Patents by Inventor Vera Louise Nilles

Vera Louise Nilles 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
  • Hydraulic composition with prolonged open time
    Patent number: 9353003
    Abstract: The presently disclosed and claimed inventive concept(s) relates generally to a hydraulic composition with a prolonged open time. More particularly, the composition comprises at least one cement retarder and at least one accelerator. The presently disclosed and claimed inventive concept(s) further relates to a dry mortar composition comprising the hydraulic composition having prolonged open time without deterioration of the other cement tile adhesive properties such as workability, setting time, strength development and sag resistance.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: May 31, 2016
    Assignee: Hercules Incorporated
    Inventors: Wilfried Adolf Hohn, Stefan Hucko, Alexander Adolphe Kindler, Vera Louise Nilles, Martin Wunderlich
  • 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
  • Hydraulic Composition With Prolonged Open Time
    Publication number: 20140311387
    Abstract: The presently disclosed and claimed inventive concept(s) relates generally to a hydraulic composition with a prolonged open time. More particularly, the composition comprises at least one cement retarder and at least one accelerator. The presently disclosed and claimed inventive concept(s) further relates to a dry mortar composition comprising the hydraulic composition having prolonged open time without deterioration of the other cement tile adhesive properties such as workability, setting time, strength development and sag resistance.
    Type: Application
    Filed: March 13, 2014
    Publication date: October 23, 2014
    Applicant: HERCULES INCORPORATED
    Inventors: Wilfried Adolf Hohn, Stefan Hucko, Alexander Adolphe Kindler, Vera Louise Nilles, Martin Wunderlich