Patents Examined by Natalie Trousof
  • Patent number: 4855446
    Abstract: Racemic carboxylic acids are resolved into their enantiomers using optically active enantiomers of four lactones as resolving agents. The four lactones are 2,3-isopropylidene-ribonic acid-1,4-lactone, 1,2-isopropylidene-glucofuranurono-3,6-lactone, 2-hydroxy-3,3-dimethyl-1,4-butyrolactone and 3,4-isopropylidene-arabino-1,5-lactone. Novel diastereoisomeric esters of the acids with the lactones are disclosed.
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: August 8, 1989
    Assignee: The Sherwin Williams Company
    Inventors: Colin C. Duke, Robert J. Wells
  • Patent number: 4717418
    Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, acyl, alkylsulfonyl, benzenesulfonyl, substituted benzenesulfonyl, and an inorganic or organic cation;R.sup.2 is selected from alkyl, alkenyl, alkynyl, substituted alkyl, haloalkenyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl; andn is an integer chosen from 2 to 5.The compounds are cereal selective herbicides and in further embodiments of the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal compositions containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: January 5, 1988
    Assignee: ICI Australia Limited
    Inventors: Richard B. Warner, Alexander Serban, Keith G. Watson, Graham J. Bird, Lindsay E. Cross, Graeme J. Farquharson
  • Patent number: 4704484
    Abstract: This invention relates to the fluorination of carboxylic acids with xenon difuoride in the presence of hydrogen fluoride. Novel fluorinated compounds containing aliphatic unsaturation are also disclosed.
    Type: Grant
    Filed: October 19, 1983
    Date of Patent: November 3, 1987
    Assignee: Mallinckrodt, Inc.
    Inventor: David H. White
  • Patent number: 4697038
    Abstract: Compounds of the formula ##STR1## in which; X represents a straight chain hydrocarbyl group containing from 8 to 17 carbon atoms;Y represents H or the group--CH.dbd.NOH, andZ represents H or the group--CH.dbd.NOH or the group--CPh.dbd.NOH,provided that at least one of Y and Z represents H; or such compound containing at least one electronegative substituent in the aromatic ring, may be prepared from anacardic acid and its analogues, and are useful for the extraction of copper from acidic aqueous solution. Cardanol, which has the formula ##STR2## where n=0, 2, 4 or 6 is recovered from cashew nut shell liquid containing cardol and other dihydric phenols by reacting the dihydric phenols in the CNSL with an aldehyde while leaving the cardanol substantially unreacted, and vacuum distilling the cardanol from the reaction mixture.
    Type: Grant
    Filed: March 7, 1984
    Date of Patent: September 29, 1987
    Assignee: 501 Brunel University
    Inventor: John H. P. Tyman
  • Patent number: 4694023
    Abstract: Polyolefinic compounds represented by the general formula ##STR1## in which R and R.sub.1 are each hydrogen or an alkyl group of from 1 to 5 carbon atoms; R.sub.2 is an alkyl group of from 1 to 5 carbon atoms; R.sub.3 is hydroxyl, alkoxy of from 1 to 5 carbon atoms, NH.sub.2, NHR.sub.2 or NR.sub.2 R.sub.2 and Z is a cycloalkyl, cycloalkenyl or cycloalkdienyl group substituted with from 0 to 5 alkyl groups, a keto group or a hydroxyl group or a phenyl group substituted with from 0 to 4 hydroxy, alkoxy, alkyl or trifluoromethyl groups or halogen atoms or combinations thereof and the pharmaceutically-acceptable salts thereof.The foregoing compounds have been found to be effective in the treatment of psoriasis, inflammatory conditions and allergic responses.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: September 15, 1987
    Assignee: USV Pharmaceutical Corporation
    Inventors: Bernard Loev, Wan-kit Chan, Howard Jones
  • Patent number: 4684737
    Abstract: A process for producing a substituted phthalic acid which comprises heating a substituted tetrahydrophthalic acid compound having a substituent in at least one of the 3-, 4-, 5- and 6-positions in the presence of sulfur to dehydrogenate it, and heat-treating the product in the presence of water optionally together with an organic solvent. As required, the heat-treated product is dehydrocyclized to form a substituted phthalic acid anhydride.
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: August 4, 1987
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Hiroshi Horino, Michiro Ohnaka, Atsushi Hayashi, Yoshiko Ikeno
  • Patent number: 4683241
    Abstract: Phenolic esters of the general formula I ##STR1## are useful for the prevention, management or alleviation of elastase mediated diseases or conditions.
