Patents by Inventor Inger Jansson

Inger Jansson 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).

  • Injection grouting
    Patent number: 7163358
    Abstract: The invention relates to the use of a composition for injection grouting obtainable by mixing an alkali metal silicate or an organic silicate, colloidal silica particles, and at least one gelling agent, wherein the weight ratio of colloidal silica to silicate is from about 2:1 to about 100:1. The invention also relates to a method of sealing a leaking part or cavity, and method of cutting off a liquid flow in a leaking part or cavity. The invention further relates to a composition for injection grouting and a method for preparing such composition.
    Type: Grant
    Filed: August 20, 2003
    Date of Patent: January 16, 2007
    Assignee: Akzo Nobel N.V.
    Inventors: Peter Greenwood, Inger Jansson, Ulf Skarp
  • Injection grouting
    Publication number: 20050079016
    Abstract: The invention relates to the use of a composition for injection grouting obtainable by mixing an alkali metal silicate or an organic silicate, colloidal silica particles, and at least one gelling agent, wherein the weight ratio of colloidal silica to silicate is from about 2:1 to about 100:1. The invention also relates to a method of sealing a leaking part or cavity, and method of cutting off a liquid flow in a leaking part or cavity. The invention further relates to a composition for injection grouting and a method for preparing such composition.
    Type: Application
    Filed: August 20, 2003
    Publication date: April 14, 2005
    Inventors: Peter Greenwood, Inger Jansson, Ulf Skarp
  • Sealing composition and its use
    Patent number: 6869256
    Abstract: A method for sealing rock or soil comprising inserting a sealing composition obtained by mixing a silica sol and at least one gelling agent, wherein the silica sol has an S-value higher than about 72%, a method for preparing the sealing composition and the composition obtained from the method.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: March 22, 2005
    Assignee: Akzo Nobel N.V.
    Inventors: Peter Greenwood, Inger Jansson, Ulf Skarp
  • Sealing composition and its use
    Patent number: 6857824
    Abstract: The present invention relates to a method for sealing rock or soil comprising inserting a sealing composition obtained by mixing a silica sol and at least one gelling agent, wherein the silica sol has an S-value higher than about 72%, a method for preparing the sealing composition and the composition obtained from the method.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: February 22, 2005
    Assignee: Akzo Nobel N.V.
    Inventors: Peter Greenwood, Inger Jansson, Ulf Skarp
  • Sealing composition and its use
    Publication number: 20030161692
    Abstract: The present invention relates to a method for sealing rock or soil comprising inserting a sealing composition obtained by mixing a silica sol and at least one gelling agent, wherein the silica sol has an S-value higher than about 72%, a method for preparing the sealing composition and the composition obtained from the method.
    Type: Application
    Filed: March 26, 2003
    Publication date: August 28, 2003
    Inventors: Peter Greenwood, Inger Jansson, Ulf Skarp
  • Sealing composition and its use
    Publication number: 20030103814
    Abstract: The present invention relates to a method for sealing rock or soil comprising inserting a sealing composition obtained by mixing a silica sol and at least one gelling agent, wherein the silica sol has an S-value higher than about 72%, a method for preparing the sealing composition and the composition obtained from the method.
    Type: Application
    Filed: October 16, 2002
    Publication date: June 5, 2003
    Inventors: Peter Greenwood, Inger Jansson, Ulf Skarp