Quotables
"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7405313 | Method for the synthesis of basic chromium carboxylates A method for the synthesis of a chromium complex 2, [Cr3O(carboxylate)6(H2O)3]+ (2), wherein carboxylate is a substituted or unsubstituted C2-C5 alkyl carboxylate, is provided, including the step of: heat... | 07/29/2008 |
| 7309680 | Molybdenum-sulfur additives A process for making an additive comprising one or more oil-soluble or oil-dispersible molybdenum-sulfur compounds, said process comprising the steps of: (I) reacting in a polar medium a reactant molybdenum compound (A) and a sourc... | 12/18/2007 |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7045644 | Imidochromium compounds in catalyst systems for olefin polymerization The present invention relates to catalyst system containing at least one imidochrome compound and at least one activation compound. This invention also relates to imidochrome compounds, to a method for olefin polymerization and to methods for producing said imidochr... | 05/16/2006 |
| 7005521 | Catalytic compositions and methods for asymmetric allylic alkylation Complexes of a selected class of chiral ligands with molybdenum, tungsten or chromium, preferably molybdenum, are effective as catalysts in highly enantioselective and regioselective alkylation of allylic substrates. Such compositions provide a versatile and low-cos... | 02/28/2006 |
| 6548687 | Chromium L-threonate, process for preparation of the same and their use This invention involves a new kind of compound--the chromate L-threonate which molecular formula is Crn (C4 H8-n O5)3 (n=1, 2 or 3). The chromate L-thronate can be applied to a high performance supple... | 04/15/2003 |
| 6517795 | Process for producing hydrotalcites and the metal oxides thereof A process for producing high-purity hydrotalcites by reacting alcohols or alcohol mixtures with at least one or more divalent metal(s) and at least one or more trivalent metal(s) and hydrolyzing the resultant alcoholate mixture with water. The correspondi... | 02/11/2003 |
| 6515158 | Toner for developing electrostatic latent image, charge control agent for use in the toner, and process for preparing the charge control agent A toner for developing an electrostatic latent image is disclosed, which contains as a charge control agent a trivalent chromium salt of salicylic acid or a derivative thereof represented by the general formula: ##STR1## wherein R1, R2 | 02/04/2003 |
| 6433270 | Photoinduced molecular switches ORGANOMETALLIC COORDINATION complexes exhibiting two separate, stable forms are described. Conversion from one form to the other is intramolecular, reversible, light-activated (a molecular switch) and occurs both in the solid and in solution. The two form... | 08/13/2002 |
| 6261731 | Toner for developing electrostatic latent image A dry toner for developing an electrostatic latent image is disclosed, which contains as a charge control agent a trivalent chromium salt of salicylic acid or a derivative thereof represented by the general formula; ##STR1## wherein R1, R2... | 07/17/2001 |
| 6180764 | Process for producing hydrotalcites by hydrolyzing metal alcoholates A process for producing high-purity hydrotalcites by reacting alcohols or alcohol mixtures with at least one or more divalent metal(s) and at least one or more trivalent metal(s) and hydrolysing the resultant alcoholate mixture with water. The correspondi... | 01/30/2001 |
| 6110878 | Lubricant additives Oil-soluble or oil-dispersible trinuclear molybdenum-sulfur compounds are made by reacting less than three, such as 1.5 to 2.5, preferably two to 2.1, molar equivalents of a disulfide with one molar equivalent of a compound containing the [Mo3 ... | 08/29/2000 |
| 6093824 | Catalyst for the production of olefin polymers A catalyst composition for the polymerization of olefins is provided, comprising a bis(hydroxy aromatic nitrogen ligand) transition metal catalyst precursor and an activating cocatalyst.... | 07/25/2000 |
| 5998647 | Methane adsorbing-retaining agent and the use thereof in a method for gas storage A gas storage apparatus for use in storing a gas including methane as a main component thereof is disclosed. The apparatus includes an entrance/exit opening for allowing entrance or exit therethrough of a gas to be stored, a gas-tight maintaining mechanis... | 12/07/1999 |
