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| Number | Title | Issue Date |
| 7297822 | 1-bromo-4-(4′-bromophenoxy)-2-pentadecyl benzene and preparation thereof The present invention relates to novel brominated phenoxy compounds and to process for their preparation. More particularly, the present invention relates to synthesis of novel dibromodiphenyl ether starting from Cashew Nut Shell Liquid (CNSL);—a renewable resourc... | 11/20/2007 |
| 7276633 | Method for production naphthalene derivatives The present invention relates to a process for the preparation of a compound of the general formula R-(A1-Z-)mB—CF2O-A2-(A3)n—R′ (I) in which ... | 10/02/2007 |
| 7255927 | Laminate composition This invention concerns a thermosetting resin system that is useful in the manufacture of high performance prepreg, laminate and composite materials as well as, prepregs, laminates and composites made from the thermosetting resin composition. ... | 08/14/2007 |
| 7091270 | Pentabromobenzyl alkyl ethers and their use as fire retardants The present invention provides novel pentabromobenzyl alkyl ethers serving as highly effective flame retardants in polymers. The invention further provides a fire retarded polymer composition comprising said pentabromobenzyl alkyl ethers. ... | 08/15/2006 |
| 6958423 | Bromination process This invention relates to a novel process which comprises feeding a mixture formed from diphenylethane and bromine to a stirrable reaction mass comprised of bromine and a bromination catalyst to yield a decabromodiphenylethane wet cake which can be most economically... | 10/25/2005 |
| 6770463 | Process for the preparation of chiral isofluoroenes There is provided a process for the preparation of a chiral insecticidal and acaricidal compound of formula I. Also provided are intermediate compounds useful in the process of the present invention. ... | 08/03/2004 |
| 6762329 | Diaryl ether condensation reactions One aspect of the present invention relates to novel reaction conditions that allow the efficient synthesis of diaryl ethers from arenes bearing a leaving group and arenols under relatively mild conditions. Another aspect of the present invention relates to the dram... | 07/13/2004 |
| 6706930 | Process for the preparation of halogenated hydroxydiphenyl compounds There is described a process for the preparation of halogenated hydroxydiphenyl compounds of formula (1) by acylation of a halogenated benzene compound (first stage), etherification of the acylated compound with a halogenated phenol compound, which is not further su... | 03/16/2004 |
| 6610890 | Aldose reductase inhibitors and pharmaceutical compositions Medicaments for treating diabetic complications contain a compound of formula (A), wherein at least one Y or one Y' is OH, and the remainder are selected from H, Hal, OH, OMe and NO2 ; X is O, S, keto or a direct link ##STR1##... | 08/26/2003 |
| 6495728 | Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds A two-step process for the preparation of fluoroolefin compounds of formula I ##STR1## wherein R is hydrogen or alkyl, and R1 is alkyl or cyclopropyl, or R and R1 are taken together with the carbon atom to which they are attached to ... | 12/17/2002 |
| 6465687 | Thyroid receptor ligands and method Novel thyroid receptor ligands are provided which have the general formula (I) ##STR1## where R1 is alkyl of 1 to 4 carbons or cycloalkyl of 3 to 7 carbons; R2 and R3 are the same or different and are hydrogen, halogen, ... | 10/15/2002 |
| 6395939 | Diaryl ether condensation reactions One aspect of the present invention relates to novel reaction conditions that allow the efficient synthesis of diaryl ethers from arenes bearing a leaving group and arenols under relatively mild conditions. Another aspect of the present invention relates ... | 05/28/2002 |
| 6342642 | 1,4-diaryl-2-fluoro-1-buten-3-ol compounds and their use in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds The present invention provides novel 1,4-diaryl-2-fluoro-1-buten-3-ol compounds of the structural formula I ##STR1## a method for the preparation of those formula I compounds, and the use of those formula I compounds in the preparation of 1,4-diaryl-... | 01/29/2002 |
