Patents Represented by Attorney L. S. Squires
  • Patent number: 4376830
    Abstract: Sulfur cement-aggregate compositions comprising a sulfur cement and an aggregate containing an expansive clay and processes for preparing such compositions. The processes, and resulting compositions, are characterized by the addition of certain organosilanes in the composition prior to solidifying (cooling) the composition. The resulting solidified composition has improved water stability.The compositions can be used as mortars or concretes depending on the particle size of the principal aggregate component.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: March 15, 1983
    Assignee: Chevron Research Company
    Inventors: Edward L. Nimer, Robert W. Campbell
  • Patent number: 4365989
    Abstract: Compounds of the formula: ##STR1## wherein R and R.sup.1 are independently lower alkyl or R and R.sup.1 are joined to form a cycloalkyl group of 5 to 8 carbon atoms; R.sup.2 is hydrogen or chloro; and R.sup.3 is hydrogen, halogen or --SR.sup.4 wherein R.sup.4 is lower alkyl, phenyl or phenyl substituted with 1 to 3 of the same or different substituents selected from halogen, nitro, lower alkyl or lower alkyl substituted with 1 to 3 halogens with the proviso that when R.sup.2 is chloro, R.sup.3 is not --SR.sup.4, bromo, fluorine or iodine, possess good fungicidal activity. Moreover, some of the compounds of this invention are active as algicides and herbicides.
    Type: Grant
    Filed: January 27, 1982
    Date of Patent: December 28, 1982
    Assignee: Chevron Research Company
    Inventor: Edward I. Aoyagi
  • Patent number: 4362548
    Abstract: Compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are alkyl or halo; R.sup.3 is hydrogen or alkyl; Z is halo; and R.sup.4 is alkoxycarbonyl, alkoxy, phenyl, substituted phenyl,a group of the formula ##STR2## wherein R.sup.5 and R.sup.6 are hydrogen, alkyl, alkenyl or alkynyl; a group of the formula ##STR3## wherein R.sup.7 and R.sup.8 are hydrogen or alkyl; A five or six-membered aromatic heterocyclic ring of the formula ##STR4## wherein at least one of V, W, X or Y is an oxygen, sulfur or nitrogen atom, R.sup.9 is alkyl and n is 0, 1, 2 or 3 have herbicidal and plant-growth-regulating activity.
    Type: Grant
    Filed: January 29, 1981
    Date of Patent: December 7, 1982
    Assignee: Chevron Research Company
    Inventor: Stephen D. Ziman
  • Patent number: 4348222
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkyl or alkoxy; R.sup.2 is substituted alkyl or substituted alkenyl containing 1 or 2 hydroxy or alkoxy substituents, acyl, and ketal group of the formula ##STR2## wherein n=2, 3 or 4, R.sup.4 is alkyl and R.sup.5 is hydrogen or alkyl, an oxime of the formula ##STR3## wherein R.sup.6 is hydrogen or alkyl; R.sup.3 is hydrogen or alkyl; X is halo and Y is oxygen or sulfur have herbicidal activity.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: September 7, 1982
    Assignee: Chevron Research Company
    Inventor: John W. Kobzina
  • Patent number: 4334118
    Abstract: Improved processes for polymerizing C.sub.3 -C.sub.12 olefins (e.g. propylene) comprising polymerizing olefins in the presence of a solid phosphoric acid catalyst and an alkanol. As well as catalyzing the polymerization, the catalyst also catalyzes the decomposition of the alkanol into water and olefin. The water in turn replaces water lost from the catalyst during the polymerization thus maintaining a more constant phosphoric acid strength catalyst without subjecting said catalyst to excess liquid water and substantially improving overall polymerization conversions and catalyst life.
