Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7851663 | Process for producing synthetic petroleum jelly A method for producing petroleum jelly from hydrocarbons. The method converts the hydrocarbon source into a synthesis gas. The synthesis gas is converted into at least a light-hydrocarbons stream and a heavy-hydrocarbons stream, which both include a plurality of par... | 12/14/2010 |
| 7404888 | Reducing metal corrosion of hydrocarbons using acidic fischer-tropsch products A process for reducing the metal corrosion of a hydrocarbonaceous liquid which causes corrosion as measured by NACE Standard TM0172-2001, said process comprising blending with the hydrocarbonaceous liquid at least 0.1 weight percent of an acidic Fischer-Tropsch prod... | 07/29/2008 |
| 7354979 | Polymer production at supercritical conditions This invention relates to a process to polymerize olefins comprising contacting, in a polymerization system, olefins having three or more carbon atoms with a catalyst compound, activator, optionally comonomer, and optionally diluent or solvent, at a temperature abov... | 04/08/2008 |
| 7319125 | Supercritical polymerization process and polymers produced therefrom This invention relates to a process to produce propylene polymers comprising contacting a metallocene catalyst compound and an activator in a reaction medium comprising propylene, from 0 to 30 volume % of one or more solvents and from 0 to 30 mole % of one or more c... | 01/15/2008 |
| 7226502 | High softening temperature synthetic alkylsilicone wax A method for making high softening point linear and cyclic alkylsilicone waxes includes reacting a C30+ alpha olefin wax with a silicone hydride polymer in the presence of a catalyst. The high softening point linear and cyclic alkylsilicone waxes have softening poin... | 06/05/2007 |
| 7192909 | Use of polyolefin waxes in the field of plastics processing The invention relates to the use of polyolefin waxes as external lubricants and release agents for plastics. Said polyolefin waxes are produced by using metallocene catalysts, whereby the polyolefin waxes are homopolymerizates of ethylene or are copolymerizates of e... | 03/20/2007 |
| 7176262 | Hydrogenated vinyl-polybutadienes The hydrogenated vinyl-polybutadienes according to the present invention have degrees of hydrogenation of from 20 to 100%, Mooney viscosities in the range of from 10 to 150 Mooney units (ML 1+4/100° C.), glass transition temperatures (Tg) of ≦−57° C... | 02/13/2007 |
| 7101939 | Ethylene/α-olefin copolymer made with a non-single-site/single-site catalyst combination, its preparation and use An ethylene/α-olefin copolymer comprising a component produced by a non-single-site polymerization catalyst and a component produced by a single-site polymerization catalyst, its preparation and use are described. The copolymer has an α-olefin content of 5 to 20 p... | 09/05/2006 |
| 7087668 | Dispersion of pigments in polyolefins The invention is directed to a polymer and pigment composition utilizing a polyolefin wax produced by metallocene catalysis as a pigment dispersing auxiliary. ... | 08/08/2006 |
| 7008898 | Method for producing a poly-1-olefin in the presence of a ziegler catalyst The invention relates to a method for producing a poly-1-olefin by polymerisation of a 1-olefin of the formula R4CH═CH2, in which R4 is hydrogen or an alkyl radical having from 1 to 10 carbon atoms, in suspension, in solution or in... | 03/07/2006 |
| 7005224 | Polyolefin waxes modified to make them polar in photocopier toners The present invention relates to the use of polyolefin waxes which have been prepared by means of metallocene catalysts and have been modified to make them polar in photocopier toners and also to photocopier toners comprising such polyolefin waxes modified to make t... | 02/28/2006 |
| 6858765 | Polyolefin wax for coating materials and printing ink composition A polyolefin wax for a coating material which includes an ethylene (co)polymer having a number-average molecular weight within the range of from 400 to 5000 as measured by gel permeation chromatography. The polyolefin wax has a volume average particle diameter in th... | 02/22/2005 |
| 6815571 | Method for producing ethylene polymers in a high-pressure process A process for preparing ethylene polymers by the high-pressure method comprises dissolving one or more free-radical initiators in one or more ketones of the formula I where R1 and R2 are identical... | 11/09/2004 |
