Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7345017 | Functional substances derived from oligoolefins having functional groups at the ends An amphiphilic functional substance with lipophilicity, affinity for supercritical CO2, and if necessary hydrophilicity comprising an oligoolefin chain and a perfluoroalkyl group(s) at a single end thereof or at both ends thereof with or without the inter... | 03/18/2008 |
| 7102046 | Process for the arylation of olefins The present invention relates to a process for the arylation of olefins by reaction of haloaromatics or arylsulfonates with olefins in the presence of a palladium catalyst, a bulky nitrogen base and a salt. ... | 09/05/2006 |
| 7057082 | Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein Process for the telomerization of a conjugated diene, wherein the conjugated diene is reacted with a compound containing an active hydrogen atom and having a formula R′—H in the presence of a telomerization catalyst based on: (a) a so... | 06/06/2006 |
| 6699813 | Lanthanide-based catalyst composition for the manufacture of polydienes A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an lanthanide compound, (b) an alkylating agent, (c) a nickel-containing compound, and optionally (d) a halogen-containing compound, with the proviso t... | 03/02/2004 |
| 6613921 | Polycyclic, fused ring compounds, metal complexes and polymerization process Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring othe... | 09/02/2003 |
| 6593505 | Catalyst of mixed fluorosulfonic acids A catalyst comprising A) a stationary acid component selected from the group consisting of a perfluorinated ion exchange polymer on an inert support, a silane modified perfluorosulfonic acid, and a sulfated metal oxide; and B) a mobile acid component sele... | 07/15/2003 |
| 6583260 | Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation Functionalized monomers and polymerized functionalized monomers selected from the group consisting of 2-(N,N-dimethylaminomethyl)-1,3-butadiene, 2-(N,N-diethylaminomethyl)-1,3-butadiene, 2-(N,N-di-n-propylaminomethyl)-1,3-butadiene, 2-(cyanomethyl)-1... | 06/24/2003 |
| 6433237 | Iron-based catalyst composition for producing oligomers of conjugated dienes A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) (i) a halogen-containing iron compound or (ii) an iron-containing compound and a halogen-containing compound, (b) a silyl phosphonate, and (c) an organ... | 08/13/2002 |
| 6344538 | Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation Functionalized monomers and polymerized functionalized monomers selected from the group consisting of 2-(N,N-dimethylaminomethyl)-1,3-butadiene, 2-(N,N-diethylaminomethyl)-1,3-butadiene, 2-(N,N-di-n-propylaminomethyl)-1,3-butadiene, 2-(cyanomethyl)-1... | 02/05/2002 |
| 6177603 | Organo zinc and rare earth catalyst system in the polymerization of conjugated dienes The instant invention provides a process for substantially reducing the polymer cement viscosity or reducing the molecular weight distribution of the a conjugated diene polymer synthesized by using a charge of catalytically effective amounts of a rare ear... | 01/23/2001 |
| 6153772 | Process for the codimerization of polyunsaturated fatty substances and olefins A cobalt catalytic system that makes it possible to obtain branched compounds from fatty substances by reacting simple olefins on polyunsaturated esters, which may or may not be conjugated, is described. The compounds that are obtained may be hydrogenated and ... | 11/28/2000 |
| 6100373 | Functionalized diene monomers and polymers containing functionalized dienes and methods for their preparation Functionalized diene monomers and polymerized functionalized diene monomers including 2-cyanomethyl-1,3-butadiene, 2-acetoxymethyl-buta-1,3-diene, dimethyl-(2-methylene-but-3-enyl)-amine, 2-dimethylaminomethyl-1,3-butadiene, 2-di-n-propylaminomethyl-... | 08/08/2000 |
| 6017849 | Synthesis methods, complexes and delivery methods for the safe and convenient storage, transport and application of compounds for inhibiting the ethylene response in plants The present invention generally relates to the regulation of plant physiology, in particular to methods for inhibiting the ethylene response in plants or plant products, and has three embodiments. The first embodiment relates to methods of minimizing impu... | 01/25/2000 |
