Patents by Inventor Ulli Wolf

Ulli Wolf 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).

  • Stress-crack-resistant, halogen-free, flame-protected polyester
    Patent number: 10344144
    Abstract: 1. The invention relates to the use of polyester molding compositions composed of A) from 20 to 97.9% by weight of a thermoplastic polyester B) from 0.1 to 10% by weight of an epoxidized natural oil or fatty acid ester, or mixture of these, where the epoxide equivalent weight of component B) in accordance with DIN EN ISO 3001 is from 100 to 400 g/eq C) from 1 to 20% by weight of a metal salt of a phosphinic acid D) from 1 to 20% by weight of a melamine compound E) from 0 to 60% by weight of other additional substances, where the total of the percentages by weight of components A) to E) is 100%, for the production of stress-cracking-resistant and halogen-free flame-retardant polyester molding compositions.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: July 9, 2019
    Assignee: BASF SE
    Inventors: Michael Roth, Klaus Uske, Sebastian Wagner, Ulli Wolf
  • STRESS-CRACK-RESISTANT, HALOGEN-FREE, FLAME-PROTECTED POLYESTER
    Publication number: 20160060431
    Abstract: 1. The invention relates to the use of polyester molding compositions composed of A) from 20 to 97.9% by weight of a thermoplastic polyester B) from 0.1 to 10% by weight of an epoxidized natural oil or fatty acid ester, or mixture of these, where the epoxide equivalent weight of component B) in accordance with DIN EN ISO 3001 is from 100 to 400 g/eq C) from 1 to 20% by weight of a metal salt of a phosphinic acid D) from 1 to 20% by weight of a melamine compound E) from 0 to 60% by weight of other additional substances, where the total of the percentages by weight of components A) to E) is 100%, for the production of stress-cracking-resistant and halogen-free flame-retardant polyester molding compositions.
    Type: Application
    Filed: April 15, 2014
    Publication date: March 3, 2016
    Inventors: Michael Roth, Klaus Uske, Sebastian Wagner, Ulli Wolf
  • Long-fiber-reinforced flame-retardant polyesters
    Patent number: 8962717
    Abstract: Thermoplastic molding compositions comprising A) from 10 to 93% by weight of a thermoplastic polyester B) from 1 to 20% by weight of a phosphinic salt C) from 1 to 20% by weight of a nitrogen-containing flame retardant D) from 5 to 50% by weight of a long-fiber reinforcing material with fiber length from 2 to 25 mm and L/D ratio from 500 to 4000 E) from 0 to 50% by weight of other additives, where the total of the percentages by weight of components A) to E) is 100%.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: February 24, 2015
    Assignee: BASF SE
    Inventors: Michael Roth, Klaus Uske, Ulli Wolf
  • LONG-FIBER-REINFORCED FLAME-RETARDANT POLYESTERS
    Publication number: 20140051786
    Abstract: Thermoplastic molding compositions comprising A) from 10 to 93% by weight of a thermoplastic polyester B) from 1 to 20% by weight of a phosphinic salt C) from 1 to 20% by weight of a nitrogen-containing flame retardant D) from 5 to 50% by weight of a long-fiber reinforcing material with fiber length from 2 to 25 mm and L/D ratio from 500 to 4000 E) from 0 to 50% by weight of other additives, where the total of the percentages by weight of components A) to E) is 100%.
    Type: Application
    Filed: August 19, 2013
    Publication date: February 20, 2014
    Applicant: BASF SE
    Inventors: Michael Roth, Klaus Uske, Ulli Wolf