Patents by Inventor Robert Jeffrey Durante

Robert Jeffrey Durante 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).

  • Publication number: 20170233650
    Abstract: Solutions suitable for etch cutting glass substrates are disclosed. The solutions can include: (a) about 20.1 to about 25 weight % of hydrofluoric acid; (b) about 7 to about 10.5 weight % of an organic carboxylic acid; (c) 0 to about 10 weight % of nitric acid; and (d) about 54.5 to about 72.9 weight % of water; wherein the weight % is based on the total weight of the etch cutting solution.
    Type: Application
    Filed: September 14, 2015
    Publication date: August 17, 2017
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: YOUNGJUN LU, HAO-CHUN LEE, ROBERT JEFFREY DURANTE
  • Patent number: 8123970
    Abstract: A composition comprising a solution of potassium monopersulfate having an active oxygen content of from about 3.4% to about 6.8% and a process for its preparation including neutralization with an alkaline material is disclosed.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: February 28, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Robert Jeffrey Durante, Harvey James Bohn, Jr.
  • Publication number: 20100252530
    Abstract: The present invention provides an etchant composition comprising A) high strength potassium monopersulfate providing from about 0.025% to about 0.8% by weight of active oxygen; B) from about 0.01% to about 30% by weight of the composition of B1) an organic acid, alkali metal salt of an organic acid, ammonium salt of an organic acid, or a homopolymer of an organic acid, or B2) a halogen or nitrate salt of phosphonium, tetrazolium, or benzolium, or B3) a mixture of component B1) and B2); and C) from about 0% to about 97.49% by weight of the composition of water; and a method of etching a substrate using said composition.
    Type: Application
    Filed: March 11, 2010
    Publication date: October 7, 2010
    Applicants: E. I. DU PONT DE NEMOURS AND COMPANY, DONGWOOD FINE-CHEM CO LTD
    Inventors: Robert Jeffrey Durante, Seung Jin Lee, Thomas Peter Tufano, Young Chul Park, Jun Woo Lee, Seung Yong Lee, Hyun Kyu Lee, Yu Jin Lee, Sang Hoon Jang
  • Publication number: 20090008601
    Abstract: A composition comprising a solution of potassium monopersulfate having an active oxygen content of from about 3.4% to about 6.8% and a process for its preparation including neutralization with an alkaline material is disclosed.
    Type: Application
    Filed: September 10, 2008
    Publication date: January 8, 2009
    Applicant: E.I. du Pont de Nemours and Company
    Inventors: Robert Jeffrey Durante, Harvey James Bohn, JR.
  • Patent number: 7442323
    Abstract: A composition comprising a solution of potassium monopersulfate having an active oxygen content of from about 3.4% to about 6.8% and a process for its preparation including neutralization with an alkaline material is disclosed.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: October 28, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert Jeffrey Durante, Harvey James Bohn, Jr.
  • Publication number: 20070278182
    Abstract: A composition comprising a solution of potassium monopersulfate having an active oxygen content of from about 3.4% to about 6.8% and a process for its preparation including neutralization with an alkaline material is disclosed.
    Type: Application
    Filed: June 2, 2006
    Publication date: December 6, 2007
    Inventors: Robert Jeffrey Durante, Harvey James Bohn