Patents Represented by Law Firm Jackson and Chovanes
  • Patent number: 3969210
    Abstract: The invention comprises an improved electrolytic cell of the Keidel type, U.S. Pat. No. 2,830,945, in which the original set of electrodes is replaced by two sets having a ratio of length of not less than 3 to 1 and having independent terminals and independent bodies coupled together. The invention also may comprise potting the element including the longer set of electrodes and leaving the element including the shorter set of electrodes unpotted.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: July 13, 1976
    Inventor: Gustav Bergson
  • Patent number: 3957764
    Abstract: The invention relates to hitherto unknown derivatives of 6-aminopenicillanic acids of the formula ##SPC1##In which R.sub.1 and R.sub.2 are similar or different aliphatic, cycloaliphatic, aromatic or heterocyclic substituents linked directly or through alkyl groups to the nitrogen atom, or R.sub.1 and R.sub.2 together with the nitrogen atom form a heterocyclic ring, and R.sub.3 is a hydroxyl or substituted hydroxyl group; to pharmaceutically acceptable salts, and to methods for producing these new compounds having a strong antibacterial effect, especially on gram-negative bacteria, to pharmaceutical preparations in dosage unit forms containing the compounds of the invention solely, or in synergistic mixtures with penicillins, and to methods of treating patients with the dosage units.
    Type: Grant
    Filed: November 6, 1972
    Date of Patent: May 18, 1976
    Assignee: Lovens Kemiske Fabrik Produktionsaktieselskab
    Inventor: Frantz Johannes Lund
  • Patent number: 3956279
    Abstract: The present invention relates to pivaloyloxymethyl D(-)-.alpha.-aminobenzylpenicillinate of the formula I in a novel and improved form, i.e. the crystalline form ##SPC1##To methods of producing said crystalline pivaloyloxymethyl D(-)-.alpha.-aminobenzylpenicillinate and to pharmaceutical preparations containing said crystalline pivaloyloxymethyl D(-)-.alpha.-aminobenzylpenicillinate.Crystalline pivaloyloxymethyl D(-)-.alpha.-aminobenzylpenicillinate has no bitter taste, is only slightly soluble in water, and is stable and readily absorbable.
    Type: Grant
    Filed: September 21, 1973
    Date of Patent: May 11, 1976
    Assignee: Leo Pharmaceutical Products Ltd.
    Inventors: Ernst Torndal Binderup, Hans Jorgen Petersen, Sven Liisberg
  • Patent number: 3954735
    Abstract: The invention relates to a series of new compounds, to salts of these compounds and to methods for the preparation of the compounds. The new compounds have the general formula: ##EQU1## in which n is an integer from 0 to 5; and A is selected from the group consisting of an unsubstituted or substituted aliphatic, alicyclic, aromatic and heterocyclic radical.The compounds of the invention are broad-spectrum antibiotics especially usable for oral administration.
    Type: Grant
    Filed: June 7, 1971
    Date of Patent: May 4, 1976
    Assignee: Lovens kemiske Fabrik Produktionsaktieselskab
    Inventor: Welf von Daehne
  • Patent number: 3953141
    Abstract: The invention relates to a new lock for the inner race of a self-aligning bushing to a shaft.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: April 27, 1976
    Assignee: Roller Bearing Company of America
    Inventor: Hans W. Koch
  • Patent number: 3950376
    Abstract: Compounds of the general formula ##SPC1##In which R.sub.1 represents a straight or branched C.sub.1 -C.sub.6 alkyl, alkenyl or alkynyl radical, or a C.sub.1 -C.sub.3 alkyl radical substituted with phenyl, halophenyl, trifluoromethylphenyl, (lower alkoxy)phenyl, or with a 5-membered or 6-membered heterocyclic ring containing not more than two heteroatoms selected from the group consisting of oxygen, sulphur and nitrogen; R.sub.2 stands for a phenyl radical, optionally being substituted with halogen, lower alkyl, hydroxy, or lower alkoxy; X and Y stand for oxygen or sulphur; their salts and esters and methods for their preparation.The compounds of the invention possess an outstanding diuretic and saluretic activity with a very low excretion of potassium ions and a low toxicity.
