n.M... | 11/09/1993 |
| 5258344 | Transition metal catalyst, method of producing the catalyst, polymerization process employing the catalyst, and polymer produced by the polymerization process A polymerization catalyst is formed by contacting an alcohol with a transition metal compound. In a second embodiment, a solution is formed by contacting a Group IIA or Group IIB metal halide and an alcohol, the solution is then contacted with a transitio... | 11/02/1993 |
| 5258343 | Metal halide catalyst, method of producing the catalyst, polymerization process employing the catalyst, and polymer produced by the polymerization process A polymerization catalyst system is formed by producing a solution of a halide of scandium, yttrium, or a rare earth metal and an alcohol; contacting the solution with a halide ion exchanging source to form a solid. The catalyst thus produced can be combi... | 11/02/1993 |
| 5254748 | Methyl-tertiary ether production A method for integrating several petroleum refining processes so as to efficiently produce tertiary alkyl ether compounds from a feed stream containing both saturated and unsaturated hydrocarbons is disclosed. An important step for forming isoolefins in t... | 10/19/1993 |
| 5235032 | Process for the preparation of poly(arylene sulfide) with low metal contamination Poly(arylene sulfide) with reduced metal contamination is produced in a two step process by contacting a dihaloaromatic compound, a sulphur source, an organic amide, alkali metal carboxylate and water in a reaction vessel wherein at least the liquid conta... | 08/10/1993 |
| 5235011 | Polyolefin polymerization process, method of producing catalyst, and catalyst A process for preparing a polymerization catalyst useful for the polymerization of olefins is provided comprising contacting a metal dihalide compound wherein the metal is selected from Group 2 and Group 12 of the Periodic Table and a transition metal com... | 08/10/1993 |
