Patents Examined by Thomas A. Waltz
  • Patent number: 4395319
    Abstract: A lean sensor for sensing oxygen concentration in exhaust emissions, including a sensor element consisting of a tabular solid electrolyte having opposed sides provided with electrodes with at least one surface thereof coated with a porous coating layer, an element fixing plate having an element fitting hole to which the element is fitted, and a pair of heat-resistant insulating support plates having opposing windows and clamping therebetween the element fixing plate together with the sensor element disposed in the windows. In this way, it is possible precisely to locate the element in relation to the plate and to improve the bonding strength and reliability while reducing the size of the sensor as a whole.
    Type: Grant
    Filed: May 11, 1982
    Date of Patent: July 26, 1983
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Yoshio Torisu, Shigenori Sakurai, Takashi Kamo, Toshinobu Furutani
  • Patent number: 4394293
    Abstract: A catalytic dispersion of fine metal particles mediates the photodissociation of water into hyrogen gas. A protective agent adsorptive to said particles and selected from among homopolymers, copolymers, hydrocarbyl radicals and polysaccharides stabilizes the said dispersion.
    Type: Grant
    Filed: September 5, 1980
    Date of Patent: July 19, 1983
    Assignee: Engelhard Corporation
    Inventors: Michael Gratzel, John Kiwi
  • Patent number: 4394389
    Abstract: Di and trihydroxybenzohydroxamic acids, amides, alkyl substituted amides and phenyl esters, ribonucleotide reductase inhibitors.
    Type: Grant
    Filed: March 24, 1981
    Date of Patent: July 19, 1983
    Inventors: Bartholomeus van't Riet, Howard L. Elford, Galen L. Wampler
  • Patent number: 4394314
    Abstract: A process of reacting a ring carbon atom of an aromatic compound Ar with a compound of the formula H.sub.2 NCH.dbd.NH.sub.2.sup.+ CH.sub.3 CO.sub.2.sup.-, and an anhydride which has the ##STR1## at from 10.degree. to 200.degree. C. and preferably 25.degree. to 40.degree. C. to form a compound of the formula ##STR2## where m is 1, 2 or 3, and A is H or F. In the case where m is 1 the compound ##STR3## can be hydrolyzed to ArCHO.
    Type: Grant
    Filed: April 23, 1981
    Date of Patent: July 19, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Wallace C. Petersen
  • Patent number: 4394305
    Abstract: Compounds which are carboxylic acids, or their salt, ester or amide derivatives, having an oxyalkylene amine oxide substituent at the alpha-carbon atom are disclosed. The compounds are useful as detergent surfactants which provide outstanding cleaning, particularly of oily soils, under cold water laundering conditions. Detergent compositions containing the compounds also preferably contain other surfactants, builders, and detergent adjunct materials.
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: July 19, 1983
    Assignee: The Procter & Gamble Company
    Inventor: Eugene P. Gosselink
  • Patent number: 4393237
    Abstract: Novel polyoxyalkylenepolyacrylamide compounds useful as adhesives are disclosed. These novel compounds are prepared by mixing and reacting di- and tri-functional polyoxyalkylenepolyamines with an acrylate such as methacrylic acid or methylmethacrylate at an elevated temperature and pressure.
    Type: Grant
    Filed: July 2, 1981
    Date of Patent: July 12, 1983
    Assignee: Texaco Inc.
    Inventors: Ernest L. Yeakey, Lewis W. Watts, Jr.
  • Patent number: 4391626
    Abstract: New halogenoalkylamides of the general formula ##STR1## in which R.sup.1 represents halogenoalkyl,R.sup.2 represents alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, aralkyl, halogenoalkyl or alkoximinoalkyl,R.sup.3 represents hydrogen or alkyl with 1 to 4 carbon atoms,R.sup.4 represents hydrogen or alkyl with 1 to 4 carbon atoms andR.sup.5 represents hydrogen, alkyl, alkenyl, alkynyl or aralkyl,processes for their preparation and their use as antidotes for protecting crop plants from damage by herbicidally effective thiolcarbamates and acetanilides.Novel amine derivatives of the general formula ##STR2## in which R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the above-mentioned meaning, and a process for their preparation.A novel halogenoacylamines of the general formula ##STR3## in which R.sup.1, R.sup.2 and R.sup.3 have the above-mentioned meaning andR.sup.6 represents hydrogen or methyl,as well as processes for their preparation.