| 5932190 | Multinuclear complexes for X-ray imaging An x-ray contrast medium containing a multinuclear complex of the formula (M6 (μ3 B)8 Av)x Lw, wherein M is Mo, W, Re Tc, V, Nb, Ta, Ru, or Fe; μ3 B represent a tridentate bridging ... | 08/03/1999 |
| 5862796 | Gas storage apparatus, gaseous fuel automobile using the gas storage apparatus, gas storage method and methane adsorbing-retaining agent A gas storage apparatus for use in storing a gas including methane as a main component thereof is disclosed. The apparatus includes an entrance/exit opening for allowing entrance or exit therethrough of a gas to be stored, a gas-tight maintaining mechanis... | 01/26/1999 |
| 5789610 | Adhesion-promoting agents incorporating polyvalent cations Materials and methods for preparing the surface of dentin, enamel, or other natural or industrial substrates containing or capable of binding metallic ions, for adhesion of composite materials or resins, are disclosed. Preferably, the substrate is treated... | 08/04/1998 |
| 5776424 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalen inorganic anions There is provided a method for making a monovalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite ... | 07/07/1998 |
| 5730951 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with polyvalent inorganic anions There is provided a method for making a polyvalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite ... | 03/24/1998 |
| 5728365 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with divalent inorganic anions There is provided a method for making a divalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free aqueous suspension to form a meixnerite inte... | 03/17/1998 |
| 5728366 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalent organic anions There is provided a method for making monovalent organic anion-intercalated hydrotalcite-like materials by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite inte... | 03/17/1998 |
| 5728363 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds There is provided an improved method for making synthetic hydrotalcite by first reacting powdered magnesium oxide with a high surface area, transition alumina in a solution or suspension to form a meixnerite-like intermediate. This intermediate is then co... | 03/17/1998 |
| 5728364 | Two powder synthesis of hydrotalcite and hydrotalcite like compounds There is provided an improved method for making synthetic hydrotalcite by first reacting a divalent metal compound with a trivalent metal oxide powder in a carboxylic acid-free, aqueous solution or suspension to form an intermediate. This intermediate is ... | 03/17/1998 |
| 5648508 | Crystalline metal-organic microporous materials Novel metal-organic microporous materials are prepared in solution using mild reaction conditions from a metal or metalloid ion with a ligand containing multidentate functional groups in the presence of a templating agent. The resultant microporous materi... | 07/15/1997 |
| 5629435 | Hydrogen sulfide gas sensor and precursor compounds for manufacture of same Tungsten carboxylate compounds useful for coating interdigitated electrodes used in hydrogen sulfide gas sensors are disclosed. A method of coating electrodes with the compounds using a precise solution casting technique such as spin-coating or casting, d... | 05/13/1997 |
| 5616312 | Thiol ligands and complexes for X-ray imaging The present invention provides new and structurally diverse compositions comprising compounds of the general formula: ##STR1## Wherein R1, R2, R3, R4, and R5 are the same or different and are --C... | 04/01/1997 |
| 5591878 | Catalyzed process for producing metal carboxylates for use as animal feed supplements A catalyzed process is disclosed for producing a polyvalent metal C2 -C3 carboxylate having the formula M(CH3 (CH2)x COO--)y, wherein M is the polyvalent metal cation that is man... | 01/07/1997 |
| 5583243 | Salts of alpha-hydroxy aliphatic carboxylic acids and uses thereof Novel salts are prepared wherein the cation of the salt is a divalent or trivalent cation which is an essential trace element comprising a 1:1 ratio of a complex ion formed between a trace mineral and methionine and any suitable anion, either inorganic or... | 12/10/1996 |
