Patents by Inventor Andreas Benfer

Andreas Benfer 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 preparation of a clear coat layer of an automotive OEM multi-layer coating
    Patent number: 8361558
    Abstract: A coating process wherein a precoated automotive substrate is OEM clear coated with a two-component polyurethane clear coat composition prepared by static mixing a binder component having a solids content of 42 to 50 wt.-% comprising at least one hydroxyl-functional binder and a volatile organic content of 50 to 58 wt.-% and a polyisocyanate crosslinker component having a solids content comprising a free polyisocyanate solids content consisting of 75 to 100 wt.-% of at least one polyisocyanate of the 1,6-hexane diisocyanate isocyanurate type and of 0 to 25 wt.-% of at least one polyisocyanate of the isophorone diisocyanate isocyanurate type, wherein the sum of the respective wt.-% in each case totals 100 wt.-%.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: January 29, 2013
    Assignee: E I Du Pont De Nemours and Company
    Inventors: Fabian Koehn, Andreas Benfer, Birte Bannert
  • Two-component polyurethane clear coat kit system
    Patent number: 8188196
    Abstract: A two-component polyurethane clear coat kit system consisting of: (1) a binder component having a solids content of 42 to 50 wt.-% comprising at least one hydroxyl-functional binder and a volatile organic content of 50 to 58 wt.-%, and (2) a polyisocyanate crosslinker component having a solids content of 66 to 70 wt.-% and a volatile organic content of 30 to 34 wt.-%, wherein the solids content of the polyisocyanate crosslinker component comprises a free polyisocyanate solids content consisting of 75 to 100 wt.-% of at least one polyisocyanate of the 1,6-hexane diisocyanate isocyanurate type and of 0 to 25 wt.-% of at least one polyisocyanate of the isophorone diisocyanate isocyanurate type, wherein the sum of the respective wt.-% in each case totals 100 wt.-%.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: May 29, 2012
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Fabian Koehn, Andreas Benfer, Birte Bannert
  • Process For The Preparation Of A Clear Coat Layer Of An Automotive OEM Multi-Layer Coating
    Publication number: 20110171391
    Abstract: A coating process wherein a precoated automotive substrate is OEM clear coated with a two-component polyurethane clear coat composition prepared by static mixing a binder component having a solids content of 42 to 50 wt.-% comprising at least one hydroxyl-functional binder and a volatile organic content of 50 to 58 wt.-% and a polyisocyanate crosslinker component having a solids content comprising a free polyisocyanate solids content consisting of 75 to 100 wt.-% of at least one polyisocyanate of the 1,6-hexane diisocyanate isocyanurate type and of 0 to 25 wt.-% of at least one polyisocyanate of the isophorone diisocyanate isocyanurate type, wherein the sum of the respective wt.-% in each case totals 100 wt.-%.
    Type: Application
    Filed: February 19, 2010
    Publication date: July 14, 2011
    Inventors: Fabian Koehn, Andreas Benfer, Birte Bannert
  • Two-Component Polyurethane Clear Coat Kit System
    Publication number: 20110112239
    Abstract: A two-component polyurethane clear coat kit system consisting of: (1) a binder component having a solids content of 42 to 50 wt.-% comprising at least one hydroxyl-functional binder and a volatile organic content of 50 to 58 wt.-%, and (2) a polyisocyanate crosslinker component having a solids content of 66 to 70 wt.-% and a volatile organic content of 30 to 34 wt.-%, wherein the solids content of the polyisocyanate crosslinker component comprises a free polyisocyanate solids content consisting of 75 to 100 wt.-% of at least one polyisocyanate of the 1,6-hexane diisocyanate isocyanurate type and of 0 to 25 wt.-% of at least one polyisocyanate of the isophorone diisocyanate isocyanurate type, wherein the sum of the respective wt.-% in each case totals 100 wt.-%.
    Type: Application
    Filed: February 19, 2010
    Publication date: May 12, 2011
    Inventors: Fabian Koehn, Andreas Benfer, Birte Bannert