Patents by Inventor Ver A. Chilukuri

Ver A. Chilukuri 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).

  • Process for the conversion of poly(ethylene terephthalate) waste to poly(alkylene terephthalate)
    Patent number: 5451611
    Abstract: The present invention relates to a process for the conversion of poly(ethylene terephthalate) waste to poly(alkylene terephthalate) useful as engineering thermoplastic, which comprises reacting Poly(ethylene terephthalate) powder with a diol containing 3-12 carbon atoms in the liquid phase in the presence of a catalyst at a temperature in the range 180.degree.-270.degree. C. under reduced pressure and inert atmosphere.
    Type: Grant
    Filed: March 29, 1994
    Date of Patent: September 19, 1995
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ver A. Chilukuri, Sivaram Swaminathan