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: July 28, 1987
    Assignee: G. D. Searle & Co.
    Inventors: Masateru Miyano, James R. Deason
  • Patent number: 4681974
    Abstract: A fluorine-containing polymer comprising units of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are, the same or different, a fluorine-containing organic group, R.sup.3 and R.sup.4 are, the same and different, hydrogen or a lower acyl group, and Q.sup.1 and Q.sup.2 are, the same or different, a divalent organic group with at least one oxy group, which polymer having a number average molecular weight of 5,000 to 100,000, which is easily dissolved in oils and lowers surface tension thereof.
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: July 21, 1987
    Assignee: Daikin Industries Ltd.
    Inventors: Iwao Hisamoto, Masayuki Yamana
  • Patent number: 4678665
    Abstract: Products of formula (I) ##STR1## in which R=C.sub.6-18 aromatic or alkylaromatic of valency z, R'=H, C.sub.1-16 alkyl or phenyl, A=CH.sub.2 or CH.sub.2 --O-- and, in the latter case, R'.noteq.H, x=1-8, y=1-20, z=1-3 and T denotes one or more anionic groups or a mixture of anionic groups and non-ionic groups are disclosed.These compounds are prepared by the reaction of a phenol R(OH).sub.z with an epoxide ##STR2## and an epihalogenohydrin ##STR3## in which X=Cl or Br, this being followed by replacement of X with one or more hydrophilic groupsThese compounds can be used as surface-active agents.
    Type: Grant
    Filed: August 2, 1984
    Date of Patent: July 7, 1987
    Assignee: L'Oreal
    Inventors: Guy Vanlerberghe, Henri Sebag
  • Patent number: 4678612
    Abstract: There is disclosed a process for the production of arylsulfonyl halides, e.g., benzenesulfonyl chloride. The disclosed process adds a phosphorus-containing additive, e.g., phosphorous acid, before the reaction of an arylsulfonic acid with a sulfur halide and a halogen. The phosphorus-containing additive reduces the thermal instability of the residue remaining after distillation of the arylsulfonyl halide.
    Type: Grant
    Filed: January 31, 1986
    Date of Patent: July 7, 1987
    Assignee: Stauffer Chemical Company
    Inventors: Louis F. Bolzan, Edward D. Weil
  • Patent number: 4677223
    Abstract: Described is the genus of mercapto-C.sub.2 -C.sub.3 -alkanoic acid esters of citronellol, geraniol, homologues thereof and partially saturated derivatives thereof defined according to the structure: ##STR1## wherein N represents 0 or 1; M represents 0, 1 or 2; P represents 0 or 1; and the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond with the proviso that when N is 0 then the dashed line represents a carbon-carbon single bond and uses thereof in augmenting or enhancing the aroma or taste of foodstuffs.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: June 30, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Alan O. Pittet, Ranya Muralidhara, Manfred H. Vock
  • Patent number: 4675432
    Abstract: The present invention relates to methods for the preparation of anilinofumarate, a useful intermediate in the preparation of quinoline-2,3-dicarboxylic acid and in the preparation of 2-(2-imidazolin-z-yl) quinoline-3-carboxylic acid herbicidal agents.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: June 23, 1987
    Assignee: American Cyanamid Company
    Inventor: Donald R. Maulding
  • Patent number: 4675434
    Abstract: A process for preparing phthalic acid esters of formula (I) which comprises reacting the phthalic acids of formula (II) with an aliphatic alcohol in the presence of a catalyst consisting essentially of the dialkyltinoxides of formula (III): ##STR1## wherein R and R.sub.1 are the same or different and include both straight and branch chain aliphatic alkyl groups containing 4 to 13 carbon atoms and R.sub.2 and R.sub.3 are straight or branch chain aliphatic alkyl groups containing 1 to 8 carbon atoms.
    Type: Grant
    Filed: November 15, 1984
    Date of Patent: June 23, 1987
    Assignee: Korea Advanced Institute of Science & Technology
    Inventors: Sung J. Uhm, Tae J. Lee, Eun S. Choi, Dong W. Yu
  • Patent number: 4673692
    Abstract: A compound represented by the formula ##STR1## wherein R.sup.1 represents a hydroxyl group, an alkanoyloxy group or a group of the formula ##STR2## in which R.sup.2 represents a hydrogen atom or a lower alkyl group, and R.sup.3 represents a hydrogen atom, a lower alkyl group, an alkanoyl group, a phenyl group, a carbamoyl group or a thiocarbamoyl group, or a salt thereof.The said compound can be prepared by reacting a compound represented by the formula ##STR3## with a compound of the formulaNH.sub.2 --R.sup.1 (III)wherein R.sup.1 is as defined hereinabove, or a salt thereof, and as required, alkanoylating the resulting compound of formula (I) in which R.sup.1 represents a hydroxyl group or an amino group, and as required, converting the resulting compound of formula (I) in which R.sup.1 is the group ##STR4## into its salt, and is useful for the treatment of inflammation, pain or rheumatism.