| 6288011 | 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents Pesticidal 1,4-diaryl-2,3-difluoro-2-butene compounds having the structural formula I ##STR1## and compositions and methods comprising those compounds for the control of insect and acarid pests.... | 09/11/2001 |
| 6215029 | Process for the preparation of halogenated hydroxydiphenyl compounds A process for the preparation of halohydroxydiphenyl compounds useful for protecting organic materials and articles from microorganisms, of the formula ##STR1## by acylation of a halogenated benzene compound (first stage), etherification of the acyla... | 04/10/2001 |
| 6198008 | Process for the preparation of 5-bromo-2-fluorobenzeneboronic acid A process is disclosed for the preparation of 5-bromo-2-fluorobenzeneboronic acid, which is useful as an intermediate in the preparation of a non-ester pyrethroid compound. The compound can be, for example, a fluoroolefin, which is useful as a pesticide.... | 03/06/2001 |
| 6166272 | Molybdenum trioxide catalyzed fluorination reactions Disclosed is a method of fluorinating a substrate having the general formula ##STR1## where each R is independently selected from halogen, alkyl from C1 to C12, aryl from C6 to C12, alkoxide from C1 | 12/26/2000 |
| 6133483 | Process for the production of 2,4,4'-trichloro-2'-methoxydiphenyl ether A process is disclosed for the synthesis of 2,4,4'-trichloro-2'-methoxydiphenyl ether, and it's precursor 2,4,4'-trichloro-2'-bromodiphenyl ether, a novel compound.... | 10/17/2000 |
| 5892131 | Process for the preparation of pesticidal fluoroolefin compounds A process and intermediate compounds for the preparation of fluoroolefin compounds which are useful as pesticidal agents.... | 04/06/1999 |
| 5861540 | Substituted 1,1,1-triaryl-2,2,2-trifuoroethanes and processes for their synthesis Synthetic procedures to tetraalkyls, tetraacids and dianhydrides substituted 1,1,1-triaryl-2,2,2-trifluoroethanes which comprises: (1) 1,1-bis(dialkylaryl)-1-aryl-2,2,2 -trifluoroethane, (2) 1,1-bis(dicarboxyaryl)-1-aryl-2,2,2-trifluoroethane or (3) cycli... | 01/19/1999 |
| 5741949 | Continuous bromination process and products thereof A preferred process for producing a brominated, non-fused aromatic composition involves a continuous bromination in a continuous, mixed reactor such as a continuous stirred tank reactor. Bromine and the aromatic substrate, and optionally a bromination cat... | 04/21/1998 |
| 5698702 | Intermediate compound for use in production of dihalopropene compound There is disclosed a dihalopropene compound of the formula I: ##STR1## wherein l is an integer of 1 to 5; m is an integer of 1 to 4; R1 's and R2 's are the same or different and are independently halogen or various other groups... | 12/16/1997 |
| 5658914 | Diphenylcyclopropyl analogs Diphenylcyclopropyl analogs in which one or more of the phenyl rings includes alkoxy substituents including a dialkylaminoalkoxy group, an unsubstituted piperazine alkoxy group, a substituted piperazine alkoxy group, an unsubstituted piperidine alkoxy gro... | 08/19/1997 |
| 5552549 | Process for the dechlorination of chlorinated aromatic compounds Chlorinated aromatic compounds are dechlorinated in a simple and inexpensive manner by heating them to 300° to 450° C. in a salt melt in the presence of water and/or water vapor and carbon.... | 09/03/1996 |
| 5498803 | Poly(arylene ether)s containing pendent ethynyl groups Poly(arylene ether)s containing pendent ethynyl and substituted ethynyl groups and poly(arylene ether) copolymers containing pendent ethynyl and substituted ethynyl groups are readily prepared from bisphenols containing ethynyl and substituted ethynyl gro... | 03/12/1996 |
| 5426234 | Phenylethynyl terminated reactive oligomer A composition of matter having the general structure: ##STR1## (wherein X is F, Cl, or NO2, and Y is CO, SO2 or C(CF3)2) is employed to terminate a nucleophilic reagent, resulting in the exclusive productio... | 06/20/1995 |
| 5397802 | Gem-dichlorocyclopropanes as antitumor agents Gem-Dichlorocyclopropanes (Analog II derivatives) which demonstrate antiproliferative activity toward MCF-7 cells, in vitro and are generally not reversed by estradiol or having intrinsic estrogenicity (except the hydroxyphenyl derivative Compound 30). In... | 03/14/1995 |