    Type: Grant
    Filed: June 18, 1973
    Date of Patent: April 13, 1976
    Assignee: Leo Pharmaceutical Products Ltd. A/S
    Inventors: Peter Werner Feit, Ole Bent Tvaermose Nielsen, Herta Bruun
  • Patent number: 3948246
    Abstract: The invention concerns heaters, particularly for sports benches and more especially for the benches on which substitute players of the team sit during games. In the preferred form, a self-contained heater such as a combustion operated construction heater with blower produces the heat behind the bench, and the heat is conducted through a conduit into the space beneath the bench, and then through a T-conduit in either direction to points from which it is distributed. The space beneath the bench confines the heat on the front, back, sides and bottom. Heat is distributed through openings in the top of the bench toward the back, and also through openings in the front of the bench, which may be at the top of the front of the bench and at the bottom of the bench. In a less preferred embodiment, heaters may be in spaces continuous with the bench.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: April 6, 1976
    Inventor: John F. Jenkins
  • Patent number: 3947215
    Abstract: The method of burning fume, including combustible gases and gas-borne particles, comprising moving the fume in a tube having a blind end and one or more slits in the tube short of the end, while the fume is at least partially at ignition temperature, and emitting the fume into the air, the slit width and the slit total area being chosen such that the fume velocity through the slits will be more than the flame velocity and up to the flame blow-out velocity. The device includes a tube having a closed end and slits having a width between one-eighth and 1 inch and preferably about five-eighths inch, and a length of between one-eighth and one-half of the circumference.
    Type: Grant
    Filed: January 7, 1975
    Date of Patent: March 30, 1976
    Assignee: Aluminum Company of America
    Inventors: Richard W. Peterson, L. Graydon Carpenter, Raymond Kastelic
  • Patent number: 3941551
    Abstract: A dual outlet extrusion flat film die assembly for various thermo-extrudable materials includes split manifold chambers separated from each other by a rigid centerplate. Each portion of the die in the direction behind the flow materials includes a heat sink slot behind the manifold. Each manifold tapers toward its own die mouth; has separate melt inlets adapted for center, top or end feed operations; has separate pre-land and final land surfaces leading to individual outlet openings for precise control of melt flow; and has separate heat control means allowing precise temperature control for each melt as it flows throughout the die. Temperature differentials ranging from O.degree. to 200.degree.F. are obtainable between the extruded layers. A differential push-pull adjustment system for each movable lip of each outlet opening includes opposed alternatingly staggered thimble bolts to precise control of each individual layer profile.
    Type: Grant
    Filed: January 22, 1974
    Date of Patent: March 2, 1976
    Inventor: George J. Marion
  • Patent number: 3941550
    Abstract: A multiple outlet flat film die apparatus and process which extrude separate streams of material to form any of various composites which may involve joining of similar or dissimilar materials, which includes individual manifold chambers separated from each other by heat insulating means inbetween. The heat insulating means in between such as for example heat insulating material between plates retards heat transfer between the materials. Each manifold is tapered toward its own die mouth; has separate melt inlets adapted for center, top and/or end feed operations; has separate pre-land and final land surfaces leading to individual outlet openings for precise control of melt flow; and has separate heat control means allowing precise temperature control for each melt as it flows toward the die. Temperature differentials may be extensive and may approach the difference between the original temperature of the melt delivered to each manifold. Heat differentials of 0.degree. to 200.degree.F. are an example.
    Type: Grant
    Filed: January 22, 1974
    Date of Patent: March 2, 1976
    Inventor: George J. Marion
  • Patent number: 3937866
    Abstract: A striking process for a plasma beam at high temperature which includes an enclosure between two torches located at opposite sides of the enclosure and outside the enclosure, a stick-electrode introduced lengthwise through a window of one of the torches and brought near the opposite torch until the plasma flame hooks to the stick-electrode, thereby closing between the nozzle and the stick-electrode the circuit of a superimposed current, then pulling the stick-electrode progressively from the enclosure, carrying with it the plasma beam until it meets a second torch which is energized at the very moment of extraction of the stick-electrode, and then disconnecting the stick and closing the laminar plasma flow circuit.
    Type: Grant
    Filed: September 3, 1974
    Date of Patent: February 10, 1976
    Assignee: La Soudure Electrique Autogene, Procedes Arcos
    Inventors: Jean Albert Sunnen, Henry Rene Schoumaker
  • Patent number: 3936654
    Abstract: Arc welding and overlaying, particularly with strip electrodes, and particularly for overlaying by the submerged arc welding process with strip electrodes, can be regulated as to the distribution of arc energy by using strip electrodes which are run through male and female gears so that the current input of the electrodes is adjusted as to uniformity across the width of the overlay path.
    Type: Grant
    Filed: April 5, 1974
    Date of Patent: February 3, 1976
    Assignee: La Soudure Electrique Autogene, Procedes Arcos
    Inventor: Ugo Cannata