    Type: Grant
    Filed: October 18, 1985
    Date of Patent: June 16, 1987
    Assignee: Teikoku Hormone Mfg. Co., Ltd.
    Inventors: Yasushi Suzuki, Yukio Hasegawa, Michitaka Sato, Morinobu Saito, Norio Yamamoto, Katsuhiko Miyasaka, Takashi Mikami, Katsuhiko Miyazawa
  • Patent number: 4673758
    Abstract: Unsaturated polyesters of defined composition with a low content of polyalkylene glycol radicals in a narrow molecular weight range can be dispersed in water without external emulsifiers. These dispersions produce, after hardening, water and chemical resistant coatings with good mechanical properties.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: June 16, 1987
    Assignee: Baker Aktiengesellschaft
    Inventors: Jurgen Meixner, Manfred Muller, Wolfgang Kremer
  • Patent number: 4672105
    Abstract: A method for preparing an ester of (meth)acrylic acid with a polyhydric alcohol comprising, transesterifying a (meth)acrylic acid ester derived from an alcohol of 1-4 carbon atoms with a transesterifying polyhydric alcohol in the presence of at least one metal compound catalyst system, said catalyst system being comprised of compounds A or a combination of compounds A+B, wherein A represents at least one compound of the formula: Li.sub.n Y, wherein Y is halide, chlorate, carbonate, carboxylate of 1 to 6 carbon atoms, an alkoxide of 1 to 4 carbon atom, hydroxide or oxide and n is 1 or 2, and wherein B is the compound: CaX.sub.q, wherein X is oxide or chloride, and q is 1 or 2; with the provision that at least one of the two anionic components Y and X is oxygen-containing.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: June 9, 1987
    Assignee: Rohm GmbH Chemische Fabrik
    Inventors: Fritz Schlosser, Peter J. Arndt, Manfred Mueller, Lothar Janssen
  • Patent number: 4670587
    Abstract: This invention relates to a process for the purification of crude terephtic acid. The process includes heating the crude acid on a first plate and locating a second plate adjacent the first plate whereby vapors emanating from the crude acid form a sublimate on the second plate. The principal impurity removed is 4-carboxybenzaldehyde. The crude acid produced is applied to the first plate as a layer having a thickness of about 2 to about 5 mms thick and heated to a temperature of from about to about C. The upper plate is not heated except by the convective heat transfer and the heat of sublimation provided by the vapor moving from the crude acid layer to the second plate.
    Type: Grant
    Filed: February 3, 1986
    Date of Patent: June 2, 1987
    Assignee: Louisiana State University and Agricultural and Mechanical College
    Inventor: Michael Saska
  • Patent number: 4670580
    Abstract: The invention provides a process for the preparation of a polyester oligomer capable of being further polymerized to a high polymer wherein a glycol-dicarboxylic acid ester feed is treated in a secondary esterification zone under conditions such that the partial vapor pressures of water and glycol are maintained at a cumulative level of less than 740 Torr, with water and glycol vapors being continuously removed from the secondary esterification zone, and free glycol being added to the secondary esterification zone in an amount sufficient to maintain a stable amount of liquid glycol in the secondary esterification zone.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: June 2, 1987
    Assignee: Celanese Corporation
    Inventor: Charles J. Maurer
  • Patent number: 4670579
    Abstract: An olefin, especially an activated olefin, is telomerized by reaction with an arylamine, such as an aniline, in the presence of an alkyl nitrite, a copper catalyst, and a catalytic amount of water and/or acid and in the absence of more than about 0.5 volume part of inert solvent per volume part of olefin.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: June 2, 1987
    Assignee: Ethyl Corporation
    Inventor: Robert I. Davidson
  • Patent number: RE32489
    Abstract: Substituted 2-[1-(oxyamino)alkylidene]-cyclohexane-1,3-diones have herbicidal activity against grassy weeds.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: September 1, 1987
    Assignee: Chevron Research Company
    Inventor: Tatao Luo