Patents by Inventor Daniel E. Gerard

Daniel E. Gerard 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).

  • Patent number: 9403988
    Abstract: The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: August 2, 2016
    Assignee: Omya International AG
    Inventors: Patrick A.C. Gane, Daniel E. Gerard, Joachim Schölkopf
  • Patent number: 9234102
    Abstract: The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. Another aspect of the present invention is directed to an aqueous suspension of surface-reacted calcium carbonate which is Obtainable by the inventive process.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: January 12, 2016
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Daniel E. Gerard
  • Publication number: 20150283082
    Abstract: An orally fast disintegrating dosage forms comprising functionalized natural or synthetic calcium carbonate, at least one active ingredient and at least one disintegrant, wherein said functionalized natural or synthetic calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids, wherein the carbon dioxide is formed in situ by the acid treatment and/or is supplied from an external source, and wherein the tablet dissolves in less than 20 seconds when introduced into an aqueous environment.
    Type: Application
    Filed: October 10, 2013
    Publication date: October 8, 2015
    Inventors: Daniel E. Gerard, Joachim Schoelkopf, Patrick A.C. Gane, Tanja Stirnimann, Rainer Alles, Maxim Puchkov, Jörg Huwyler
  • Publication number: 20150231078
    Abstract: An instantly floating gastroretentive drug formulation comprising at least one functionalized natural and/or synthetic calcium carbonate-comprising mineral and at least one pharmaceutically active ingredient and at least one formulating aid wherein said functionalized natural or synthetic calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and one or more acids, wherein the carbon dioxide is formed in situ by the acid treatment and/or is supplied from an external source.
    Type: Application
    Filed: October 10, 2013
    Publication date: August 20, 2015
    Applicant: Omya International AG
    Inventors: Daniel E. Gerard, Joachim Schoelkopf, Patrick A.C. Gane, Veronika Anna Eberle, Rainer Alles, Maxim Puchkov, Jörg Huwyler
  • Publication number: 20150225568
    Abstract: The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. Another aspect of the present invention is directed to an aqueous suspension of surface-reacted calcium carbonate which is obtainable by the inventive process.
    Type: Application
    Filed: April 14, 2015
    Publication date: August 13, 2015
    Applicant: Omya International AG
    Inventors: Patrick A.C. Gane, Daniel E. Gerard
  • Publication number: 20150218382
    Abstract: The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. Another aspect of the present invention is directed to an aqueous suspension of surface-reacted calcium carbonate which is obtainable by the inventive process.
    Type: Application
    Filed: April 14, 2015
    Publication date: August 6, 2015
    Applicant: Omya International AG
    Inventors: Patrick A.C. Gane, Daniel E. Gerard
  • Patent number: 9096761
    Abstract: The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. Another aspect of the present invention is directed to an aqueous suspension of surface-reacted calcium carbonate which is obtainable by the inventive process.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: August 4, 2015
    Assignee: Omya International AG
    Inventors: Patrick Arthur Charles Gane, Daniel E. Gerard
  • Publication number: 20150166792
    Abstract: The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. Another aspect of the present invention is directed to an aqueous suspension of surface-reacted calcium carbonate which is Obtainable by the inventive process.
    Type: Application
    Filed: February 11, 2015
    Publication date: June 18, 2015
    Applicant: Omya International AG
    Inventors: Patrick A.C. Gane, Daniel E. Gerard
  • Publication number: 20150059999
    Abstract: The present invention relates to an aqueous calcium carbonate containing composition, to methods for producing such aqueous calcium carbonate containing compositions and to the use of the aqueous calcium carbonate containing composition in paper, paper coating, plastics and/or paint applications and as filler in paper.
    Type: Application
    Filed: March 21, 2013
    Publication date: March 5, 2015
    Inventors: Samuel Rentsch, Daniel E. Gerard, Matthias Buri, Patrick A.C. Gane, Vesa Kukkamo
  • Publication number: 20140319412
    Abstract: The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area.
    Type: Application
    Filed: June 26, 2014
    Publication date: October 30, 2014
    Applicant: Omya International AG
    Inventors: Patrick A.C. Gane, Daniel E. Gerard, Joachim Schölkopf
  • Publication number: 20140284519
    Abstract: The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a surface-treated calcium carbonate for reducing the amount of polymeric flocculation aids in water and/or sludges and/or sediments and to a composite material comprising a surface-treated calcium carbonate and impurities originated from different sources obtainable by said process.
    Type: Application
    Filed: October 30, 2012
    Publication date: September 25, 2014
    Inventors: Daniel E. Gerard, Hans-Georg Hartan, Joachim Schoelkopf, Michael Skovby, Patrick A.C. Gane
  • Patent number: 8809582
    Abstract: The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: August 19, 2014
    Assignee: Omya International AG
    Inventors: Patrick A.C. Gane, Daniel E. Gerard, Joachim Schölkopf
  • Publication number: 20140209831
    Abstract: The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally.
    Type: Application
    Filed: April 1, 2014
    Publication date: July 31, 2014
    Inventors: Patrick A.C. Gane, Joachim Schölkopf, Daniel Gantenbein, Daniel E. Gerard
  • Patent number: 8785687
    Abstract: The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: July 22, 2014
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Daniel E. Gerard, Joachim Schölkopf
  • Patent number: 8728322
    Abstract: The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: May 20, 2014
    Assignee: Omya International AG
    Inventors: Patrick A. C. Gane, Joachim Schölkopf, Daniel Gantenbein, Daniel E. Gerard
  • Publication number: 20130324762
    Abstract: The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area.
    Type: Application
    Filed: August 8, 2013
    Publication date: December 5, 2013
    Inventors: Patrick A.C. Gane, Daniel E. Gerard, Joachim Schölkopf
  • Publication number: 20130323489
    Abstract: The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area.
    Type: Application
    Filed: August 7, 2013
    Publication date: December 5, 2013
    Inventors: Patrick A.C. Gane, Daniel E. Gerard, Joachim Schölkopf
  • Publication number: 20120186492
    Abstract: The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. Another aspect of the present invention is directed to an aqueous suspension of surface-reacted calcium carbonate which is obtainable by the inventive process.
    Type: Application
    Filed: June 15, 2010
    Publication date: July 26, 2012
    Inventors: Patrick Arthur Charles Gane, Daniel E. Gerard
  • Publication number: 20120142965
    Abstract: The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area.
    Type: Application
    Filed: June 15, 2010
    Publication date: June 7, 2012
    Inventors: Patrick A.C. Gane, Daniel E. Gerard, Joachim Schölkopf
  • Patent number: 8057683
    Abstract: The present invention relates to the removal of endocrine disrupting compounds from an aqueous medium by adding surface-reacted natural calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate and having a pH greater than 6.0 measured at 20° C., to the medium, wherein the surface-reacted calcium carbonate is a reaction product of natural calcium carbonate with carbon dioxide and one or more acids, the use of the surface-reacted natural calcium carbonate for the removal of endocrine disrupting compounds, as well as to a combination of a surface-reacted natural calcium carbonate and activated carbon for the removal of endocrine disrupting compounds.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: November 15, 2011
    Assignee: Omya Development AG
    Inventors: Patrick A. C. Gane, Joachim Schölkopf, Daniel Gantenbein, Daniel E. Gerard