Patents by Inventor Laszlo Kulcsar

Laszlo Kulcsar 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: 20050097039
    Abstract: According to one aspect of the invention, a method for coordinating the management of credit between an Internet user and a plurality of lending institutions via the Internet, includes the steps of receiving account information on at least one credit account from the plurality of lending institutions or the Internet user, storing the account information in a database, receiving selection criteria from the Internet user specifying conditions under which each of the at least one credit account is authorized to be used, receiving from a merchant a request for authorization of a transaction, processing the request including selecting one of the at least one credit account to be used for the transaction, transmitting the account information corresponding to the selected account to the lending institution associated with the selected account, receiving an authorization status from the lending institution, selecting a different account to request authorization from the lending institution associated with the selecte
    Type: Application
    Filed: November 5, 2003
    Publication date: May 5, 2005
    Inventors: Laszlo Kulcsar, Gwenda Kulcsar
  • Patent number: 4490539
    Abstract: A process for the preparation of 1,2,4-triazole by reacting hydrazine, formic acid and formamide and/or ammonia in a molar ratio of 1 mole of hydrazine to 1 to 3 moles of formic acid to 1 to 2 moles of formamide and/or ammonia at a temperature of 140.degree. to 220.degree. C. The main advantage of the process of the invention resides in obtaining 1,2,4-triazole with an improved yield and purity.
    Type: Grant
    Filed: June 22, 1982
    Date of Patent: December 25, 1984
    Assignee: Nehezvegyipari Kutato Intezet
    Inventors: Janos Besan, Miklos Kovacs, Laszlo Kulcsar, Ferenc Maier, Jozsef Pernyeszi