Patents Represented by Attorney S. R. LaPaglia

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  • Fungicidal substituted N-(1-iodopropargyl)thiazolidinones
    Patent number: 4639460
    Abstract: Compounds of the formula: ##STR1## wherein R is hydrogen, lower alkyl; or aryl or aralkyl having from 6 to 12 carbon atoms, optionally substituted with one to three substituents, each independently selected from halogen, cyano, lower alkyl, lower alkoxy, nitro or trihalomethyl; R.sup.1 is alkyl having from 1 to 12 carbon atoms, cycloalkyl having from 3 to 8 carbon atoms; aryl or aralkyl having from 6 to 12 carbon atoms optionally substituted with one to three substituents, each independently selected from halogen, cyano, lower alkyl, lower alkoxy, nitro, trihalo-substituted methyl, phenyl, phenoxy, substituted phenoxy substituted with 1 to 3 substituents independently selected from halogen, lower alkyl, lower alkoxy or trihalomethyl, benzyloxy, lower alkylthio, lower alkylsulfinyl, lower alkylsulfonyl, arylthio (C.sub.6 to C.sub.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: January 27, 1987
    Assignee: Chevron Research Company
    Inventor: Bernard F. Rose
  • Method for producing industrial asphalts
    Patent number: 4639307
    Abstract: Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing:(a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees Fahrenheit and wherein the feed petroleum residuum forms a single phase when mixed with 5 percent ferric chloride; and(b) from about 0.1 to 20.0 percent by weight of ferric chloride, said mixing being done at a temperature in the range of 351 to 600 degrees Fahrenheit, whereby the softening point of the feed is substantially increased and the penetration is significantly decreased.
    Type: Grant
    Filed: August 31, 1984
    Date of Patent: January 27, 1987
    Assignee: Chevron Research Company
    Inventor: Judson E. Goodrich
  • Barbed anchor pile
    Patent number: 4637757
    Abstract: A method and apparatus for a barbed anchor pile is described in which a pile, having horizontally placed barbs, is driven into the seafloor. Once it is buried to a predetermined depth, the barbs are spread outward into the surrounding soil to ensure that the pile will not be pulled out by uplift loads.
    Type: Grant
    Filed: October 12, 1984
    Date of Patent: January 20, 1987
    Assignee: Chevron Research Company
    Inventor: Paul M. Aagaard
  • Process of tuning a grated optical fiber and the tuned optical fiber
    Patent number: 4636031
    Abstract: A tuned optical fiber grating and a tuning process is disclosed. The gratings on the optical fiber ar tuned so that the reflectance of the grating can occur at a specific wavelength. The process involves encasing that portion of the fiber containing the grating while shining light of the wavelength of desired reflectance through the fiber and stretching the grating until reflectance occurs. Thereafter, the tuned grating is sealed within a tube formed around the tuned grating.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: January 13, 1987
    Assignee: Chevron Research Company
    Inventors: Donald C. Schmadel, Jr., Jack E. Goodman
  • Process for removing naphthenic acids from petroleum distillates
    Patent number: 4634519
    Abstract: Process for extracting naphthenic acids from petroleum distillates having ASTM acid numbers of at least 0.2. The process uses a solvent system comprising liquid alkanols, water, and ammonia in certain critical ratios, which facilitates the selective extraction of naphthenic acids and easy separation of the solvent and extract from the extracted petroleum distillates.
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: January 6, 1987
    Assignee: Chevron Research Company
    Inventor: Mitchell Danzik
  • Submerged marine streamer locator
    Patent number: 4635236
    Abstract: Method and means are provided for determining the position of a submerged marine streamer towed behind an exploration vessel. An array of sets of at least three transponders secured to the ocean floor generate distinguishable acoustic pulses upon a command signal. These signals are received by receivers housed in the streamer. The position to each receiver may be triangulated from the data generated.
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: January 6, 1987
    Assignee: Chevron Research Company
    Inventor: F. Alex Roberts
  • Normally liquid C.sub.14 to C.sub.18 monoalkyl catechols
    Patent number: 4632771
    Abstract: This invention relates to normally liquid lubricating oil additives which provide both anti-oxidant and friction-modifying properties when added to lubricating oil. In particular, this invention relates to C.sub.14 to C.sub.18 alkyl catechol lubricating oil additives which are normally liquid at typical storage temperatures.
    Type: Grant
    Filed: March 14, 1985
    Date of Patent: December 30, 1986
    Assignee: Chevron Research Company
    Inventors: Thomas V. Liston, Warren Lowe, Vernon R. Small
  • Resistive hydrocarbon leak detector
    Patent number: 4631952
    Abstract: An apparatus and method for sensing organic liquids, vapors and gases which includes a resistivity sensor means comprising an intimate admixture of conductive particles and a material capable of swelling the presence of the liquid, gas or vapor to be detected and an electrical contact thereto.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: December 30, 1986
    Assignee: Chevron Research Company
    Inventor: Lee F. Donaghey
  • Glycidol modified succinimides and fuel compositions containing the same
    Patent number: 4631070
    Abstract: Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are alkenyl or alkyl succinimides which have been modified by treatment with glycidol.
