Patents by Inventor David A. Spivak

David A. Spivak 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).

  • Edible pet dental treat
    Patent number: 11224203
    Abstract: An edible pet dental treat comprised of a substantially hard edible material formed into ribs having channel portions for cleaning pet teeth as it is being chewed. The edible treat is comprised of a plurality of ribs/channels formed on two sides of a bulb portion. The present invention also has first and second end portions with protrusions for massaging and scraping the tongue of the pet.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: January 18, 2022
    Assignee: LOVING PETS CORPORATION
    Inventors: David Spivak, Eric Abbey
  • EDIBLE PET DENTAL TREAT
    Publication number: 20180271061
    Abstract: An edible pet dental treat comprised of a substantially hard edible material formed into ribs having channel portions for cleaning pet teeth as it is being chewed. The edible treat is comprised of a plurality of ribs/channels formed on two sides of a bulb portion. The present invention also has first and second end portions with protrusions for massaging and scraping the tongue of the pet.
    Type: Application
    Filed: March 21, 2017
    Publication date: September 27, 2018
    Inventors: David Spivak, Eric Abbey
  • Vitamin E conjugates, and their uses as antioxidants and prodrug delivery vehicles
    Patent number: 9220787
    Abstract: Tocopherol conjugates are disclosed that are useful as antioxidants or as pro-drug delivery vehicles. The conjugates are amphiphilic, and tend to localize at the interface between water domains and lipid domains. A prototype embodiment disclosed is an alpha tocopherol-linker-carnosine conjugate that has been designated VECAR.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: December 29, 2015
    Assignee: Board of Supervisors of Louisiana State University And Agricultural and Mechanical College
    Inventors: Cristina M. Sabliov, Carlos E. Astete, David Spivak
  • Vitamin E Conjugates, and Their Uses as Antioxidants and Prodrug Delivery Vehicles
    Publication number: 20130210702
    Abstract: Tocopherol conjugates are disclosed that are useful as antioxidants or as pro-drug delivery vehicles. The conjugates are amphiphilic, and tend to localize at the interface between water domains and lipid domains. A prototype embodiment disclosed is an alpha tocopherol-linker-carnosine conjugate that has been designated VECAR.
    Type: Application
    Filed: May 18, 2011
    Publication date: August 15, 2013
    Inventors: Cristina M. Sabliov, Carlos E. Astete, David Spivak
  • Method and system for structured finance using deferrable preferred securities
    Publication number: 20050192882
    Abstract: The invention provides a system and method for structured finance wherein a company forms an entity Sub and capitalizes it with equity. The Sub purchases perpetual preferred shares that are issued by the company. The Sub issues notes which are purchased by investors. The company provides a financial guarantee of the notes.
    Type: Application
    Filed: February 9, 2005
    Publication date: September 1, 2005
    Inventors: Matt Butler, David Spivak, Stan Krutonogiy
  • Palladium-catalyzed cross-coupling of aryldiazonium salts with arylsilanes
    Patent number: 6838585
    Abstract: A palladium catalyzed cross-coupling of aryldiazonium salts with organosilanes is disclosed. New reactions that are user friendly and environmentally friendly are now possible, including some reactions that could not be achieved using prior methods. The organosilanes that may be cross-coupled with aryldiazonium salts include, for example, Ar?—Si(L)3, where Ar?=aryl, and where L?CH3, OCH3, F, Cl, R, or OR.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: January 4, 2005
    Assignee: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventor: David A. Spivak
  • Palladium-catalyzed cross-coupling of aryldiazonium salts with arylsilanes
    Publication number: 20030120124
    Abstract: A palladium catalyzed cross-coupling of aryldiazonium salts with organosilanes is disclosed. New reactions that are user friendly and environmentally friendly are now possible, including some reactions that could not be achieved using prior methods. The organosilanes that may be cross-coupled with aryldiazonium salts include, for example, Ar′—Si(L)3, where Ar′=aryl, and where L=CH3, OCH3, F, Cl, R, or OR.
    Type: Application
    Filed: November 8, 2001
    Publication date: June 26, 2003
    Inventor: David A. Spivak
  • Variable resistance device
    Patent number: 3995248
    Abstract: A variable resistor includes a low-friction contact such as a ball or roller, which may be stabilized by a magnet or trough.
    Type: Grant
    Filed: June 14, 1974
    Date of Patent: November 30, 1976
    Assignee: Inventures, Inc.
    Inventor: David Spivak
  • Pet dental treat
    Patent number: D821695
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: July 3, 2018
    Assignee: Loving Pets Corporation
    Inventors: David Spivak, Eric Abbey
  • Personal communication device
    Patent number: D871359
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: December 31, 2019
    Assignee: MEDEQUIP SUPPLY CORP.
    Inventors: Kenneth Hochbrueckner, David Spivak, Jasun Fiorentino