Patents by Inventor Roger SIEG

Roger SIEG 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).

  • NOVEL COOLANTS WITH IMPROVED STORAGE STABILITY
    Publication number: 20240117233
    Abstract: Coolants with increased activity against corrosion of aluminium and aluminium alloys and with improved storage stability, and corresponding coolant concentrates, are useful.
    Type: Application
    Filed: November 21, 2023
    Publication date: April 11, 2024
    Applicant: BASF SE
    Inventors: Harald Dietl, Roger Sieg, Sebastian Lang
  • COOLANTS WITH IMPROVED TEMPERATURE STABILITY
    Publication number: 20240110088
    Abstract: Novel aqueous coolants with improved temperature stability contain (A) water; (B) at least one alkylene glycol, alkylene glycol monoalkyl ether, or glycerol; (C) at least one phosphate, carbonate, and/or sulfate in the form of its free acids or its salts; (D) at least one hard water stabilizer; and optionally, further inhibitors and typical coolant constituents. The aqueous coolants are useful, for example, in internal combustion engines.
    Type: Application
    Filed: March 17, 2022
    Publication date: April 4, 2024
    Applicant: BASF SE
    Inventors: Harald Dietl, Roger Sieg, Sebastian Lang, Sandra Schnell, Stephan Bauer
  • NOVEL COOLANTS WITH IMPROVED STORAGE STABILITY
    Publication number: 20230227706
    Abstract: Coolants with increased activity against corrosion of aluminium and aluminium alloys and with improved storage stability, and corresponding coolant concentrates, are useful.
    Type: Application
    Filed: August 24, 2021
    Publication date: July 20, 2023
    Applicant: BASF SE
    Inventors: Harald Dietl, Roger Sieg, Sebastian Lang
  • Coolant for cooling systems in electric vehicles having fuel cells and/or batteries containing azole derivatives and additional corrosion protectants
    Patent number: 11702580
    Abstract: Coolants based on alkylene glycols or derivatives thereof are useful for cooling systems in electric vehicles having fuel cells and/or batteries, preferably for motor vehicles, particularly preferably for passenger cars and commercial vehicles (known as light and heavy duty vehicles). The coolants contain additional corrosion inhibitors for improved corrosion protection in addition to specific azole derivatives.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: July 18, 2023
    Assignee: BASF SE
    Inventors: Harald Dietl, Roger Sieg
  • COOLANT FOR COOLING SYSTEMS IN ELECTRIC VEHICLES HAVING FUEL CELLS AND/OR BATTERIES CONTAINING AZOLE DERIVATIVES AND ADDITIONAL CORROSION PROTECTANTS
    Publication number: 20220127510
    Abstract: Coolants based on alkylene glycols or derivatives thereof are useful for cooling systems in electric vehicles having fuel cells and/or batteries, preferably for motor vehicles, particularly preferably for passenger cars and commercial vehicles (known as light and heavy duty vehicles). The coolants contain additional corrosion inhibitors for improved corrosion protection in addition to specific azole derivatives.
    Type: Application
    Filed: January 4, 2022
    Publication date: April 28, 2022
    Applicant: BASF SE
    Inventors: Harald DIETL, Roger SIEG
  • Coolant for cooling systems in electric vehicles having fuel cells and/or batteries containing azole derivatives and additional corrosion protectants
    Patent number: 11248155
    Abstract: The present invention relates to coolants for cooling systems in electric vehicles having fuel cells and/or batteries, preferably for motor vehicles, particularly preferably for passenger cars and commercial vehicles (known as light and heavy duty vehicles), based on alkylene glycols or derivatives thereof, which comprise additional corrosion inhibitors for improved corrosion protection in addition to specific azole derivatives.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: February 15, 2022
    Assignee: BASF SE
    Inventors: Harald Dietl, Roger Sieg
  • NEW ANTIFREEZE AGENTS AND COOLANTS FOR FUEL CELLS, STORAGE BATTERIES AND BATTERIES
    Publication number: 20210403782
    Abstract: Substantially water-free antifreezes for cooling systems can be used as coolants and antifreezes without further dilution with water.
    Type: Application
    Filed: October 25, 2019
    Publication date: December 30, 2021
    Applicant: BASF SE
    Inventors: Harald Dietl, Bayram Aydin, Roger Sieg
  • NEW HEAT TRANSFER LIQUID FOR COOLING LITHIUM STORAGE BATTERIES
    Publication number: 20210380862
    Abstract: Substantially water-free antifreezes and coolants are useful for cooling lithium rechargeable batteries.
    Type: Application
    Filed: October 25, 2019
    Publication date: December 9, 2021
    Applicant: BASF SE
    Inventors: Harald DIETL, Roger Sieg
  • COOLANT FOR COOLING SYSTEMS IN ELECTRIC VEHICLES HAVING FUEL CELLS AND/OR BATTERIES CONTAINING AZOLE DERIVATIVES AND ADDITIONAL CORROSION PROTECTANTS
    Publication number: 20190352553
    Abstract: The present invention relates to coolants for cooling systems in electric vehicles having fuel cells and/or batteries, preferably for motor vehicles, particularly preferably for passenger cars and commercial vehicles (known as light and heavy duty vehicles), based on alkylene glycols or derivatives thereof, which comprise additional corrosion inhibitors for improved corrosion protection in addition to specific azole derivatives.
    Type: Application
    Filed: November 14, 2017
    Publication date: November 21, 2019
    Applicant: BASF SE
    Inventors: Harald DIETL, Roger SIEG