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: June 8, 1982
    Assignee: Chevron Research
    Inventor: John F. Manning
  • Patent number: 4332911
    Abstract: Sulfur cement-aggregate compositions comprising a sulfur cement and an aggregate containing an expansive clay and processes for preparing such adhesives. The processes, and resulting compositions, are characterized by adding a water soluble salt to the aggregate and then admixing said aggregate-salt mixture with molten sulfur cement. The resulting solidified composition has improved water stability.The compositions can be used as mortars or concretes depending on the particle sizes of the principal aggregate component.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: June 1, 1982
    Assignee: Chevron Research
    Inventors: Edward L. Nimer, Robert W. Campbell
  • Patent number: 4332912
    Abstract: Sulfur cement-aggregate compositions such as sulfur cement concrete and mortars, comprising a sulfur cement and an aggregate and processes for preparing such products. The composition is characterized by the use of an expansive clay contaminated aggregate, which has been pretreated with a salt solution (e.g., KCl, CaCl.sub.2, etc.). The salt solution pretreatment substantially improves the water stability of the final sulfur cement and aggregate product.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: June 1, 1982
    Assignee: Chevron Research
    Inventor: Bradley S. Albom
  • Patent number: 4326878
    Abstract: 1,2,4-Trisubstituted-1,2,4-triazolidin-3,5-dithiones are prepared by the reaction of a 1,2,4-trisubstituted 1,2,4-triazolidin-3-one-5-thione and phosphorous pentasulfide in the liquid phase. The triazolidin-dithione compounds are useful as herbicides and plant-growth regulators.
    Type: Grant
    Filed: July 25, 1979
    Date of Patent: April 27, 1982
    Assignee: Chevron Research
    Inventor: Stephen D. Ziman
  • Patent number: 4326077
    Abstract: Novel N-haloacetylphenylamino carbonyl oximes represented by the formula ##STR1## wherein Ar is phenyl or substituted phenyl; R.sup.1 is halomethyl; R.sup.2 and R.sup.3 are each independently hydrogen, alkyl, phenyl, benzyl, substituted phenyl or benzyl, haloalkyl, cyanoalkyl, alkoxyalkyl, alkylthioalkyl or thiocyanoalkyl; R.sup.4 is hydrogen or alkyl; n is 0 or 1; m is 0 or 1; R is hydrogen, alkyl, alkenyl, alkynyl, alkylthioalkyl, haloalkyl, alkoxyalkyl, cyanoalkyl, phenyl, benzyl, substituted phenyl or benzyl, or R is acyl of the formula ##STR2## wherein R.sup.5 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio, acetonyl, or the group --NR'R" wherein R' and R" are independently hydrogen, alkyl or phenyl; with the proviso that R.sup.2 and R.sup.3 may be joined together to form a carbocyclic ring or a heterocyclic ring; or R and R.sup.2 may be joined together to form a heterocyclic ring; or R and R.sup.3 may be joined together to form a heterocyclic ring.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: April 20, 1982
    Assignee: Chevron Research Company
    Inventors: William L. Schinski, David C. K. Chan, Irene C. Huang
  • Patent number: 4316311
    Abstract: An improved method and apparatus for bounce crimp texturizing thermoplastic yarn. The process and apparatus are characterized by a unique control system wherein either yarn thickness or a minute accumulation of the yarn discharged from the texturizer is sensed and the tension on the yarn controlled in response thereto so as to permit the yarn to issue from the texturizer in a loosely compacted tensionless state without significant intermediate yarn accumulation or piling prior to being continuously wound into packages.By eliminating substantial intermediate accumulation or piling of the yarn, the process and apparatus substantially reduce tangles, thereby reducing breakage and random crimpless lengths produced by the pulling on the yarn caused by these tangles.
