Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8003559 | Internal donor for olefin polymerization catalysts Disclosed are solid titanium catalyst components, catalyst systems containing solid titanium catalyst components, and methods of making solid titanium catalyst components. The solid titanium catalyst components contain an internal electron donor compound containing ... | 08/23/2011 |
| 7429548 | Soluble late transition metal catalysts for olefin oligomerizations III A This invention relates to a composition comprising a catecholate ligand, palladium or nickel, and an ancillary ligand with the following structure: where Pn is a Group-15 element; H is hydrogen; R7 and R8 ... | 09/30/2008 |
| 7410925 | Metal compound, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula BiL1r, a compound represented by the formula R1s-1TH, and a compound represented by the f... | 08/12/2008 |
| 7323525 | Process for the production of propylene copolymers Polymers of propylene with one or two olefin comonomers are produced through the use of a polymerization catalyst supported on a carrier produced by spray crystallization and having a maximum dimension of 55 μm. Copolymers of superior properties are obtained, and t... | 01/29/2008 |
| 7323605 | Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters The present invention provides a process for the double metal cyanide (DMC)-catalyzed production of low unsaturation polyethers from boron-containing starters. The polyethers produced by the inventive process may be reacted with one or more isocyanates to provide po... | 01/29/2008 |
| 7279594 | Thermoplastic composition, articles thereof, and method of making the articles A thermoplastic composition comprises greater than or equal to about 60 wt. % polycarbonate; and about 10 wt. % to about 40 wt. % of a polyimide; wherein weight percents are based on a total weight of the thermoplastic composition. ... | 10/09/2007 |
| 7276463 | Polymerization catalyst for α-olefins and process for production of α-olefin polymers therewith A catalyst having a high catalyst activity, which enables the production of an α-olefin polymer improved in stereoregularity by decreasing an amorphous component, and a production method for the α-olefin polymer, are developed. Described are a catalyst for polymer... | 10/02/2007 |
| 7241926 | Method for producing polyether alcohols A process for preparing polyether alcohols by addition of alkylene oxides onto H-functional starter substances in the presence of multimetal cyanide catalysts, wherein the multimetal cyanide catalysts are microporous and have a specific surface area of more than 100... | 07/10/2007 |
| 7223832 | Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto The present invention is directed to polyols prepared in the presence of double metal cyanide catalysts (“DMC”) which are prepared by combining i) at least one metal salt; ii) at least one metal cyanide salt; iii) at least one organic complexing ligand; iv) at l... | 05/29/2007 |
| 7223890 | Isocyanate reactive mixture and process for preparing same The present invention relates to an improved isocyanate reactive mixture containing at least one DMC-catalyzed polyol and about 0.25 to about 15 wt. %, based on the total weight of the isocyanate-reactive mixture, of at least one ethylene oxide (EO) containing water... | 05/29/2007 |
| 7211537 | Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer A modified aluminum oxy compound (A) obtained by reacting an aluminum oxy compound (a), water (b) and a compound having a hydroxyl group (c); a polymerization catalyst component comprising the modified aluminum oxy compound; a polymerization catalyst obtained by con... | 05/01/2007 |
| 7199071 | Catalyst component for polymerization of olefins, catalyst containing the component and use of the same The present invention relates to a catalyst component suitable for olefin (co)polymerization, which comprises an aluminoxane supported on magnesium halide and contains more than 5% by weight of aluminum. The catalyst component according to the present invention is o... | 04/03/2007 |
| 7145029 | Low corrosive integrated process for preparing dialkyl carbonates An integrated process for the production of a dialkyl carbonate and a diol from an alkylene oxide, carbon dioxide and an aliphatic monohydric alcohol is described in which an alkylene oxide is first reacted with carbon dioxide in the presence of a halogen-free carbo... | 12/05/2006 |
| 7119153 | Dual metallocene catalyst for producing film resins with good machine direction (MD) elmendorf tear strength This invention relates to catalyst compositions comprising a first metallocene compound, a second metallocene compound, at least one chemically-treated solid oxide, and at least one organoaluminum compound. This invention also relates to methods to prepare and use t... | 10/10/2006 |
| 7115770 | Use of tin derivatives as catalysts The invention concerns the use as catalyst for transforming carbamates of compounds corresponding to the general formula (I): —Sn (X) (X′) wherein: X′ is selected among chloride, bromide, iodide, thiocyanate radicals, sulphonate radicals, advantageously perflu... | 10/03/2006 |
| 7084292 | Integrated process for preparing dialkyl carbonates with a circulating catalyst An integrated process for the production of a dialkyl carbonate and a diol from an alkylene oxide, carbon dioxide and an aliphatic monohydric alcohol is described in which an alkylene oxide is first reacted with carbon dioxide in the presence of a homogeneous carbon... | 08/01/2006 |
| 7060750 | Moisture-curable, polyether urethanes and their use in sealant, adhesive and coating compositions An adhesive, sealant or coating composition that includes: a) 20 to 80% by weight, based on the weight of a), b), and c) of a polyether urethane containing two or more reactive silane groups and one or more polyether segments,... | 06/13/2006 |
| 7049265 | Organic anion catalyst system for foams Disclosed herein are compositions useful for introducing metal carboxylate salts as catalysts into systems useful for producing polyurethane and polyisocyanurate foams. The methods permit the introduction of such catalysts in the absence of substantial amounts of wa... | 05/23/2006 |
| 7049457 | Use of an ionic halide free copper catalyst for the production of dialkyl carbonates A non-corrosive process for the preparation of dialkyl carbonate by reacting carbon monoxide, alkanol and an oxygen-containing gas in the presence of a ionic halogen free copper catalyst. ... | 05/23/2006 |
| 7008897 | Metal compound, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula BiL1r, a compound represented by the formula R1s-1TH, and a compound represented by the f... | 03/07/2006 |
