Patents by Inventor Karel FILAS

Karel FILAS 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: 20180029960
    Abstract: Disclosed is a process for producing highly pure chlorinated alkane in which a chlorinated alkene is contacted with chlorine in a reaction zone to produce a reaction mixture containing the chlorinated alkane and the chlorinated alkene, and extracting a portion of the reaction mixture from the reaction zone, wherein the molar ratio of chlorinated alkane:chlorinated alkene in the reaction mixture extracted from the reaction zone does not exceed 95:5.
    Type: Application
    Filed: September 19, 2017
    Publication date: February 1, 2018
    Applicant: SPOLEK PRO CHEMICKOU A HUTNI VYROBU A.S.
    Inventors: Zdenek ONDRUS, Pavel KUBICEK, Karel FILAS, Petr SLADEK
  • Patent number: 9840448
    Abstract: Disclosed is a process for preparing a highly pure 1,1,1,2,3-pentachloropropane product, comprising 1-a) providing a reaction mixture comprising ethylene, carbon tetrachloride and a catalyst in a principal alkylation zone to produce 1,1,1,3-tetrachloropropane in the reaction mixture, and 1-btreating the reaction mixture obtained in step 1-a) to obtain a 1,1,1,3-tetrachloropropane feedstock; 2-a) contacting the 1,1,1,3-tetrachloropropane feedstock with a catalyst in a dehydrochlorination zone to produce a reaction mixture comprising 1,1,1,3-tetrachloropropane and 1,1,3-trichloropropene, and 2-b) treating the reaction mixture obtained in step 2-a) to obtain a 1,1,3-trichloropropene feedstock; 3-a) contacting the 1,1,3-trichloropropene feedstock with chlorine in a reaction zone to produce a reaction mixture containing 1,1,1,2,3-pentachloropropane and 1,1,3-trichloropropene, the reaction zone being different from the dehydrochlorination zone, and 3-b) treating the reaction mixture obtained in step 3-a) to obta
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: December 12, 2017
    Assignee: SPOLEK PRO CHEMICKOU A HUTNI VYROBU A.S.
    Inventors: Zdenek Ondrus, Pavel Kubicek, Karel Filas, Petr Sladek
  • Patent number: 9790148
    Abstract: Disclosed is a process for producing highly pure chlorinated alkane in which a chlorinated alkene is contacted with chlorine in a reaction zone to produce a reaction mixture containing the chlorinated alkane and the chlorinated alkene, and extracting a portion of the reaction mixture from the reaction zone, wherein the molar ratio of chlorinated alkane:chlorinated alkene in the reaction mixture extracted from the reaction zone does not exceed 95:5.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: October 17, 2017
    Assignee: SPOLEK PRO CHEMICKOU A HUTNI VYROBU A.S.
    Inventors: Zdenek Ondrus, Pavel Kubicek, Karel Filas, Petr Sladek
  • Publication number: 20170204027
    Abstract: Disclosed is a process for preparing a chlorinated alkene, comprising contacting a chlorinated alkane with a catalyst in a dehydrochlorination zone to produce a liquid reaction mixture comprising the chlorinated alkane and the chlorinated alkene, and extracting chlorinated alkene from the reaction mixture, wherein the concentration of the chlorinated alkene in the reaction mixture present in the dehydrochlorination zone is controlled such that the molar ratio of chlorinated alkene:chlorinated alkane is from 1:99 to 50:50.
    Type: Application
    Filed: March 30, 2017
    Publication date: July 20, 2017
    Inventors: Zdenek ONDRUS, Pavel Kubicek, Karel Filas, Petr Sladek
  • Patent number: 9624149
    Abstract: Disclosed is a process for preparing a chlorinated alkene, comprising contacting a chlorinated alkane with a catalyst in a dehydrochlorination zone to produce a liquid reaction mixture comprising the chlorinated alkane and the chlorinated alkene, and extracting chlorinated alkene from the reaction mixture, wherein the concentration of the chlorinated alkene in the reaction mixture present in the dehydrochlorination zone is controlled such that the molar ratio of chlorinated alkene:chlorinated alkane is from 1:99 to 50:50.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: April 18, 2017
    Assignee: SPOLEK PRO CHEMICKOU A HUTNI VYROBU A.S.