| 5578286 | Two powder synthesis of hydrotalcite-like compounds with divalent or polyvalent organic anions There is provided a method for making a divalent or polyvalent organic anion-intercalated hydrotalcite-like materials by first reacting a magnesium-containing powder and a transition alumina powder in an aqueous suspension to form a meixnerite intermediat... | 11/26/1996 |
| 5567411 | Dendritic amplifier molecules having multiple terminal active groups stemming from a benzyl core group Dendritic derivatives of 3,5-bis(aminomethyl)benzene and aminomethyl benzene core groups are disclosed. In each derivative, termed an "amplifier" because the dendritic structure on each molecule terminates with multiple termini to each of which an "active... | 10/22/1996 |
| 5482699 | Multinuclear complexes for x-ray imaging An imaging contrast medium comprising a physiologically tolerable multinuclear complex (as defined in claim 1) is disclosed. The multinuclear complex contains at least two, but preferably three or more contrast enhancing atoms. For X-ray or ultrasound ima... | 01/09/1996 |
| 5481039 | Compositions comprising 2,2',2"-nitrilotriethanol cyclometalates Compositions comprising a) a functional liquid or an internal combustion engine fuel and b) at least one compound of the general formula I ##STR1## wherein R1 is --(CH2 --X)n R, where X=--S-- or --O--, n=0 or 1 to 18 carbo... | 01/02/1996 |
| 5476644 | Cyclic triamine chelating agents The present invention provides compounds of the formula ##STR1## chelated with a paramagnetic metal ion wherein Z1 and Z2 each represent the atoms necessary to complete a monocyclic or polycyclic carbocyclic or heterocyclic ring system, said Z1 and Z... | 12/19/1995 |
| 5468891 | Molybdenum-containing friction-reducing additives The invention provides molybdenum-containing complexes prepared by reacting a carboxylic acid or metal salt thereof, an amine and a source of cationic molybdenum, wherein the ratio of the number of equivalents of acid groups to the number of moles of moly... | 11/21/1995 |
| 5457218 | Precursor and related method of forming for use in forming electrochromic coatings Electrochromic coating solutions are prepared by reacting a transition metal with a mixture of hydrogen peroxide and an organic acid. The resulting transition metal-peroxy acid product is esterified by reacting with lower carbon alcohols to produce a pero... | 10/10/1995 |
| 5412148 | Amplifier molecules derived from diethylene triaminepentaacetic acid for enhancement of diagnosis and therapy Disclosed are amplifier molecules: various organic compounds having branched structures terminating with amine groups to which pharmacologically active groups can be chemically attached. A number of MRI contrast-enhancing agents were synthesized, each com... | 05/02/1995 |
| 5385724 | Trifluoromethyl analogs of X-ray contrast media for magnetic resonance imaging Methods and compositions are disclosed for enhancing 19 F magnetic resonance imaging which utilize trifluoromethyl derivatives of iodinated X-ray contrast media. Typical magnetic resonance contrast media within the scope of the present inventio... | 01/31/1995 |
| 5384108 | Magnetic resonance imaging agents Novel magnetic resonance imaging agents comprise complexes of paramagnetic ions with hydrazide derivatives of polyaminocarboxylic acid chelating agents. The complexes are represented by the formula of: ##STR1## wherein A is --CHR2 --CHR | 01/24/1995 |
| 5328992 | Metal complexes of polyethylene glycol carbamate derivatives of desferrioxamine B Compounds of the formula ##STR1## in which R is alkyl having up to 4 carbon atoms, n has an average value of at least 9, X is a radical of the formula --C(.dbd.O)--(NH--SO2)m -- in which m is 0 or 1 and, if m is 1, the carh... | 07/12/1994 |
| 5326891 | Hydrophobicized double layer hydroxide compounds Novel hydrophobicized double-layer hydroxide compounds, processes for their production by reaction of double-layer hydroxides with aliphatic mono- and/or dicarboxylic acids, and their uses as alkoxylation catalysts for compounds containing active H atoms ... | 07/05/1994 |