    Type: Grant
    Filed: January 19, 1981
    Date of Patent: July 5, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Wolf Reiser, Wilfried Faust
  • Patent number: 4390462
    Abstract: Described is the genus of compound having the structure: ##STR1## wherein R.sub.1 represents C.sub.1 -C.sub.3 lower alkyl, R.sub.2 R.sub.3, R.sub.4 and R.sub.5 represent the same or different hydrogen or C.sub.1 -C.sub.3 lower alkyl; X and Y represent the same or different oxygen or sulfur; and one of the dashed lines represents a carbon-carbon double bond and the other of the dashed lines represent carbon-carbon single bonds as well as methods for augmenting or enhancing the aroma and/or taste of consumable materials including foodstuffs, chewing gums, medicinal products, toothpastes, chewing tobaccos, perfume compositions, perfumed articles, smoking tobaccos and smoking tobacco articles using such dioxolanes, oxathiolanes and dithiolanes. The perfumed articles include solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, dryer-added fabric softener articles, hair preparations, deodorant compositions, as well as bleaching compositions containing the same.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: June 28, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Richard M. Boden
  • Patent number: 4388228
    Abstract: Described are methods for augmenting or enhancing the aroma of perfumes and perfumed articles by adding thereto perfume aroma augmenting or enhancing quantities of novel C.sub.10 -branched olefin epoxide mixtures produced by dimerizing isoamylene, (2-methyl-2-butene) and then epoxidizing the resulting product; as well as perfume compositions, colognes and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, hair preparations and deodorant compositions as well as bleaching compositions containing same.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: June 14, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Richard M. Boden, Lambert Dekker, Frederick L. Schmitt, Augustinus G. Van Loveren
  • Patent number: 4388452
    Abstract: This invention relates to .alpha.-olefin-acrylonitrile copolymers and uses thereof, particularly as antistatic agents in organic liquids such as hydrocarbon fuels.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: June 14, 1983
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, Rudolf S. Buriks
  • Patent number: 4387048
    Abstract: Described are compounds having the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond; wherein X represents the moieties: ##STR2## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.8 and R.sub.9 represent hydrogen or methyl with the proviso that (i) at least three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen and (ii) when the dashed line is a carbon-carbon single bond and X is: ##STR3## then one of R.sub.1, R.sub.2, R.sub.3 or R.sub.4 is methyl and the other represents hydrogen; wherein R.sub.5 represents hydrogen, MgZ or Li; wherein Z represents chloro, bromo or iodo and wherein R.sub.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: June 7, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Takao Yoshida
  • Patent number: 4386080
    Abstract: Novel 3,4-disubstituted-N-acylanilines of the formula: ##STR1## wherein R.sup.1, R.sup.2 and ring A are defined in claim 1; wherein R.sup.3 is hydrogen or alkyl of up to 4 carbon atoms, or is joined to R.sup.5 as stated below;wherein R.sup.4 is alkyl of 2 to 4 carbon atoms, or has the formula --CX.sup.1 X.sup.2 X.sup.3 wherein X.sup.1, X.sup.2 and X.sup.3, which may be the same or different, each is hydrogen, fluorine or chlorine; wherein R.sup.5 is hydrogen, hydroxy or alkoxy or acyloxy each of up to 15 carbon atoms, or is joined to R.sup.3 to form an oxycarbonyl group such that together with the ##STR2## part of the molecule it forms an oxazolidinedione group; and wherein R.sup.6 is hydrogen or halogen. These compounds possess antiandrogenic activity and are useful for the treatment of androgen dependent or prostatic diseases. Representative of the compounds is 3,4-dichloro-N-(2-hydroxy-2-p-nitrophenylpropionyl)aniline.
    Type: Grant
    Filed: May 21, 1981
    Date of Patent: May 31, 1983
    Assignee: Imperial Chemical Industries Limited
    Inventors: Neville S. Crossley, Alasdair T. Glen, Leslie R. Hughes
  • Patent number: 4386218
    Abstract: A compound having a terminal isocyanate group is hydrolyzed to produce a polyamine having a urethane and/or a urea and/or a biuret group. More particularly, a carbamate is made by mixing an isocyanate prepolymer having urethane and/or urea and/or biuret groups present with aqueous base solutions at a temperature of from 0.degree. to 0.degree. C. and in quantities such that the equivalent ratio of hydroxyl to isocyanate groups is between from 0.3:1 to .gtoreq.1.01 to 1. The carbamate is then treated with an acid ion exchanger to form an amine. The amine is then removed from any other material which may be present. A preferred polyamine thus-produced corresponds to the general formula: ##STR1## in which each R radical may represent a divalent straight or branched-chain aliphatic radical; a divalent cycloaliphatic radical; a 4,4'- and/or a 2,4'-dicyclohexylmethane radical; or a 2,4- and/or 2,6-methyl cyclohexane radical.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: May 31, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Werner Rasshofer, Dieter Dieterich, Holger Meyborg
  • Patent number: 4386023
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: December 29, 1981
    Date of Patent: May 31, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4384965
    Abstract: During mechanical working, an aqueous lubricant composition is used as a lubricating and cooling agent, which contains an ether phosphate as a lubricating agent. A concentrate suitable for use as a lubricant after dilution with water is also described.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: May 24, 1983
    Assignee: Berol Kemi AB
    Inventors: Karl M. E. Hellsten, Birgit T. G. Karlsson
  • Patent number: 4385001
    Abstract: Edible oils may be selectively hydrogenated using a zerovalent, supported, catalytically active cobalt catalyst. Where the cobalt is supported on alumina, the selectivity of hydrogenation is virtually independent of the nature of the alumina. The process is sufficiently selective that continuous hydrogenation may be performed with about the same selectivity as that presently obtained in batch processes using presently conventional catalysts.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: May 24, 1983
    Assignee: UOP Inc.
