Patents by Inventor William Dowd

William Dowd has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140379369
    Abstract: In one aspect, disclosed is a system including a first data acquisition device configured to be coupled to the patient to acquire clinical data and a patient-assigned monitor coupled to the first data acquisition device that includes a first wireless communication module and a monitor identification code. The system also includes an ambulatory patient device having an identification code reader configured to capture the monitor identification code, a second data acquisition device configured to acquire clinical data from the patient and a second wireless communication module. Capture of the monitor identification code by the identification code reader automatically initiates wireless pairing between the patient-assigned monitor and the ambulatory patient device. Related apparatus, systems, methods and/or articles are described.
    Type: Application
    Filed: January 4, 2012
    Publication date: December 25, 2014
    Applicant: Draeger Medical Systems, Inc.
    Inventors: Georgios Kokovidis, Randolph Prydekker, William Dowd
  • Patent number: 5427766
    Abstract: A method for detection and localization of tissues having estrogen receptors during surgery is disclosed. The method involves administering an effective amount of an estradiol derivative labeled with a radionuclide to a patient and then delaying surgery for a time interval for permitting the labeled estradiol derivative to localize in the tissue. Thereafter, an operative field of the animal is surgically accessed an the tissue within the operative filed examined with a probe to detect photon emission from the labeled estradiol derivative.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: June 27, 1995
    Assignee: The Dow Chemical Company
    Inventor: William Dowd
  • Patent number: 4237304
    Abstract: 1-Aryl-1-hydroxy-2-methylaminopropanes are rearranged from the erythro isomer to the threo isomer by the process of (1) forming the O,N-diacyl derivative of the arylpropanolamine; (2) reacting the product of step (1) with an anhydrous or substantially anhydrous protic acid (thereby forming a novel oxazolinium salt); and (3) reacting the oxazolinium salt from step (2) with an aqueous protic acid. The threo isomer of the arylpropanolamine is thus produced as an amine/acid salt. This salt can be further purified, if desired, by neutralizing the acid/amine salt with caustic isolating the free amine and reprotonating the free base in isopropanol with, for example, anhydrous HCl. This process is particularly applicable to manufacture of d-pseudoephedrine from 1-ephedrine.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: December 2, 1980
    Assignee: The Dow Chemical Company
    Inventors: William Dowd, Richard C. Krauss, Edward R. Freiter
  • Patent number: 4186270
    Abstract: Pure 2-(4-isobutylphenyl)propionic acid and related compounds are obtained in good yield by a multi-step process comprising chloromethylation of benzene or an alkylbenzene, conversion of the resulting benzyl chloride to the cyanide, alkylation of that product to the phenylpropionitrile or phenylbutyronitrile, reaction of unreacted benzyl cyanide with an aldehyde to inhibit its hydrolysis, and hydrolysis of the nitrile to the free acid. The products are antiinflammatory, antipyretic, and analgesic drugs.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: January 29, 1980
    Assignee: The Dow Chemical Company
    Inventors: William Dowd, David H. Naffziger
  • Patent number: 4174352
    Abstract: A process for preparing an allylic or an aromatic aldehyde, such as acrolein or benzaldehyde, the process comprising contacting in a basic, liquid, biphasic mixture and at reactive conditions an allylic halide or a halomethylated aromatic, such as allyl or benzyl chloride, with a divalent chromate ion, is improved by contacting the allylic halide or halomethylated aromatic with the divalent chromate ion in the presence of a catalytic amount of a quaternary ammonium and/or phosphonium salt, such as tetra-n-butylammonium chloride. The improved process is faster, cleaner and more complete than the process of the prior art.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: November 13, 1979
    Assignee: The Dow Chemical Company
    Inventors: Thomas H. Fisher, William Dowd
  • Patent number: 4144265
    Abstract: Quaternary ammonium salts, such as methyl tributyl ammonium chloride, are novel catalysts in a nitrile-forming reaction which comprises stirring together aqueous sodium cyanide and the undistilled m-trifluoromethyl benzyl chloride product of the reaction of chloromethyl methyl ether, chlorosulfonic acid and trifluoromethyl benzene from which chloromethyl ether impurities, methanol, water and some of the unreacted trifluoromethyl benzene are removed. The process is conducted under alkaline conditions in a two-phase liquid reaction medium. m-Trifluoromethyl benzyl nitrile is prepared in excellent yields and purity.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: March 13, 1979
    Assignee: The Dow Chemical Company
    Inventors: William Dowd, Thomas H. Fisher
  • Patent number: 4014880
    Abstract: The reaction of 2-oxazolines with 1,2- or 1,3-alkylenediamines to form 2-imidazolines or 1,4,5,6-tetrahydropyrimidines is catalyzed by Lewis acids.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: March 29, 1977
    Assignee: The Dow Chemical Company
    Inventors: William Dowd, Peter W. Owen