Patents by Inventor Joseph William Burley

Joseph William Burley 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).

  • Stabilized vinyl chloride composition
    Patent number: 5744525
    Abstract: Vinyl chloride resins are thermally stabilized by incorporating a heterocyclic compound, as represented by Compound A, disclosed herein, which when in the radical, A=S, are thiophene derivatives, when A=--NR, are pyrrolidone derivatives, and when A=O, are tetronic derivatives.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: April 28, 1998
    Assignee: Akros Chemicals
    Inventors: Heather Blue Harvey, Joseph William Burley, Gerard Hub Frans Schmets
  • Process for making organotin dihalides and trihalides and stabilizers prepared therefrom
    Patent number: 4080363
    Abstract: An organotin dihalide having the formula ##STR1## OR A MIXTURE OF THE DIHALIDE AND AN ORGANOTIN TRIHALIDE IS PREPARED BY REACTING METALLIC TIN WITH AN OLEFIN HAVING THE FORMULA ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen or a hydrocarbon radical and at least one of R.sub.1 or R.sub.2 contains an oxygen-containing group with a carbonyl group adjacent to the olefinic double bond and Hal is a halogen. The organotin dihalide or mixture thereof with a trihalide is reacted with an acid or mercaptan to produce a stabilizer for polyvinyl chloride polymers and the like.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: March 21, 1978
    Assignee: Akzo N.V.
    Inventors: Ronald Eric Hutton, Joseph William Burley