Patents by Inventor Roger Wayne Read

Roger Wayne Read 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).

  • Synthesis of cyclic compounds
    Patent number: 6958145
    Abstract: A method for the preparation of a compound of formula (II) wherein R1 and R2 are independently H, alkyl, alkoxy, oxoalkyl, alkenyl, aryl or arylalkyl whether unsubstituted or substituted, optionally interrupted by one or more hetero atoms, straight chain or branched chain, hydrophilic, hydrophobic or fluorophilic; R3, R4, R5 and R6 are independently or all hydrogen or halogen; provided that at least two of the R3, R4, R5 and R6 are halogens.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: October 25, 2005
    Assignee: Unisearch Limited
    Inventors: Naresh Kumar, Roger Wayne Read
  • Synthesis of cyclic compounds
    Publication number: 20040110966
    Abstract: A method for the preparation of a compound of formula (II) wherein R1 and R2 are independently H, alkyl, alkoxy, oxoalkyl, alkenyl, aryl or arylalkyl whether unsubstituted or substituted, optionally interrupted by one or more hetero atoms, straight chain or branched chain, hydrophilic, hydrophobic or fluorophilic; R3, R4, R5 and R6 are independently or all hydrogen or halogen; provided that at least two of the R3, R4, R5 and R6 are halogens.
    Type: Application
    Filed: April 10, 2003
    Publication date: June 10, 2004
    Inventors: Naresh Kumar, Roger Wayne Read