Patents Assigned to E
  • Patent number: 4746566
    Abstract: Novel copolyesters derived from (a) aromatic diols, (b) dicarboxylic acids and (c) aromatic hydroxycarboxylic acids, in which the aromatic hydroxycarboxylic acid component (c) comprises 20 to 60 mole % of the copolyester and in which t-butyl-4-hydroxybenzoic acid constitutes 25 to 100 mole % of the aromatic hydroxycarboxylic acid component (c), are disclosed. These copolyesters are anisotropic and fabricable in the melt. They generally can be processed using conventional thermoplastic shaping techniques at temperatures below 350.degree. C. into moldings, fibres and films which have outstanding mechanical properties.
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: May 24, 1988
    Assignee: E. I. DuPont de Nemours and Company
    Inventor: Mark S. Connolly
  • Patent number: 4746656
    Abstract: Cardiovascular activity is exhibited by compounds having the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein R.sub.1 is aryl or heterocyclo;R.sub.2 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, --(CH.sub.2).sub.n --Y.sub.1, or halo substituted alkyl;R.sub.3 is hydrogen, alkyl, cycloalkyl, aryl, heterocyclo, --(CH.sub.2).sub.n --Y.sub.2, --(CH.sub.2).sub.p --Y.sub.3, or halo substituted alkyl;R.sub.4 is hydrogen, alkyl, alkenyl, alkynyl, --(CH.sub.2).sub.n --Y.sub.2, --(CH.sub.2).sub.p --Y.sub.3, halo substituted alkyl, or ##STR2## Y.sub.1 is cycloalkyl, aryl, heterocyclo, hydroxyl, alkoxy, aryl--(CH.sub.2).sub.m --O--, mercapto, alkylthio, aryl--(CH.sub.2).sub.m --S--, amino, substituted amino, carbamoyl, ##STR3## Y.sub.2 is cycloalkyl, aryl, heterocyclo, carbamoyl, ##STR4## Y.sub.3 is hydroxyl, alkoxy, aryl--(CH.sub.2).sub.m --O--, mercapto, alkylthio, aryl--(CH.sub.2).sub.m --S--, ##STR5## amino, or substituted amino; Y.sub.4 is alkyl, cycloalkyl, aryl, heterocyclo, --(CH.
    Type: Grant
    Filed: July 21, 1986
    Date of Patent: May 24, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Karnail Atwal
  • Patent number: 4746262
    Abstract: An apparatus in the form of a trailer for handling and transporting, in a fully assembled state, a machine having a double frame such as a conventional concrete finishing machine is disclosed. The apparatus features a chassis, a scissors lift mounted on the chassis and a pair of spaced guideways for supporting a double frame thereon rotatably attached to the upper end of the lift. Eye hooks for locking the guideways relative to the chassis to prevent rotation of the guideways while the apparatus is in transport are also disclosed. The disclosed apparatus also features a pair of plates slidably carried in the guideways and an adjustable worm gear assembly for moving the plates within the guideways to transfer the load represented by double frame when loading or unloading the same.
    Type: Grant
    Filed: July 15, 1986
    Date of Patent: May 24, 1988
    Assignee: E. H. Hughes Co., Inc.
    Inventor: Roger K. Anderson
  • Patent number: 4744989
    Abstract: A method is provided for preparing stable liposome precursors in the form of a water-soluble carrier material coated with a predetermined amount of a thin film of liposome components, which method includes the steps of dissolving at least one liposome-forming amphipathic lipid, optionally, at least one biologically active compound, and, optionally, at least one adjuvant in a suitable organic solvent and employing the resulting organic solution to coat a suitable water-soluble carrier material to form thin film of predetermined amount of liposome components thereon. Upon exposing the coated carrier material to water, the thin films of liposome components hydrate and the carrier material dissolves to give liposome preparations.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: May 17, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Nicholas I. Payne, Peter Timmins, Cheryl V. Ambrose
  • Patent number: 4745147
    Abstract: A curable composition comprising chlorinated polyethylene containing 20 to 50 weight percent chlorine, from 0.75 to 3 parts per 100 parts by weight chlorinated polyethylene of a polymercapto compound such as 2,5-dimercapto-1,3,4-thiadiazole, from 0.5 to 20 parts by weight per 100 parts by weight chlorinated polyethylene of an acid acceptor such as magnesium oxide, from 0.25 to 10 parts by weight per 100 parts chlorinated polyethylene of a polyhydric alcohol. Preferably the composition contains an initiator which is an amine, quaternary ammonium compound or a phosphonium compound.
    Type: Grant
    Filed: October 24, 1986
    Date of Patent: May 17, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Wolfgang Honsberg
  • Patent number: 4745113
    Abstract: Compounds of the general formula ##STR1## in which each of A and B independently represents a halogen atom or an alkyl group; m is 0 or 1; Q represents a group of general formula ##STR2## in which R is as defined, or Q represents a group of general formula --CR.sup.2 R.sup.3 R.sub.4 in which R.sup.2, R.sup.3 and R.sup.4 are as defined; together with processes for the preparation of such compounds, pesticidal compositions containing them and their pesticidal use, and certain novel intermediates.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: May 17, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Martin Anderson, Anthony G. Brinnand
  • Patent number: 4745196
    Abstract: This invention is directed to orally active antihypertensive agents of the formula ##STR1## wherein R.sub.1 is certain alkyl or aralkyl groups.
    Type: Grant
    Filed: January 6, 1986
    Date of Patent: May 17, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Donald S. Karanewsky, Edward W. Petrillo, Jr.
