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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7402271 | Castable liquid rubber compositions for golf balls A golf ball comprising a layer made from a liquid rubber composition is disclosed. A castable liquid polybutadiene is the preferred principal rubber component. The molecular weight of the castable liquid polybutadiene is at least about 1,000 and the castable liquid ... | 07/22/2008 |
| 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 |
| 7241847 | Process for producing cycloolefin addition polymer A process for producing a cycloolefin addition polymer in which one or more cycloolefin monomers can be (co)polymerized by addition polymerization with a small palladium catalyst amount to produce a cycloolefin addition (co)polymer while attaining high catalytic act... | 07/10/2007 |
| 7238819 | Process for preparing isobutylene-based polymers This invention relates to a metal organic compound, a catalytic composition comprising said metal organic compound, a process for homo- or co-polymerizing isoolefines in the presence of said metal organic compound and a method of stabilizing a compound of the genera... | 07/03/2007 |
| 7238745 | Aqueous polyurethane/urea dispersions containing alkoxysilane groups Polyurethane/ureas including hydrophilic moieties and alkoxysilane groups of formula (I) —X—CO—NR2—Y—Si—(Z)3 (I) where X is O or NR2; R2 is H, C1-C6 alkyl, substi... | 07/03/2007 |
| 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 |
| 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 |
| 7148302 | Catalyst for polymerization of norbornene This invention is based upon the discovery that a catalyst system which is comprised of (a) palladium or a palladium compound and (b) a fluorinated alcohol is effective for polymerizing norbornene-functional monomers into polynorbornene-functional polymers. It has b... | 12/12/2006 |
| 7064096 | Dual catalyst on a single support Bimodal polyolefins having a reverse or partial reversed comonomer incorporation may be prepared in the presence of a dual catalyst on the same support wherein each catalyst has a different response to temperature, ethylene partial pressures, partial pressure of non... | 06/20/2006 |
| 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 |
| 7041758 | Catalyst complexes for polymerization and co-polymerization of cyclic olefins A process for polymerizing and copolymerizing cyclic olefins, such as, norbornene is disclosed. The disclosed process uses a catalyst complex that exhibit a high activity for the polymerization and co-polymerization of cyclic olefins and improved stability toward he... | 05/09/2006 |
| 7022884 | Preparation of polyetherpolyols in the presence of a multimetal cyanide complex catalyst Polyetherpolyols are prepared by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst by a process which is carried out in a vertical, highly cylindrical reactor ... | 04/04/2006 |
| 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 |
| 6897272 | α-olefins and olefin polymers and processes therefor Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and ... | 05/24/2005 |
| 6853472 | Electrolytes for electrooptic devices comprising ionic liquids Electrolyte solutions of soluble bifunctional redox dyes in molten salt solvent may be used to prepare electrooptic devices with enhanced stability toward ultraviolet radiation. The solvents include lithium or quaternary ammonium cations, and perfluorinated sulfonyl... | 02/08/2005 |
| 6806220 | High activity carbenium-activated polymerization catalysts This application discloses triphenyl carbenium NCA's as catalyst activators for a class of asymmetrically bridged hafnocene catalyst precursors. These catalyst precursors are activated into olefin polymerization catalysts and are suitable for gas, solution, and slur... | 10/19/2004 |
| 6726906 | Fat-binding polymers The present invention relates to a method for treating obesity, a method for reducing the absorption of dietary fat, and a method for treating hypertriglyceridemia in a patient and to particular polymers for use in the methods or in a manufacture of a medicament. Th... | 04/27/2004 |
| 6630551 | Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst A catalyst which comprises a compound of a transition metal in Groups 8 to 10 of the Periodic Table having a nitrogenous tridentate ligand, a clay, clay minteral, or lamellar ion-exchanging compound, an organosilane compound, and organoaluminum compound, ... | 10/07/2003 |
| 6620899 | Polymers, containing a fluorocyclobutyl ring and their preparation This invention pertains to olefins having a terminally disposed fluorocyclobutyl ring bearing a sulfonyl, sulfonic acid or sulfonate salt, a process for the production thereof, and polymers, especially ionomers, formed therefrom. The invention further per... | 09/16/2003 |
| 6486088 | High activity carbenium-activated polymerization catalysts This application discloses triphenyl carbenium NCA's as catalyst activators for a class of asymmetrically bridged hafnocene catalyst precursors. These catalsyst precursors are activated into olefin polymerization catalysts and are suitable for gas, soluti... | 11/26/2002 |
| 6479601 | Transition metal catalysts for diene polymerizations This invention is based upon the unexpected discovery that certain catalyst systems which are comprised of (A) a transition metal compound selected from the group consisting of iron (II) compounds, iron (III) compounds, cobalt (II) compounds, cobalt (III)... | 11/12/2002 |