| 7008900 | Double metal cyanide catalysts for producing polyether polyols The invention provides new double metal cyanide (DMC) catalysts for preparing polyetherpolyols by the polyaddition of alkylene oxides to starter compounds which contain active hydrogen atoms, wherein the catalyst comprises a) double metal cyanide compounds, b) bile ... | 03/07/2006 |
| 7005552 | Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates The present invention relates to processes for preparing ethylene oxide (EO)-capped polyols in which removal of catalyst residues or salts formed by the neutralization of the basic catalyst is not required prior to discharging the polyol from the reactor because neu... | 02/28/2006 |
| 7001634 | Process for suppressing the foaming of an aqueous system The present invention relates to a process for suppressing the foaming of an aqueous system which involves combining water and at least one defoamer composition which has a hydroxyl equivalent molecular weight of at least 4000 Da and a cloud point less than or equal... | 02/21/2006 |
| 6946568 | Complexed compounds and use thereof for the polymerization of olefins Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb or Ta, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization proc... | 09/20/2005 |
| 6933400 | Complex compounds and their use in olefin polymerization Complexes of the formulae I a to d, where M is an element of groups 6 to 10 of the Periodic Table of the Elements, preferably Ni, can be used for the polymerization and copolymerization of olefins, for example in suspe... | 08/23/2005 |
| 6921800 | Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl A modified aluminum oxy compound (A) obtained by reacting an aluminum oxy compound (a), water (b) and a compound having a hydroxyl group (c); a polymerization catalyst component comprising the modified aluminum oxy compound; a polymerization catalyst obtained by con... | 07/26/2005 |
| 6921735 | Recyclable metathesis catalysts Highly active, recoverable and recyclable transition metal-based metathesis catalysts and their organometallic complexes including dendrimeric complexes are disclosed, including a Ru complex bearing a 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene and styrenyl ether li... | 07/26/2005 |
| 6919293 | Double metal cyanide catalysts for producing polyether polyols This invention relates to novel double metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides onto starter compound comprising active hydrogen atoms, wherein the catalyst contains a) double metal cyanide compounds, b... | 07/19/2005 |
| 6906153 | Dual-site olefin polymerization catalyst composition The invention provides a catalyst system (preferably a heterogeneous catalyst system) comprising: a transition metal bisphenolate catalyst (preferably a group 4 to 6 transition metal bisphenolate catalyst) and another olefin polymerization catalyst, and optionally a... | 06/14/2005 |
| 6900156 | Method for preparing metal cyanide catalysts using zero valent metals Metal cyanide catalyst dispersions in initiator compounds and/or polyether are prepared by reacting an acidic metal cyanide compound a zero valent metal in a medium that is a solvent for the acidic metal cyanide compound. The resulting catalyst slurry may be combine... | 05/31/2005 |
| 6900153 | Supported olefin polymerization catalysts A method for forming supported late transition metal olefin polymerization catalysts is described in which an already formed transition metal complex, usually containing a reactive functional group, is placed on a support containing a complementary reactive function... | 05/31/2005 |
| 6878662 | Polymerization catalyst system, polymerization process and polymer therefrom The invention provides olefin(s) polymerization catalyst compositions that include at least one tridentate ligand coordinated to the transition metal by one datively bonded heteroatom and two anionically bonded heteroatoms. ... | 04/12/2005 |
| 6867162 | Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto The present invention is directed to double metal cyanide catalysts (“DMC”) which are prepared by combining i) at least one metal salt; ii) at least one metal cyanide salt; iii) at least one organic complexing ligand; iv) at least one alkali metal salt; and, opt... | 03/15/2005 |
| 6864208 | Method for production of a solid catalyst for olefin polymerization A catalyst solid for olefin polymerization comprising A) at least one magnesium halide, B) at least one metallocene complex and C) at least one compound capable of forming metallocenium ions, ... | 03/08/2005 |
| 6861011 | Process for preparing methyllithium Methyllithium is prepared by reacting chloromethane with a dispersion lithium metal in an aromatic organic solvent with methyltetrahydrofuran. ... | 03/01/2005 |
| 6852664 | Double metal cyanide catalysts for the preparation of polyether polyols The present invention relates to novel double metal cyanide (DMC) catalysts for the preparation of polyether polyols by a polyaddition reaction between alkylene oxides and starter compounds having active hydrogen atoms, wherein the catalyst contains a) at least one ... | 02/08/2005 |
| 6835687 | Method for producing double metal cyanide (DMC) catalysts The invention provides an improved process for the preparation of double metal cyanide (DMC) catalysts for the preparation of polyether polyols by polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, in which aqueous solutions of... | 12/28/2004 |
| 6828396 | Solid catalyst component and catalyst for olefin polymerization, process for producing olefin polymer and process for producing solid catalyst component for olefin polymerization There are provided: (I) a solid catalyst component (A-1) for olefin polymerization, which is obtained by a process comprising the step of contacting: (a-1) a carrier of carboxyl group-carrying polymer p... | 12/07/2004 |
| 6815529 | Catalyst for producing aliphatic polycarbonate and the preparation thereof This invention relates to a catalyst for producing aliphatic polycarbonate, which is composed of a rare-earth coordination compound; an alkyl metal compound; a polyol; and a carbonate. The catalytic efficiency of the catalyst of the present invention is more than 8... | 11/09/2004 |
| 6809056 | Process for preparing polyolefin polymerization catalysts The present invention relates to a process for manufacturing polyolefin polymerization catalysts and provides a process for manufacturing polyolefin polymerization catalysts, wherein after manufacturing a homogeneous solution of magnesium compounds using magnesium c... | 10/26/2004 |