Patents by Inventor Richard Duncan Oldroyd

Richard Duncan Oldroyd 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 dewatering organic liquids
    Patent number: 6582607
    Abstract: Process for dewatering organic liquids admixed with water wherein the admixture is brought into contact with a molecular sieve. The moleculat sieve is pretreated so as to reduce its acid site concentration and attain an ammonia TPD value of 18 mmol/g or less prior to contact with the admixture. The present invention relates to a process for dewatering organic liquids admixed with water, said process comprising bringing the admixture into contact with a molecular sieve, characterized in that the molecular sieve is pretreated so as to reduce its acid site concentration and attain an ammonia TPD value of 18 mmol/g or less prior to contact with the admixture.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: June 24, 2003
    Assignee: BP Chemicals Limited
    Inventors: Eric Nicholas Coker, Richard Duncan Oldroyd, Warren John Smith
  • Method of dewatering organic liquids
    Publication number: 20020014457
    Abstract: The present invention relates to a process for dewatering organic liquids admixed with water, said process comprising bringing the admixture into contact with a molecular sieve, characterized in that the molecular sieve is pretreated so as to reduce its acid site concentration and attain an ammonia TPD value of 18 mmol/g or less prior to contact with the admixture.
    Type: Application
    Filed: June 5, 2001
    Publication date: February 7, 2002
    Inventors: Eric Nicholas Coker, Richard Duncan Oldroyd, Warren John Smith