    Type: Grant
    Filed: June 3, 1986
    Date of Patent: December 23, 1986
    Assignee: Chevron Research Company
    Inventor: Frank Plavac
  • Method for improving fuel economy of internal combustion engines
    Patent number: 4629577
    Abstract: Lubricating oils containing borated alkyl catechols and a succinimide have been found to reduce fuel consumption in an internal combustion engine.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: December 16, 1986
    Assignee: Chevron Research Company
    Inventor: Thomas V. Liston
  • Method for improving fuel economy of internal combustion engines using borated 1,2-alkanediols
    Patent number: 4629576
    Abstract: Lubricating oils containing borated long-chain 1,2-alkane diols have been found to reduce fuel consumption in an internal combustion engine.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: December 16, 1986
    Assignee: Chevron Research Company
    Inventor: Vernon R. Small, Jr.
  • Method for producing industrial asphalts without air-blowing using zinc chloride
    Patent number: 4629510
    Abstract: Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing:(a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees Fahrenheit and wherein the feed forms a single phase when mixed with 5 weight percent zinc chloride; and(b) from about 0.1 to 20.0 percent by weight of zinc chloride, said mixing being done at a temperature in the range of 351 to 600 degrees Fahrenheit, whereby the softening point of the feed is substantially increased and the penetration is significantly decreased.
    Type: Grant
    Filed: October 31, 1984
    Date of Patent: December 16, 1986
    Assignee: Chevron Research Company
    Inventor: Judson E. Goodrich
  • Succinimide complexes of borated alkyl catechols and lubricating oil compositions containing same
    Patent number: 4629578
    Abstract: Lubricating oils containing borated alkyl catechols-succinimide complex are effective in reducing fuel consumption in an internal combustion engine.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: December 16, 1986
    Assignee: Chevron Research Company
    Inventor: Thomas V. Liston
  • Subsea drilling and production system for use at a multiwell site
    Patent number: 4625806
    Abstract: A subsea drilling and production system where the production unit is removably connected onto a drilling template and operatively connected to one or more Christmas trees so that the production unit may be disconnected from the trees and removed from the template without first removing any of the trees and so that any of the trees may be disconnected from the production unit and removed from the underwater site without removing the production unit.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: December 2, 1986
    Assignee: Chevron Research Company
    Inventor: William H. Silcox
  • Preparation of magadiite
    Patent number: 4626421
    Abstract: A method for preparing magadiite is described wherein the reaction mixture for crystallization thereof contains as a promoter, a hydrocarbon substituted urea or amide. The magadiite prepared according to this method may act as a source of silica in preparing crystalline zeolites or molecular sieves.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: December 2, 1986
    Assignee: Chevron Research Company
    Inventor: Stacey I. Zones
  • Dispersant additives for lubricating oils and fuels
    Patent number: 4624681
    Abstract: Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are additives prepared by first reacting a polyamine with a cyclic carbonate followed by reaction of this intermediate with an alkenyl or alkyl succinic anhydride.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: November 25, 1986
    Assignee: Chevron Research Company
    Inventor: Robert H. Wollenberg
  • Catalyst system for use in a distillation column reactor
    Patent number: 4624748
    Abstract: A novel catalyst system for use in a distillation column reactor is disclosed including annularly-defined spaces within the reactor comprised of vapor-permeable material with packed catalyst and alternately positioned vapor barrier means.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: November 25, 1986
    Assignee: Chevron Research Company
    Inventor: Willard M. Haunschild
  • Method and means for storing a marine riser
    Patent number: 4624318
    Abstract: A method and means for storing a marine riser is disclosed for relocating an offshore mobile unit from a drilling or production site. The riser is disconnected from a subsea port and lowered into an auxiliary borehole. Means are provided for the lowering and raising of the marine riser and positioning of same.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: November 25, 1986
    Assignee: Chevron Research Company
    Inventor: Paul M. Aagaard
  • Method for producing industrial asphalts without air-blowing using maleic anhydride
    Patent number: 4623395
    Abstract: Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing:(a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees Fahrenheit and wherein the feed material forms a single phase when mixed with 5 weight percent maleic anhydride; and(b) from about 0.1 to 20.0 percent by weight of maleic anhydride, said mixing being done at a temperature in the range of 351 to 600 degrees Fahrenheit, whereby the softening point of the feed is substantially increased and the penetration is significantly decreased.
    Type: Grant
    Filed: October 31, 1984
    Date of Patent: November 18, 1986
    Assignee: Chevron Research Company
    Inventor: Judson E. Goodrich
  • Hydraulic fluid system with piston and vane pumps
    Patent number: 4622157
    Abstract: In a hydraulic system containing a piston-type and vane-type pump and wherein said piston-type pump contains wear surfaces containing copper or a copper alloy and the vane-type pump contains wear surfaces containing steel, the improvement comprising utilizing a common sump for the hydraulic fluid used in said piston and vane pumps, said hydraulic fluid composition comprising a major amount of an oil of lubricating viscosity and 0.1 to 2.5 weight percent of a zinc dithiophosphate and 0.01 to 5.0 weight percent of a sulfurized ester-olefin containing at least 13 weight percent sulfur.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: November 11, 1986
    Assignee: Chevron Research Company
    Inventor: Robert L. Peeler