Patents by Inventor John Charles Mastrangelo

John Charles Mastrangelo 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 production of an ester and diol from reclaimed carpet material
    Patent number: 9981902
    Abstract: The current invention pertains to a process for producing a terephthalate ester comprising: providing reclaimed carpet material comprising a polyester component; and reacting the polyester component with an alcohol having from 6 to 20 carbon atoms and under conditions effective to produce a terephthalate ester; wherein 15-40% of the mass of the terephthalate ester is derived from the polyester present in the reclaimed carpet material.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: May 29, 2018
    Assignee: Columbia Insurance Company
    Inventor: John Charles Mastrangelo
  • Mineral filler compositions, methods for making mineral filler compositions and carpets manufactured from same
    Patent number: 9943856
    Abstract: Disclosed are calcium carbonate mineral filler compositions, wherein the composition has a mineral content characterized by a weight ratio of calcium to magnesium of at least 10:1, and wherein the composition is at least substantially free of calcium oxide. Also disclosed are methods for making a mineral filler composition from a renewable biological source of calcium carbonate. Also disclosed are carpets comprising the mineral filler from renewable biological source produced by the methods disclosed herein.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: April 17, 2018
    Assignee: Columbia Insurance Company
    Inventor: John Charles Mastrangelo
  • PROCESS FOR PRODUCTION OF AN ESTER AND DIOL FROM RECLAIMED CARPET MATERIAL
    Publication number: 20170113995
    Abstract: The current invention pertains to a process for producing a terephthalate ester comprising: providing reclaimed carpet material comprising a polyester component; and reacting the polyester component with an alcohol having from 6 to 20 carbon atoms and under conditions effective to produce a terephthalate ester; wherein 15-40% of the mass of the terephthalate ester is derived from the polyester present in the reclaimed carpet material.
    Type: Application
    Filed: October 24, 2016
    Publication date: April 27, 2017
    Inventor: John Charles Mastrangelo
  • MINERAL FILLER COMPOSITIONS, METHODS FOR MAKING MINERAL FILLER COMPOSITIONS AND CARPETS MANUFACTURED FROM SAME
    Publication number: 20140287184
    Abstract: Disclosed are mineral filler compositions comprising a calcium carbonate, wherein the composition comprises a mineral content characterized by a weight ratio of calcium to magnesium of at least 10:1, and wherein the composition is at least substantially free of calcium oxide. Also disclosed are methods for making a mineral filler composition from a renewable biological source of calcium carbonate. Also disclosed are carpets comprising the mineral filler from renewable biological source produced by the methods disclosed herein.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 25, 2014
    Inventor: John Charles Mastrangelo