| 6713438 | High performance engine oil High performance engine oils and other liquid lubricants comprise a liquid lubricant basestock of low viscosity from 1.5 to 12 cSt (100C) with two dissolved polymer components of differing molecular weights. The basestock is preferably a single PAO or blend of PAOs ... | 03/30/2004 |
| 6695965 | Process for adjusting the hardness of Fischer-Tropsch wax by blending A wax blending process is disclosed which retains the desirable properties of a Fischer-Tropsch wax, while adjusting the hardness of the wax to within to a desired range. The invention utilizes a synergistic effect between hard virgin Fischer-Tropsch wax ... | 02/24/2004 |
| 6335410 | Ultra-low molecular weight ethylene polymers The subject invention pertains to a non-pourable homogeneous ultra-low molecular weight ethylene polymer composition and a process for the preparation thereof Such polymer compositions have longer lamella and a greater degree of crystalline organization t... | 01/01/2002 |
| 6294076 | Fischer-Tropsch wax and hydrocarbon mixtures for transport (law938) The invention is a process for producing a mixture of Fischer-Tropsch product that is solid at ambient conditions (between 32° F. and 95° F.), such as wax, and hydrocarbon liquid, such as naphtha, that can be pumped at ambient temperature (between 32° ... | 09/25/2001 |
| 6268401 | Fischer-tropsch wax and crude oil mixtures having a high wax content The invention is a process for producing a mixture of wax and crude oil which can be pumped at ambient temperature. The wax is preferably a Fisher-Tropsch wax. The temperature of the crude oil is controlled to a level below the dissolution temperature of ... | 07/31/2001 |
| 6227285 | Heat storage medium A heat storage medium such as paraffin for a latent heat accumulator (cold accumulator), which solidifies while forming crystal structures. In order to achieve improved responsiveness on heat input, the crystal structures are modified by a structure addit... | 05/08/2001 |
| 6187065 | Additives and oil compositions A class of waxes improves the low temperature flow properties of oils.... | 02/13/2001 |
| 6133490 | Dispersant for pigments for aromatic polymers A dispersant for pigments for aromatic polymers, which is superior not only in the ability of dispersing pigments in aromatic polymers but also in attaining high transparency and stability of the resulting color, while avoiding grafting step and attaining... | 10/17/2000 |
| 6107530 | Use of polyolefin waxes in solvent pastes The present invention relates to the use of polyolefin waxes synthesized by means of metallocene catalysts for the preparation of solvent-containing pastes. The pastes prepared in this way have a significantly higher paste hardness and an improved heat st... | 08/22/2000 |
| 6080902 | Method of using polyolefin waxes The present invention relates to a method of using polyolefin waxes prepared by means of metallocene catalysts as additive components in printing inks and surface coatings.... | 06/27/2000 |
| 5962719 | Process for the preparation of a polyolefin wax A process for the preparation of a polyolefin wax If a catalyst consisting of an aluminoxane and a metal-locene of the formula I ##STR1## in particular R5 R6 C (Ind)2 or R5 R6 C (Ind)2... | 10/05/1999 |
| 5917100 | Process for producing low molecular-weight poly-1-olefins A catalyst formed by the reaction of a magnesium alkoxide dispersion having a particle size of from 100 to 3000 nm with a compound of a metal selected from the group comprising titanium, zirconium, vanadium and chromium and then with a chlorine-containing... | 06/29/1999 |
| 5817897 | Wax-like substance for use as a durable marking composition or in producing shaped articles for molding A wax-like substance mainly consisting of a saturated chain hydrocarbon, in which a weight ratio (C/H) of carbon and hydrogen is 5.839-6.018, a total weight % of the carbon and the hydrogen is 98.5%-100%, a number-average molecular weight (Mn) is 3.0×10 | 10/06/1998 |
| 5800604 | Wax The invention relates to a novel wax and also to a process for preparing the wax which can be chemically modified in a simple, flexibly adaptable, inexpensive and environmentally friendly way. For this purpose, it is provided for the untreated waxes to be... | 09/01/1998 |
