Patents by Inventor Borbala Keresztes nee Ordog

Borbala Keresztes nee Ordog 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).

  • Bicyclic lactone derivatives employed as intermediates in the synthesis of prostaglandines
    Patent number: 4126622
    Abstract: A compound of the formula is disclosed. ##STR1## wherein R.sup.3 and R.sup.4 are the same or different and are each hydrogen, lower alkanoyl, lower alkanoyl substituted by 1, 2, or 3 halogen atoms, or R.sup.3 and R.sup.4 together form an ##STR2## group in which R.sup.5 and R.sup.6 are the same or different and are each hydrogen, alkyl or aryl as well as a process for the preparation thereof.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: November 21, 1978
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT
    Inventors: Istvan Tomoskozi, Gabor Kovacs, Istvan Szekely, Vilmos Simonidesz, Marianna Lovasz nee Gaspar, Borbala Keresztes nee Ordog, Julia Remport nee Radoczi, Istvan Stadler, Zsuzsa Visky nee Gombos, Csaba Szantay