| 6462155 | Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst The invention provides a catalyst comprising a transition metal compound which has a nitrogen-containing tridentate ligand and of which the transition metal is of Groups 8 to 10 of the Periodic Table, and an organoaluminium compound, the catalyst of the i... | 10/08/2002 |
| 6358877 | Metal catalysts complexed with sulfone or sulfoxide compounds Metal cyanide catalysts are complexed with organic sulfone or sulfoxide compounds. The catalysts are active alkylene oxide polymerization catalysts that tend to have short induction periods and moderate exotherms.... | 03/19/2002 |
| 6310150 | Supported olefin polymerization catalysts Supported heterometallocene catalysts wherein the support is a particulate polymeric material are provided. The catalysts have a transition metal complex containing at least one anionic, polymerization stable heteroatomic ligand associated with the transi... | 10/30/2001 |
| 6303724 | Polycyclic copolymer compositions Copolymers containing repeating units polymerized from at least one polycyclic monomer and at least one acrylic monomer are disclosed. The copolymer is formed by addition polymerization in the presence of a Group VIII transition metal catalyst. The copoly... | 10/16/2001 |
| 6187882 | Process for polymerization of olefins The invention relates to a process for the polymerization of olefins, which comprises polymerizing an olefin or mixture thereof in presence of a solvent, a supported metallocene and an aluminoxane as cocatalyst in a hydrocarbon medium, at a temperature in... | 02/13/2001 |
| 5955555 | Polymerization of ethylene Ethylene may be polymerized by contacting it with certain iron or cobalt complexes of selected 2,6-pyridinecarboxaldehydebis(imines) and 2,6-diacylpyridinebis(imines). The polymers produced are useful as molding resins. Novel 2,6-pyridinecarboxaldehydebis... | 09/21/1999 |
| 5942461 | Polymerizable compositions comprising alpha-olefin hydrocarbon monomers and methods of use therefor A polymerizable composition comprises an alpha-olefin hydrocarbon monomer, an effective amount of an organometallic catalyst of a Group VIII metal, preferably Ni or Pd, and at least one of water and air. Novel catalysts for polymerizing alpha-olefin hydro... | 08/24/1999 |
| 5869583 | Process for the controlled polymerization or copolymerization of (meth)acrylic and vinyl monomers and products thus obtained The process for the controlled radical (co)polymerization of (meth)acrylic and/or vinyl monomers is characterized in that the bulk, solution, emulsion or suspension polymerization or copolymerization is carried out, at a temperature at which can fall to 0... | 02/09/1999 |
| 5866663 | Processes of polymerizing olefins Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal comp... | 02/02/1999 |
| 5780563 | Supported lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support havin... | 07/14/1998 |
| 5726263 | Molecular weight truncation and color control in macromonomers Macromonomers formed by chain transfer catalysis polymerization methods may be decolorized by selective extraction and/or adsorption. The dimers and trimers formed during the polymerization reaction are also removed from the macromonomer mixture so that t... | 03/10/1998 |
| 5677405 | Homopolymers and copolymers of cationically polymerizable monomers and method of their preparation The invention discloses methods of preparing copolymers from norbornene-type monomers and cationically polymerizable monomers or polymers from catalytically polymerizable monomers by employing Group VIII transition metal ion source in a solvent for said m... | 10/14/1997 |
| 5602067 | Process and a catalyst for preventing reactor fouling A support containing methylalumoxane and derivatives thereof is described which is formed by an incipient impregnation technique. The most preferred support is silica. Incipient impregnation in accordance with the invention provides a supported alumoxane,... | 02/11/1997 |
| 5483014 | Catalysts, method of preparing these catalysts, and polymerization processes wherein these catalysts are used A polymerization process for olefins, diolefins and/or acetylenically unsaturated monomers is described. The monomers are contacted with an ionic catalyst which comprises a cyclopentadienyl derivative of Group IV-B metals as cation and a compatible non-co... | 01/09/1996 |
| 5470926 | Process of polymerizing olefins in the presence of a chromium-containing catalyst Novel chromium-containing compounds, such as, for example, chromium pyrrolides, are prepared by forming a mixture of a chromium salt, a metal amide, and an electron pair donor solvent:, such as, for example, an ether. These novel chromium-containing, or c... | 11/28/1995 |
| 5461128 | Process for producing a styrenic polymer There are disclosed a catalyst which comprises (A) a titanium compound having one π electron-based ligand (e.g. pentamethylcyclopentadienyl group) or two same π electron-based lignads and (B) an ionic compound comprising a non-coordinate anion and a cat... | 10/24/1995 |
| 5407884 | Catalysts, method of preparing these catalysts, and polymerization processes wherein these catalysts are used An ionic catalyst useful for the polymerization of olefins, diolefins and/or acetylenically unsaturated monomers is described. The catalyst comprises cyclopentadienyl derivatives of Group IV-B metals as cation and a compatible non-coordinating anion conta... | 04/18/1995 |
| 5278119 | Catalysts, method of preparing these catalysts, and polymerization processes wherein these catalysts are used The present invention relates to catalysts, to a method for preparing such catalysts, to a method of using such catalysts and to polymeric products produced with such catalysts. The catalysts are particularly useful in the polymerization of - olefins, dio... | 01/11/1994 |