    Inventors: Zdenek Ondrus, Pavel Kubicek, Karel Filas, Petr Sladek
  • Publication number: 20160107956
    Abstract: Disclosed is a process for preparing a highly pure 1,1,1,2,3-pentachloropropane product, comprising 1-a) providing a reaction mixture comprising ethylene, carbon tetrachloride and a catalyst in a principal alkylation zone to produce 1,1,1,3-tetrachloropropane in the reaction mixture, and 1-b) treating the reaction mixture obtained in step 1-a) to obtain a 1,1,1,3-tetrachloropropane feedstock; 2-a) contacting the 1,1,1,3-tetrachloropropane feedstock with a catalyst in a dehydrochlorination zone to produce a reaction mixture comprising 1,1,1,3-tetrachloropropane and 1,1,3-trichloropropene, and 2-b) treating the reaction mixture obtained in step 2-a) to obtain a 1,1,3-trichloropropene feedstock; 3-a) contacting the 1,1,3-trichloropropene feedstock with chlorine in a reaction zone to produce a reaction mixture containing 1,1,1,2,3-pentachloropropane and 1,1,3-trichloropropene, the reaction zone being different from the dehydrochlorination zone, and 3-b) treating the reaction mixture obtained in step 3-a) to ob
    Type: Application
    Filed: October 15, 2015
    Publication date: April 21, 2016
    Inventors: Zdenek ONDRUS, Pavel KUBICEK, Karel FILAS, Petr SLADEK
  • Publication number: 20160107958
    Abstract: Disclosed is a process for producing highly pure chlorinated alkane in which a chlorinated alkene is contacted with chlorine in a reaction zone to produce a reaction mixture containing the chlorinated alkane and the chlorinated alkene, and extracting a portion of the reaction mixture from the reaction zone, wherein the molar ratio of chlorinated alkane:chlorinated alkene in the reaction mixture extracted from the reaction zone does not exceed 95:5.
    Type: Application
    Filed: October 15, 2015
    Publication date: April 21, 2016
    Inventors: Zdenek ONDRUS, Pavel KUBICEK, Karel FILAS, Petr SLADEK
  • Publication number: 20160107955
    Abstract: Disclosed is a process for producing a chlorinated C3-6 alkane comprising providing a reaction mixture comprising an alkene and carbon tetrachloride in a principal alkylation zone to produce chlorinated C3-6 alkane in the reaction mixture, and extracting a portion of the reaction mixture from the principal alkylation zone, wherein: a) the concentration of the chlorinated C3-6 alkane in the reaction mixture in the principal alkylation zone is maintained at a level such that the molar ratio of chlorinated C3-6 alkane:carbon tetrachloride in the reaction mixture extracted from the alkylation zone does not exceed 95:5 when the principal alkylation zone is in continuous operation; and/or b) the reaction mixture extracted from the principal alkylation zone additionally comprises alkene and the reaction mixture is subjected to a dealkenation step in which at least about 50% or more by weight of the alkene present in the reaction mixture is extracted therefrom and at least about 50% of the extracted alkene is fed ba
    Type: Application
    Filed: October 14, 2015
    Publication date: April 21, 2016
    Inventors: Karel FILAS, Pavel KUBICEK, Zdenek ONDRUS, Petr SLADEK
  • Publication number: 20160107960
    Abstract: Disclosed is a process for preparing a chlorinated alkene, comprising contacting a chlorinated alkane with a catalyst in a dehydrochlorination zone to produce a liquid reaction mixture comprising the chlorinated alkane and the chlorinated alkene, and extracting chlorinated alkene from the reaction mixture, wherein the concentration of the chlorinated alkene in the reaction mixture present in the dehydrochlorination zone is controlled such that the molar ratio of chlorinated alkene:chlorinated alkane is from 1:99 to 50:50.
    Type: Application
    Filed: October 15, 2015
    Publication date: April 21, 2016
    Inventors: Zdenek ONDRUS, Pavel KUBICEK, Karel FILAS, Petr SLADEK