| 5990367 | Process for oligomer production and saturation A process for the production of C8 and higher olefins by the oligomerization of light olefins to heavier olefins is improved by the addition of heavy paraffins to the oligomerization zone. The recycle of the heavy paraffins extends the catalyst... | 11/23/1999 |
| 5877375 | Production of monoolefin oligomer A monoolefin oligomerization process which gives high yields of dimer and trimer at high monoolefin conversions in a single stage reaction is described. The process involves contacting a C6-20 vinyl olefin with a catalyst comprising boron trifl... | 03/02/1999 |
| 5849970 | Materials and methods for the bacterial production of isoprene A process for the bacterial production of the hydrocarbon isoprene (2-methyl-1,3-butadiene) is described and claimed. Various bacterial species, both Gram-negative and Gram-positive, were found to produce isoprene, and a method to isolate isoprene-produci... | 12/15/1998 |
| 5744675 | Process for preparing an oligomer mixture from ,ω-diolefines and mixture prepard. The process of the invention, using a plurality of passes, divides the crude product of each pass into a part which contains tetramers and higher oligomers and represents the desired product of a pass and at least one further part which contains the major... | 04/28/1998 |
| 5698751 | Branched polyene compounds and production thereof A branched polyene compound represented by the formula ##STR1## wherein f is an integer of 1-5; R1 and R2 represent hydrogen atoms or alkyl groups of 1-5 carbons; R3 represents a hydrogen atom or an alkyl group of 1-5... | 12/16/1997 |
| 5686371 | Conjugated diene polymerisation A process for the polymerization of one or more conjugated dienes by means of a rare earth based catalyst in which the catalyst is formed by bringing together in liquid hydrocarbon medium in the presence of a small portion of conjugated diene: a) a rare e... | 11/11/1997 |
| 5476956 | Process for codimerization of dienes and olefins Co dimerization is conducted of at least one monoolefin, for example a monoolefinic hydrocarbon such as ethylene, propylene or 1-butene, a halogenated monoolefin such as vinyl chloride, or an olefinic functional compound such as methyl acrylate, acrylonit... | 12/19/1995 |
| 5446222 | Oligomers of cyclopentadiene and process for making them The invention provides a two-step process for converting cyclopentadiene dimer to a high density fuel mixture comprising the steps of: (a) reacting said cyclopentadiene dimer in the presence of a solid catalyst comprising a porous crystalline material having a... | 08/29/1995 |
| 5403904 | Process for preparation of telechelic difunctional unsaturated oligomers or polymers by acyclic olefin metathesis A process is disclosed for preparation of telechelic difunctional unsaturated oligomers and polymers having at least one internal carbon-to-carbon double bond wherein the functional groups are terminal reactive groups. The reactants are acyclic polyenes w... | 04/04/1995 |
| 5334678 | Both ends-modified olefin polymers and processes for the production thereof Polymers of olefins such as ethylene and propylene, having functional groups introduced into both the ends thereof, can be provided which are useful as macromonomers for polycondensation. This new polymer comprises a recurring unit represented by the gene... | 08/02/1994 |
| 5306856 | Method of manufacturing methylidene-group-containing ,ω-unsaturated oligomers from ,ω-diolefins in the presence of organoaluminum compounds as catalysts A method of manufacturing methylidene-group-containing ,ω-unsaturated oligomers from ,ω-diolefins in the presence of a catalytic amount of organoaluminum compounds, wherein the ,ω-diolefins are reacted in the liquid phase, at ... | 04/26/1994 |
| 5300716 | Process for the preparation of polyunsaturated olefins A process for the preparation of a polyunsaturated olefinic compound, i.e. undeca-1,3,5-triene, in its (3E,5Z) isomeric form, consisting of four consecutive steps starting from deca-1,4-diyne, is disclosed. Said process has the advantage of making it possible ... | 04/05/1994 |
| 5276228 | Liquid bisarylcyclobutene monomers and polymers This invention is directed to a class of arylcyclobutene monomers having the general formula: ##STR1## wherein Ar is aromatic, with the proviso that the carbons of the cyclobutene rings are bonded to adjacent carbon atoms on the same aromatic ri... | 01/04/1994 |