| 5723705 | Process for the preparation of polyolefin waxes in the presence of a metallocene catalyst and a co-catalyst A process for the preparation of a polyolefin wax by polymerization or co-polymerization of olefines or diolefins at a temperature of -40° to 100° C. at a pressure of 0.5 to 120 bar, in suspension and in the presence of a metallocene catalyst and a co-c... | 03/03/1998 |
| 5169914 | Uniform molecular weight polymers A method for producing polymers with narrow molecular weight distribution which involves combining (1) an initiator component of the formula ##STR1## in which R1, R2, and R3 are alkyl, aryl, or aralkyl groups, and can... | 12/08/1992 |
| 5081322 | Polypropylene wax and process for the production thereof Polyolefin waxes are obtained in high yield by copolymerizing propylene with small amounts of other olefins in the presence of a catalyst composed of a metallocene of the formula I: ##STR1## and an alumoxane. The waxes are produced as compact, spheri... | 01/14/1992 |
| 5023388 | Polyethylene wax, and a process for the preparation thereof Polyethylene waxes having a very narrow molecular weight distribution, high isotacticity, a narrow grain size distribution and a high bulk density are obtained by means of a catalyst comprising a metallocene and an aluminoxane, in the presence of small am... | 06/11/1991 |
| 5023134 | Polypropylene-coated microwaveable waxed paper A wrapping material comprising a paper-based substrate and a coating comprising a polypropylene-based wax having a molecular weight between approximately 1000 to 3000 provided on the substrate for heating and storage of articles of consumption.... | 06/11/1991 |
| 5019537 | Forming aids for ceramic materials, ceramic bodies formed by using the aids, and process of producing ceramic products A forming aid to be mixed in a ceramic material for forming the ceramic material into a formed ceramic body of a desired shape, including at least one of a thermoplastic resin and a wax, and a mineral oil in an amount of 30-95% by volume with respect to a... | 05/28/1991 |
| 4962262 | 1-Olefin polymer wax, and a process for the preparation thereof 1-Olefin polymer waxes having a very narrow molecular weight distribution, high isotacticity, a narrow grain size distribution and a high bulk density are obtained by means of a catalyst comprising a chiral, stereorigid metallocene compound and an alumino... | 10/09/1990 |
| 4923624 | Lubricating composition on pocket-sized support, suitable to be smeared on sliding surfaces Lubricating composition on the basis of waxy substances supported by means able to allow it to be applied by rubbing onto the bases of skis and the like, constituted by a blend formed by at least one hydrocarbon wax (ski-wax) dissolved in at least one sol... | 05/08/1990 |
| 4820876 | Polyethylene wax Synthetic polyethylene wax having low molecular weight of 250 to 3000 and a density of 0.930 to 0.950 is prepared in a high pressure process at pressures of at least 800 bar using a carbonyl compound such as acetaldehyde as chain transfer agent. The resul... | 04/11/1989 |
| 4818250 | Process for producing fuel from plant sources and fuel blends containing same A plant source fuel is disclosed per se and as a blend constituent for conventional petroleum fuels along with a process for producing same. Limonene obtained from citrus and other plants when distilled and treated to avoid formation of gums is blendable ... | 04/04/1989 |
| 4788361 | Polymeric viscosity index improver and oil composition comprising the same A triblock copolymer VI improver comprising terminal hydrogenated polyisoprene blocks and a central polymeric block containing predominantly monoalkenyl aromatic hydrocarbon monomer units. Oil compositions comprising such triblock copolymer VI improvers e... | 11/29/1988 |
| 4698450 | Polyethylene wax Synthetic polyethylene wax having low molecular weight of 250 to 3000 and a density of 0.930 to 0.950 is prepared in a high pressure process at pressures of at least 800 bar using a carbonyl compound such as acetaldehyde as chain transfer agent. The resul... | 10/06/1987 |
| 4687587 | Metal forming lubricant A lubricant for metal forming comprises a dispersion of particles of a waxy material in a solution or dispersion in a volatile liquid medium of a monomeric organic carrier which is a solid or a viscous liquid at ambient temperature. The particles may be 5... | 08/18/1987 |
