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 |
| 7705187 | Production method of trihydrocarbylborane The present invention provides a method for industrial production of trihydrocarbylborane which method is excellent both in quality and in cost. The present invention is concerned with production of trihydrocarbylborane, comprising a reaction synthesizing the trihyd... | 04/27/2010 |
| 7332551 | Partially fluorinated naphthyl-based borates Non-coordinating anions or anion precursors are disclosed. These non-coordinating anions serve as the activator for olefin polymerization catalyst systems. As such, they abstract an alkyl leaving group from a metallocene catalyst precursor leaving an activated catal... | 02/19/2008 |
| 7321048 | Organometallic compound purification A method of purifying an organometallic compound by heating the organometallic compound in the presence of a trialkyl aluminum compound and a catalyst. ... | 01/22/2008 |
| 7122703 | Chemoselective ligation The present invention features a chemoselective ligation reaction that can be carried out under physiological conditions. In general, the invention involves condensation of a specifically engineered phosphine, which can provide for formation of an amide bond between... | 10/17/2006 |
| 6855848 | Process for preparing bisallylboranes and nonaromatic boronic acids A process for preparing bisallylboranes of the formula (I) by reacting a diene with sodium borohydride in the presence of an oxidant: in an inert solvent, with the borane generated in situ reacting selectively with the... | 02/15/2005 |
| 6806330 | Amine organoborane complex polymerization initiators and polymerizable compositions The invention is an amine-organoborane complex wherein the organoborane is a trialkyl borane and the amine is an amine having an amidine structural component; an aliphatic heterocycle having at least one nitrogen in the heterocyclic ring wherein the heterocyclic com... | 10/19/2004 |
| 6583305 | Ferrocene-based diphosphonites for asymmetrical catalysis The present invention relates to novel chiral 1,1'-ferrocenylene diphosphonites and the synthesis thereof, in addition to complexes of said compounds with metals from groups VIIb, VIIIb and Ib of the Periodic Table and to the use thereof for enantioselect... | 06/24/2003 |
| 6570040 | Chemoselective ligation The present invention features a chemoselective ligation reaction that can be carried out under physiological conditions. In general, the invention involves condensation of a specifically engineered phosphine, which can provide for formation of an amide b... | 05/27/2003 |
| 6268537 | Method of synthesis of lithium substituted borohydride reagents and method of synthesis of reactive lithium hydride A synthetic route for forming lithium trisubstituted borohydride compounds comprises the step of reacting a processed lithium hydride reactant with a trisubstituted borane wherein the reaction is maintained for a period of time in a temperature range of a... | 07/31/2001 |
| 6037388 | Dental or surgical adhesive and polymerization initiator composition for the same A polymerization initiator composition comprising 100 parts by weight of an organic boron compound (A) and 10 to 150 parts by weight of an aprotic solvent (B) having a boiling point of 30 to 150° C.; and a dental or surgical adhesive composition containi... | 03/14/2000 |
| 5998496 | Photosensitive intramolecular electron transfer compounds A compound of the general formula: A-L+ D- where A is a moiety which absorbs radiation and enters an excited state in which it accepts an electron; D- is a moiety which donates an electron to the excited state A and releases a... | 12/07/1999 |
| 5886229 | Method of synthesis of alkali metal trisubstituted borohydride reagents Synthetic routes for forming alkali metal substituted borohydride compounds include the step of reacting an alkali metal reagent, a hydrogen donor, and a substituted borane. The reactions proceed without the requirement of specialized handling of alkali m... | 03/23/1999 |
| 5734085 | Fluorinated phosphonium salts A compound having the formula: ##STR1## where A- is a counterion; R1, R2, R3, and R4, independently, comprise (a) a non-fluorinated alkyl, cycloalkyl, aryl, or aralkyl group; (b) an onium-contai... | 03/31/1998 |
| 5668192 | Onium borates/borates of organometallic complexes and cationic initiation of polymerization therewith Novel onium borates of an element of Groups 15 to 17 of the Periodic Table, or borates of an organometallic complex of an element of Groups 4 to 10 of the Periodic Table, well suited for the photochemical/electron beam cationic initiation of polymerizatio... | 09/16/1997 |