| 5126461 | Process for opening cyclopropane rings Process for ring opening compounds of the formula ##STR1## in which R1 is heteroaryl or aryl, R2 is a leaving group, R3, R4, R5 and R6 are independently selected from hydrogen, alkyl, ... | 06/30/1992 |
| 5113033 | Ruthenium salt and aluminum halide catalyst system for codimerization of alpha monoolefins and conjugated diolefins A catalyst system for codimerization of alpha-monoolefins and conjugated diolefins to yield 1,4-dienes. The catalyst system includes at least one ruthenium salt and at least one aluminum halide. Suitable aluminum halides include both alkyl aluminum halide... | 05/12/1992 |
| 5053580 | Metal oxide powders, their mixtures, metal mixed oxide powders, their mixtures and their use in catalytic dehydrogenation of hydrocarbons Metal oxide powders comprised of Cr(III) oxide, Ti(IV) oxide, V(V) oxide, or mixtures of these, or metal mixed oxides comprised of Cr(III) oxide and Ti(IV) oxide and V(V) oxide, or their mixtures. They have BET surfaces of 5-50m2 /g and mean pa... | 10/01/1991 |
| 4899013 | Viscous polymers of isobutylene and dienes A process is disclosed for the preparation of copolymers of a diene and isobutylene wherein the copolymer has a degree of unsaturation greater than 100% and average molecular weight range is from 400 to 10,000.... | 02/06/1990 |
| 4334081 | Preparation of substituted olefins Substituted olefins are prepared by the reaction of an organic halide with an olefin in the presence of a catalyst derived from zinc, a triarylphosphine and a nickel salt.... | 06/08/1982 |
| 4229606 | 1,7-Octadiene process A process for preparing 1,7-octadiene by hydrodimerizing butadiene which comprises reacting the butadiene in the presence of formic acid, or a salt thereof, optionally a solvent and a catalyst comprising palladium complexed with a sterically hindered phos... | 10/21/1980 |
| 4229605 | 1,7-Octadiene process A process for preparing 1,7-octadiene by hydrodimerizing butadiene which comprises reacting the butadiene in the presence of formic acid or a salt thereof, optionally a solvent and a catalyst comprising palladium complexed with a tertiary phosphinite or p... | 10/21/1980 |
| 4225738 | Production of high purity butadiene This invention provides a three-step process for converting n-butene into high purity 1,3-butadiene, via a vinylcyclohexene intermediate. In the first step of the process, n-butene and molecular oxygen are contacted with a Group VIII metal oxide catalyst. If n... | 09/30/1980 |
| 4130598 | 2,5-Dimethyl-2,4-hexadiene production Process for the production of 2,5-dimethyl-1,5-hexadiene by heating isobutene with a 1,1,2-trihalo ethylene in the vapor phase in the presence of a free-radical generator. The free-radical generator is preferably a peroxide and the reaction temperature in... | 12/19/1978 |
| 4025570 | Preparation of 1,4-dienes of high trans-isomer content 1,4-Dienes of high trans-isomer content are prepared by contacting ethylene with a 1,3-diene in the presence of a catalyst system comprising an organic solvent-soluble organonickel compound in which the nickel is zerovalent or divalent, a hydrocarbylalumi... | 05/24/1977 |
| 4024169 | Titanium complexes with nitrogen Complexes of the titanium cyclopentadienyl compound ##STR1## and nitrogen, having the probable structure: ##STR2## where the symbol N.apprxeq.N represents a bonding state intermediate between the azo-N=N- bond and the hydrazine =N-N= bond; such ... | 05/17/1977 |
| 3994867 | Organic polymers with near-zero uniaxial thermal expansion coefficients There are provided processes and compositions for obtaining organic polymeric materials having near-zero uniaxial thermal expansion coefficients. According to one embodiment, an organic polymer having a negative uniaxial thermal expansion coefficient is t... | 11/30/1976 |
| 3981940 | Solid olefin reaction catalyst and method of using same Olefins, or mixtures of various olefins, are converted to other olefins by contact with a supported molybdenum oxide or tungsten oxide organoaluminum catalyst.... | 09/21/1976 |
| 3980730 | Molybdenum and tungsten compounds Organic compounds of the formula: in which X is a halogen atom, at least one X being fluorine, M is molybdenum or tungsten, R is a hydride ion or a hydrocarbon group, L is a Lewis base and m, n, p, q and r are integers, are manufactured from fluoracetic e... | 09/14/1976 |