    Inventor: Bruce I. Rosen
  • Patent number: 4384140
    Abstract: The present invention relates to novel aminoalkyl substituted nitrosourea derivatives as well as their acid addition salts with pharmaceutically acceptable acids showing pronounced antineoplastic effectiveness in animal experiments.The novel compounds of the present invention may be represented by the following formula: ##STR1## wherein X and Y are the same or different, and are selected from the group consisting of a phenyl group and a cyclohexyl group, said phenyl and cyclohexyl groups being optionally substituted with one or two substituents selected from a halogen atom, a lower alkyl group having from one to four carbon atoms inclusive, a trifluore methyl group, a cyano group, a phenyl group, a cyclohexyl group and a lower alkyloxy group having from one to four carbon atoms inclusive."Alkylene" is an alkylene group, branched or unbranched, having from one to four carbon atoms inclusive, and R.sup.1 and R.sup.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: May 17, 1983
    Assignee: Kefalas A/S
    Inventors: Peter Bregnedal, Jorn L. M. Buus
  • Patent number: 4382956
    Abstract: N-Sulphenylated biurets of the formula ##STR1## in which R.sup.1 represents a trihalogenomethyl radical,R.sup.2 represents an optionally substituted aliphatic, cycloaliphatic, araliphatic or aromatic radical andR.sup.3 and R.sup.4 are identical or different and represent a hydrogen atom, an optionally substituted aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic radical or the amino or hydroxyl group, or together with the connecting nitrogen atom represent a five-membered or six-membered heterocyclic ring, the ring carbon atoms of which are optionally interrupted by one or more further hetero-atoms,which possess fungicidal activity.
    Type: Grant
    Filed: December 15, 1981
    Date of Patent: May 10, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Engelbert Kuhle, Volker Paul, Wilhelm Brandes
  • Patent number: 4380667
    Abstract: The present invention relates to 2'-(ortho-chlorobenzoyl)-4'-chloroglycylanilides, compositions thereof, and their use as medicaments, e.g., as anxiolytic agents.The compounds of the invention have the general formula I ##STR1## in which R represents hydrogen or alkyl,R.sub.1 and R.sub.2 may be identical or different and are selected from hydrogen, alkyl, hydroxyalkyl, alkenyl, and alkynyl, possibly substituted by alkyl, and cycloalkyl having three to six members, possibly substituted by alkyl, with the proviso that, when one of R.sub.1 and R.sub.2 represents hydrogen, the other is not lower alkyl or hydroxyalkyl; and with the further proviso that R.sub.1 and R.sub.2 may not simultaneously represent either hydrogen or lower alkyl. R.sub.1 and R.sub.2 may furthermore form, with the nitrogen atom to which they are connected, a nitrogen heterocycle possibly containing a second heteroatom selected from oxygen and nitrogen.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: April 19, 1983
    Assignee: Pierre Fabre S.A.
    Inventors: Gilbert Mouzin, Henri Cousse, Antoine Stenger
  • Patent number: RE31307
    Abstract: An improved method for preparing clay-based grease compositions is described whereby a clay containing pre-grease is prepared and a water separated from the clay-bearing pre-grease prior to the addition of an epoxide which is cured, e.g., simultaneously with the dehydration of the pre-grease. The grease compositions prepared in this manner show improved water resistance over those wherein the epoxide is added prior to separation of the water phase and the grease is also more responsive to the addition of conventional grease additives such as extreme pressure additives, anti-corrosion additives and anti-oxidants.
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: July 12, 1983
    Assignee: Shell Internationale Research Maatschap, IIJ B.V.
    Inventors: Kenneth A. MacKenzie, Abraham Verhoeff