Patents by Inventor Christopher Michael LEW

Christopher Michael LEW 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).

  • METHOD FOR PREPARING ZEOLITE SSZ-98
    Publication number: 20170088432
    Abstract: A method is disclosed for preparing zeolite SSZ-98 using N,N-dimethylpiperidinium cations as a structure directing agent.
    Type: Application
    Filed: September 25, 2015
    Publication date: March 30, 2017
    Inventors: Dan Xie, Christopher Michael Lew
  • SYNTHESIS OF ALUMINOSILICATE RTH FRAMEWORK TYPE ZEOLITES
    Publication number: 20170050858
    Abstract: A method of making aluminosilicate RTH framework type zeolites is disclosed using 2,6-dimethyl-1-aza-spiro[5.4]decane cations as a structure directing agent.
    Type: Application
    Filed: August 9, 2016
    Publication date: February 23, 2017
    Inventors: Dan Xie, Christopher Michael Lew
  • Method for making molecular sieve SSZ-98
    Patent number: 9416017
    Abstract: A method is disclosed for making a new crystalline molecular sieve designated SSZ-98. SSZ-98 has the ERI framework type and is synthesized using a N,N?-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: August 16, 2016
    Assignee: Chevron U.S.A. Inc.
    Inventors: Dan Xie, Stacey Ian Zones, Christopher Michael Lew, Tracy Margaret Davis
  • Molecular sieve SSZ-98
    Patent number: 9409786
    Abstract: A new crystalline molecular sieve designated SSZ-98 is disclosed. SSZ-98 has the ERI framework type and is synthesized using a N,N?-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: August 9, 2016
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Dan Xie, Stacey Ian Zones, Christopher Michael Lew, Tracy Margaret Davis
  • METHOD FOR PREPARING ZEOLITE SSZ-52
    Publication number: 20160068402
    Abstract: A method is disclosed for synthesizing zeolite SSZ-52 in the presence of an organic structure directing agent having the following structure (1): wherein R1, R2, R3 and R4 are independently selected from the group consisting of alkyl groups having from 1 to 3 carbon atoms and n has a value of 0, 1 or 2.
    Type: Application
    Filed: August 26, 2015
    Publication date: March 10, 2016
    Inventors: Tianxiang LIU, Tracy Margaret DAVIS, Christopher Michael LEW, Dan XIE, Saleh Ali ELOMARI, Michael W. DEEM
  • METHOD FOR PREPARING ZEOLITE SSZ-52 USING COMPUTATIONALLY PREDICTED STRUCTURE DIRECTING AGENTS
    Publication number: 20160068403
    Abstract: A method is disclosed for preparing zeolite SSZ-52 using a computationally predicted organic structure directing agent. The computationally predicted structure organic directing agent is an organic structure directing agent other than an N,N-diethyl-5,8-dimethyl-azonium bicyclo[3.2.2.]nonane cation, and the difference in stabilization energy between the organic structure directing agent other than an N,N-diethyl-5,8-dimethyl-azonium bicyclo[3.2.2.]nonane cation and the N,N-diethyl-5,8-dimethyl-azonium bicyclo[3.2.2.]nonane cation is no more than 2.5 kJ mol?1 Si.
    Type: Application
    Filed: August 26, 2015
    Publication date: March 10, 2016
    Inventors: Tianxiang LIU, Tracy Margaret DAVIS, Christopher Michael LEW, Dan XIE, Saleh Ali ELOMARI, Michael W. DEEM
  • MOLECULAR SIEVE SSZ-98
    Publication number: 20160002059
    Abstract: A new crystalline molecular sieve designated SSZ-98 is disclosed. SSZ-98 has the ERI framework type and is synthesized using a N,N?-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.
    Type: Application
    Filed: July 3, 2014
    Publication date: January 7, 2016
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Dan XIE, Stacey Ian ZONES, Christopher Michael LEW, Tracy Margaret DAVIS
  • METHOD FOR MAKING MOLECULAR SIEVE SSZ-98
    Publication number: 20160002060
    Abstract: A method is disclosed for making a new crystalline molecular sieve designated SSZ-98. SSZ-98 has the ERI framework type and is synthesized using a N,N?-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.
    Type: Application
    Filed: July 3, 2014
    Publication date: January 7, 2016
    Applicant: CHEVRON U.S.A. INC.
    Inventors: Dan XIE, Stacey Ian ZONES, Christopher Michael LEW, Tracy Margaret DAVIS
  • PROCESSES USING MOLECULAR SIEVE SSZ-98
    Publication number: 20160001273
    Abstract: Uses for a new crystalline molecular sieve designated SSZ-98 are disclosed. SSZ-98 has the ERI framework type and is synthesized using a N,N?-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.
    Type: Application
    Filed: July 2, 2015
    Publication date: January 7, 2016
    Applicant: CHEVRON U.S.A. INC
    Inventors: Dan XIE, Stacey Ian ZONES, Christopher Michael LEW, Tracy Margaret DAVIS