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: February 23, 1982
    Assignee: Chevron Research
    Inventor: Philip C. Feffer
  • Patent number: 4315025
    Abstract: A method for increasing the rate of weight gain and feeding efficiency of a ruminating animal which comprises including captan, captafol, folpet, or mixtures of these compounds, in the animal's roughage feed allotment in a weight-gaining-effective amount between 1 and 200 parts per million, based on the daily roughage feed allotment for the animal. Preferably the compound is captan, and preferably the amount of captan included in the roughage feed is below 150 ppm.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: February 9, 1982
    Assignee: Chevron Research
    Inventor: Michael M. Danley
  • Patent number: 4311849
    Abstract: A novel process for making 3-(N-arylamino)-gamma-butyrothiolactones from their corresponding butyrolactone analogs is disclosed. The thiolactone products are useful intermediates for making fungicidal compounds.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: January 19, 1982
    Assignee: Chevron Research
    Inventor: Stephen D. Ziman
  • Patent number: 4309801
    Abstract: An improved method and apparatus for texturizing thermoplastic yarn. The process and apparatus are characterized by a unique control system which facilitates accumulatorless operation and which allows two or more yarns to be texturized at the same time and wound on the same winder spindle. The control system is adapted to sense relative high and low yarn tension and to control tension to control wound yarn length to ensure that equal lengths of each yarn are collected (wound) on the winder spindle without over tensioning the yarn and without intermediate yarn accumulation.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: January 12, 1982
    Assignee: Chevron Research
    Inventor: Philip C. Feffer
  • Patent number: 4310463
    Abstract: 3-(N-arylamino)-gamma-butyrolactones, butyrolactams and thiobutyrolactones are intermediates for compounds having fungicidal activity.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: January 12, 1982
    Assignee: Chevron Research
    Inventor: David C. K. Chan
  • Patent number: 4308072
    Abstract: A composition comprising 50 to 98 weight percent sulfur, 0.2 to 20 weight percent of an organic compound reactive with sulfur to plasticize sulfur, 1 to 40 weight percent mica, and 0.02 to 5 weight percent phosphorus sulfide. Preferably the organic compound used to plasticize the sulfur is dicyclopentadiene or a glycol. The composition is advantageously used to coat a concrete or metal surface and thereby obtain a coated surface which is resistant to acid attack and resistant to crazing on exposure to fluctuating temperatures.
    Type: Grant
    Filed: November 1, 1978
    Date of Patent: December 29, 1981
    Assignee: Chevron Research
    Inventors: Ronald A. Schneider, Milutin Simic
  • Patent number: 4299783
    Abstract: 3-Phosphinylthio- and 3-phosphinothioylthio-1-sulfonyl propenes have fungicidal and insecticidal activity.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: November 10, 1981
    Assignee: Chevron Research Company
    Inventor: Philip S. Magee
  • Patent number: 4297124
    Abstract: N-tetrachloroethylthio-substituted halomethanesulfonamides of the formula ##STR1## wherein R is alkyl, cycloalkyl, acyl, X is fluoro, chloro, bromo or iodo and R' is tetrachloroethyl, are useful as algicides.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: October 27, 1981
    Assignee: Chevron Research Company
    Inventor: Laroy H. Edwards
  • Patent number: 4295874
    Abstract: N-trichlorovinylthio-substituted halomethanesulfonamides of the formula ##STR1## wherein R is alkyl, cycloalkyl, aryl, X is fluoro, chloro, bromo or iodo and R' is trichlorovinyl, are fungicides and algicides.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: October 20, 1981
    Assignee: Chevron Research
    Inventor: Laroy H. Edwards
  • Patent number: 4296022
    Abstract: A blend of different polypropylene resins which is particularly useful in melt-spinning fine denier yarns. The blend can be melt-extruded into pellets having better spinning properties for melt-spinning fine denier yarns than the individual resins.
    Type: Grant
    Filed: June 4, 1980
    Date of Patent: October 20, 1981
    Assignee: Chevron Research
    Inventor: Robert L. Hudson
  • Patent number: 4293985
    Abstract: Multi-filament thermoplastic bounce crimped yarns having improved fiber-fiber coherency and intermediate non-entangled yarns and methods and apparatus for making such yarns. The process is characterized by the use of a novel bounce crimper which produces a bounce crimped yarn substantially free of filament loops and filament entanglement which is then fluid vortex interlaced to produce a very fiber-fiber coherent yarn.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: October 13, 1981
    Assignee: Chevron Research Company
    Inventor: Philip C. Feffer