Patents by Inventor Wilfried Adolphe Hohn

Wilfried Adolphe Hohn 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).

  • Alkyl hydroxyalkyl cellulose ethers, methods of making, and use in cements and mortars
    Patent number: 10370459
    Abstract: Disclosed are methods for the preparation of alkyl hydroxyalkyl cellulose ethers, and the use of such alkyl hydroxyalkyl cellulose ethers in the preparation and use of mortars and other cement-based systems; also disclosed is a hydraulic composition containing at least one retarder, at least one accelerator and a cellulose ether having a prolonged open time without deterioration of the other cement tile adhesive properties such as workability, setting time, strength development and sag resistance; and further disclosed are dry mortars containing encapsulated calcium chloride used in preparing mortar materials for use in construction, and the preparation and use of such mortars in cold weather environments is also disclosed.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: August 6, 2019
    Assignee: HERCULES LLC
    Inventors: Kelly A. Brush, Patrick J. Cowan, Wilfried Adolphe Hohn, Alexander Adolphe Kindler, Vera Louise Nilles
  • ALKYL HYDROXYALKYL CELLULOSE ETHERS, METHODS OF MAKING, AND USE IN CEMENTS AND MORTARS
    Publication number: 20150144032
    Abstract: Disclosed are methods for the preparation of alkyl hydroxyalkyl cellulose ethers, and the use of such alkyl hydroxyalkyl cellulose ethers in the preparation and use of mortars and other cement-based systems; also disclosed is a hydraulic composition containing at least one retarder, at least one accelerator and a cellulose ether having a prolonged open time without deterioration of the other cement tile adhesive properties such as workability, setting time, strength development and sag resistance; and further disclosed are dry mortars containing encapsulated calcium chloride used in preparing mortar materials for use in construction, and the preparation and use of such mortars in cold weather environments is also disclosed.
    Type: Application
    Filed: July 23, 2014
    Publication date: May 28, 2015
    Inventors: Kelly A. Brush, Patrick J. Cowan, Wilfried Adolphe Hohn, Alexander Adolphe Kindler, Vera Louise Nilles