Patents by Inventor Ender Kocak

Ender Kocak 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).

  • One pot process for preparing pemetrexed disodium
    Patent number: 8952153
    Abstract: This invention relates to one pot process for preparing antifolate agent pemetrexed disodium in pure form.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: February 10, 2015
    Assignee: Kocak Farma Ilac ve Kimya Sanayi A.S.
    Inventors: Tuncer Aslan, Ender Kocak
  • One pot process for preparing pemetrexed disodium
    Publication number: 20140309420
    Abstract: This invention relates to one pot process for preparing antifolate agent pemetrexed disodium in pure form.
    Type: Application
    Filed: December 14, 2012
    Publication date: October 16, 2014
    Inventors: Tuncer Aslan, Ender Kocak
  • Method for producing antifolate agents having glutamic acid part in their structure
    Patent number: 8680319
    Abstract: A method for producing antifolate agents having glutamic acid part in their structure is developed by protecting carboxyl groups of glutamic acid or its N-substituted derivatives as cyanomethyl ester to give compounds of formula (II) which are hydrolyzed under very mild conditions to afford antifolate agents in high yield with high analytical and optical purity.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: March 25, 2014
    Assignee: Kocak Farma Ilac ve Kimya San. A.S
    Inventors: Ender Kocak, Tuncer Aslan
  • Method for producing antifolate agents having glutamic acid part in their structure
    Publication number: 20130253192
    Abstract: A new method for producing antifolate agents having glutamic acid part in their structure is developed by protecting carboxyl groups of glutamic acid or its N-subsituted derivatives as cyanomethyl ester to give compounds of formula (II) which are hydrolyzed under very mild conditions to afford antifolate agents in high yield with high analytical and optical purity.
    Type: Application
    Filed: December 3, 2010
    Publication date: September 26, 2013
    Applicant: KOCAK FARMA ILAC VE KIMYA SAN. A.S
    Inventors: Ender Kocak, Tuncer Aslan