Patents by Inventor Justin A. Alberts

Justin A. Alberts 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 of preparation of florasulam
    Patent number: 12134618
    Abstract: The present disclosure concerns a method for preparing florasulam which involves treating a solution of 2,6-difluoroaniline in 1,2-propylene glycol with: a) sulfonyl chloride III and then b) a base to provide, after workup and isolation, florasulam (I) in yields of about 65-85%. The treatment of 2,6-difluoroaniline with sulfonyl chloride III and the base are conducted by controlled additions.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: November 5, 2024
    Assignee: Corteva Agriscience LLC
    Inventors: Jossian Oppenheimer, Michael Gullo, David E. Podhorez, Justin A. Alberts
  • METHOD OF PREPARATION OF FLORASULAM
    Publication number: 20210198262
    Abstract: The present disclosure concerns a method for preparing florasulam which involves treating a solution of 2,6-difluoroaniline in 1,2-propylene glycol with: a) sulfonyl chloride III and then b) a base to provide, after workup and isolation, florasulam (I) in yields of about 65-85%. The treatment of 2,6-difluoroaniline with sulfonyl chloride III and the base are conducted by controlled additions.
    Type: Application
    Filed: October 10, 2018
    Publication date: July 1, 2021
    Applicant: Dow AgroSciences LLC
    Inventors: Jossian Oppenheimer, Michael Gullo, David E. Podhorez, Justin A. Alberts
  • METHOD OF PREPARATION OF FLORASULAM
    Publication number: 20190106428
    Abstract: The present disclosure concerns a method for preparing florasulam which involves treating a solution of 2,6-difluoroaniline in 1,2-propylene glycol with: a) sulfonyl chloride III and then b) a base to provide, after workup and isolation, florasulam (I) in yields of about 65-85%. The treatment of 2,6-difluoroaniline with sulfonyl chloride III and the base are conducted by controlled additions.
    Type: Application
    Filed: October 10, 2018
    Publication date: April 11, 2019
    Applicant: Dow AgroSciences LLC
    Inventors: Jossian Oppenheimer, Michael Gullo, David E. Podhorez, Justin A. Alberts