  • Patent number: 4745202
    Abstract: Aerocavin, a novel antibiotic substance having the structure ##STR1## and aerocyanidin, a novel antibiotic substance having the structure ##STR2## can be prepared by cultivation of the microorganism Aerocavin caviae SC 14,030 A.T.C.C. No. 53434.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: May 17, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Wen-Chih Liu, William L. Parker, Pushpa Singh, Richard B. Sykes
  • Patent number: 4744847
    Abstract: A process is disclosed for separating a series of substrate elements laminated with a supported photosensitive composition whereby the support is weakened by heating in a line pattern along abutting edges of the substrate prior to pulling the laminated substrates apart.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: May 17, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Tit-Keung Lau
  • Patent number: 4744816
    Abstract: Herbicidal sulfonamides such as 2-[[[4-(methylamino)-6-(2,2,2-trifluoroethoxy)-1,3,5-triazin-2-yl]aminocar bonyl]aminosulfonyl]benzoic acid, methyl ester are useful as herbicides and plant growth regulants.
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: May 17, 1988
    Assignee: E. I. DuPont de Nemours and Company
    Inventors: Martha M. Bolinski, Donald J. Dumas
  • Patent number: 4744076
    Abstract: A data transmission bus arrangement in which the transceiver arrays through which a main bus communicates with functional circuit modules are physically disposed on the same substrate that carries the bus.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: John G. Elias
  • Patent number: 4743295
    Abstract: Thiocarbonylsulfonylureas, useful as herbicides and plant growth regulants, herbicidal compositions employing these compounds and methods of applying them to soil or directly to plants have been discovered.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Wallace C. Petersen
  • Patent number: 4743292
    Abstract: The invention relates to certain pyrazole sulfonamide compounds having haloalkenyl substituents ortho to the sulfonylurea linkage.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Barry A. Wexler, Donna F. Zimmerman
  • Patent number: 4743658
    Abstract: A tetrafluoroethylene/perfluoro(alkyl vinyl)ether copolymer substantially free of unstable end groups and extractable fluoride that cause corrosion of metal surfaces.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John F. Imbalzano, Dewey L. Kerbow
  • Patent number: 4743492
    Abstract: A coated article comprising a primer layer and a topcoat is disclosed. The primer comprises 65-95 weight percent of an acrylic copolymer containing 1-10 weight percent repeating units of the structure ##STR1## where n is 1-6, --R is --H or --CH.sub.3, and R' and R" are independently H or alkyl groups having 1-6 carbon atoms, from 75-99 weight percent repeating units of the structure ##STR2## where R is --H or an alkyl group containing up to 18 carbon atoms, 0 to 15 weight percent repeating units of the structure ##STR3## and from 5-35 weight percent of an epoxy compound of the structure wherein --R" is --H or --F and x and y are integers of from 1-18. The topcoat is polyvinyl fluoride. The primer layer is from 0.1-0.5 mil in thickness and the topcoat is from 0.1-10.0 mils in thickness. The primer is applied, dried, and then the topcoat is applied.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Joseph D. C. Wilson, II
  • Patent number: 4743290
    Abstract: Thiophenesulfonamides of the formula ##STR1## are useful as herbicides.
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Joel R. Christensen, John Cuomo, George Levitt
  • Patent number: 4743189
    Abstract: A hollow fiber which contains within the hollow a co-spun hollow or solid filament. The solid filament is formed of polymer that can distribute energy within the hollow fiber while a co-spun hollow inner filament can also act as a vessel for transportation or separation of fluids. Spinnerets for co-spinning such filaments are of one piece construction.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Harry V. Samuelson
  • Patent number: 4743346
    Abstract: A plating bath and process for electroplating coatings of palladium nickel alloys on a conductive substrate at current densities in the range of 10 amps/sq. ft. to 150 amps/sq. ft. wherein the palladium content of the alloy remains substantially constant despite current density variations during plating. The alloy composition stability is acheived by adding at least about 15 parts per million of iodide ions to the plating bath.
    Type: Grant
    Filed: July 1, 1986
    Date of Patent: May 10, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Arthur H. Graham, Kenneth B. Keating
  • Patent number: 4743685
    Abstract: Antibacterial activity is exhibited by 2-azetidinones having a 3-acylamino substituent and having an activating group in the 1-position of the formula ##STR1##
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: May 10, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Hermann Breuer, Uwe D. Treuner, William H. Koster, Robert Zahler
  • Patent number: 4743697
    Abstract: A process is provided for preparing a 7-oxabicycloheptane amino alcohol intermediate of the general structure ##STR1## which is useful in preparing thromboxane A.sub.2 receptor antagonists. This intermediate is prepared by reacting mesonhydride with an aryl amine ##STR2## wherein R is alkyl, CH.sub.2 OH, CO.sub.2 H or CO.sub.2 alkyl, to form the acid ##STR3## which is reduced by treatment with lithium aluminum hydride or diisobutylaluminum hydride or Red-Al to form the alcohol ##STR4## wherein R.sup.1 is CH.sub.2 OH when R is CO.sub.2 H, CO.sub.2 alkyl or CH.sub.2 OH, and R.sup.1 is alkyl when R is alkyl; where in the above alcohol R.sup.1 is CH.sub.2 OH, such alcohol compound is treated with an alkyl chloroformate in the presence of base such as an alkali metal alkoxide to form the alcohol ##STR5## which undergoes cleavage by treatment with alkali metal, ammonia and acid to form the amino alcohol intermediate.Where in the above alcohol R.sup.
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: May 10, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: John K. Thottathil