| 5382686 | Process for preparing nitrodiphenyl (thio) ethers Nitrodiphenyl(thio) ethers in which the nitro group is in the ortho- or para-position with respect to the ether oxygen or ether sulphur can be prepared from halonitrobenzones in which the nitro group is in the ortho- or para-position with respect to the h... | 01/17/1995 |
| 5352844 | Isolation of partially brominated diphenyl ether mixtures in crystalline form with higher melting range This invention relates to a process for isolation of partially brominated diphenyl ether mixtures ("Octabrom") having an average bromine content of 7.2-8.5. The process comprises: (i) adding a C1 -C4 alkanol to the Octabrom in soluti... | 10/04/1994 |
| 5312975 | Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid A process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid comprising the reaction of an organometallic derivative with a suitable substituted benzene in the presence of a transition-metal based catalyst is described.... | 05/17/1994 |
| 5302760 | Stability additive for perfluoropolyalkylethers Stability enhancing additives of the formula: ##STR1## where Rf is a perfluoroalkyl group having 1 to 15 carbon atoms and n has a value of 1 to 6, for perfluoropolyalkylether fluids. These additives are incorporated into perfluoropolyalkyl... | 04/12/1994 |
| 5283371 | Intermediates useful in the production of pesticides A process for the production of a boronic acid of formula III, ##STR1## in which an organometallic of formula IV, ##STR2## in which formula IV, M represents a metallic moiety such as --MgX, X being a halogen or an alkali metal is treated with a ... | 02/01/1994 |
| 5242996 | Modified epoxy resins having acetylenically unsaturated functions A modified epoxy resin or compound of the formula: ##STR1## wherein A is the backbone reside of a glycidyl ether epoxy resin with removal of the glycidyloxy groups; R1 and R2 are independently a hydrogen atom or C1 -C... | 09/07/1993 |
| 5243087 | Pyridine derivatives, their production processes and their compositions for the control of insect pests A pyridine derivative of the formula: ##STR1## wherein R1 is, the same or different, each a hydrogen atom, a halogen atom, a C1 -C4 alkyl group, a C1 -C4 haloalkyl group, a C1 -C3... | 09/07/1993 |
| 5225436 | Aryl substituted naphthalene derivatives Certain aryl substituted naphthalene, benzoxepine, benzazepine and henzocycloheptene derivatives are disclosed. The compounds are useful in treating hyperproliferative skin disease, allergic reactions and inflammation.... | 07/06/1993 |
| 5223536 | 1,4-diaryl-1-cyclopropyl-4-substituted butanes as insecticides and acaricides The 1,4-diaryl-1-cyclopropyl-4-substituted butane pesticides of the following formula are effective as insecticides and acaricides: ##STR1## in which X and Y are independently hydrogen, halogen, alkyl, alkoxy, cycloalkylalkoxy, alkylcarbonyl, alkoxyc... | 06/29/1993 |
| 5210321 | Diphenyl oxide bromination process A process for producing a mixture of brominated diphenyl oxides with an average bromine number of 7.0 to 7.8 is improved by the utilization of a multi-step, multi-catalyst procedure. The process uses a zirconium catalyst in the first reaction and an iron ... | 05/11/1993 |
| 5136107 | Process for halogenating aromatic compounds A process for producing a mixture of ar-brominated polyphenyl compounds with an average of from about 3 to about 4 bromine atoms per aromatic ring utilizing a novel catalytic system for at least a portion of the bromination reaction so as to obtain an ar-... | 08/04/1992 |
| 5110983 | Hexafluoroisopropyl-containing monomers, process for their preparation and their use Compounds of the formula I ##STR1## can be prepared by various process steps from 2-(4-methylphenyl)-2-hexafluoroisopropanol. Hexafluoroisopropyl-containing monomers are important starting compounds in the preparation of linear polycarboxamides and p... | 05/05/1992 |
| 5081316 | Melting point enhancement of partially brominated diphenyl oxide mixtures This invention relates to a process for increasing the melting point of partially brominated diphenyl oxide mixtures having an average bromine content of 7.0 to 8.5. The process comprises: forming a slurry comprised of alkyl halide and the mixture; and ev... | 01/14/1992 |