| 5585509 | Metallocene complexes having heterofunctional groups in the cyclopentadienyl system Metallocene complexes of the general formula I ##STR1## where the substituents Y, M, x, R1, R2, R3, R4, R6, R7, R8, and R9 are as described in the disclosure, and... | 12/17/1996 |
| 5473090 | Process for the preparation of trialkyl compounds of group 3a metals Process for the preparation of trialkyl compound of a Group 3a metal, in which a Group 3a metal is contacted with an alkyl halide in the presence of an alkali metal to obtain a trialkyl compound of the Group 3a metal and alkali-metal halide.... | 12/05/1995 |
| 5468902 | Onium borates/borates of organometallic complexes and cationic initiation of polymerization therewith Novel onium borates of an element of Groups 15 to 17 of the Periodic Table, or borates of an organometallic complex of an element of Groups 4 to 10 of the Periodic Table, well suited for the photochemical/electron beam cationic initiation of polymerizatio... | 11/21/1995 |
| 5367073 | Asymmetric synthesis of ଲ-amino alcohols from chiral or achiral enamines The present invention relates to a process for the synthesis of chiral enantiomerically pure ଲ-amino alcohols which are extraordinarily important as therapeutic agents for the treatment of a variety of human disorders and as chiral auxiliaries in or... | 11/22/1994 |
| 5284976 | Method of producing primary amines in high yields A novel process for producing hindered and unhindered primary amines represented by the formula RNH2 and R*NH2 in high yields from novel intermediates RBMe2 or R*BMe2 wherein R is an organo group, R* is a chiral... | 02/08/1994 |
| 5276195 | Process for producing dimethylorganoboranes A process for preparing a dimethylorganoborane represented by the formula R*BMe2 wherein R* is a chiral organyl group attached to the boron, B is boron and Me is methyl comprising treating a chiral boronic ester R*B(OR')2 with a meth... | 01/04/1994 |
| 5214209 | Method of producing primary amines in high yields and novel intermediates therefor A novel process for producing hindered and unhindered primary amines represented by the formula RNH2 and R*NH2 in high yields from novel intermediates RBMe2 or R*BMe2 wherein R is an organo group, R* is a chiral... | 05/25/1993 |
| 5210310 | Optically active dimethylorganoboranes A novel process for producing hindered and unhindered primary amines represented by the formula RNH2 and R*NH2 in high yields from novel intermediates RBMe2 or R*BMe2 wherein R is an organo group, R* is a chiral... | 05/11/1993 |
| 4847399 | Process for preparing or purifying Group III-A organometallic compounds Methods for forming or purifying organometallic compounds of elements of Group III-A of the Periodic Table. An intermediate compound is formed which is an adduct of the desired organometallic compound and a Group I-A or Group II-A compound. The adduct is ... | 07/11/1989 |
| 4713380 | Production of optically pure organoboranes A process for upgrading to essentially 100% enantiomeric excess the optical purity of an organoborane intermediate represented by the formulae: or wherein Icp is isopinocampheyl and R* is a unsubstituted or substituted, acyclic or cyclic alkyl having from 4 to... | 12/15/1987 |
| 4687867 | Metallotetradecadiene compounds Process for the production of the insect sex attractant, gossyplure, is provided. The process comprises first disproportionating 1,5-cyclooctadiene and 1-hexene to give 1,5,9-tetradecatriene, then metallating the triene to form a 1-metallo-5,9-tetradecadi... | 08/18/1987 |
| 4609498 | Preparation of gossyplure Process for the production of the insect sex attractant, gossyplure, is provided. The process comprises first disproportionating 1,5-cyclooctadiene and 1-hexene to give 1,5,9-tetradecatriene, then metallating the triene to form a 1-metallo-5,9-tetradecadi... | 09/02/1986 |
| 4376869 | Process for the preparation of triarylboranes Agglomeration of dispersions of an alkali metal in an organic liquid is reduced by adding at least about 2.5% of an aryl halide, e.g., chlorobenzene.... | 03/15/1983 |
| 4348300 | Stabilization of sodium dispersion Agglomeration of dispersions of an alkali metal in an organic liquid is reduced by adding at least about 2.5% of an aryl halide, e.g., chlorobenzene.... | 09/07/1982 |
| 4298750 | Borane-1,4-thioxane The novel borane-1,4-thioxane is synthesized by adding the calculated quantity of diborane to 1,4-thioxane. It is a stable liquid at 25° C. The neat liquid is approximately 8.0 M in borane. The product, in spite of the additional oxygen atom in the ring,... | 11/03/1981 |
| 3970683 | 11,15-Dihydroxy-9-oxoprost-13-ynoic acid 3-(Optionally oxygenated)-5-oxocyclopent-1-enealkanoic acids and their alkyl esters are allowed to react with appropriate alkenyl copper, alkenyl boron, alkynyl boron, alkynyl gallium or alkynyl aluminum compounds to produce the corresponding 2-(3-hydroxy... | 07/20/1976 |
