Patents by Inventor Ana Maria Cano Sierra

Ana Maria Cano Sierra 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: 8765260
    Abstract: The present invention relates to novel bonding agents based on carbodiimides, to aqueous resorcinol-formaldehyde-latex dispersion comprising bonding agent, to adhesion-improved fibres, to processes for production thereof, and to use thereof for improving adhesion in tyres.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: July 1, 2014
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Anke Blaul, Armin Eckert, Andrea Fruth, Ana Maria Cano Sierra
  • Patent number: 8481619
    Abstract: The present invention relates to aqueous resorcinol-formaldehyde-latex dispersions comprising at least one carbodiimide based on compounds of the formula (I) R?—(—N?C?N—R—)m—R???(I), where, m is an integer from 1 to 500, R=C1-C18-alkylene, C5-C18-cycloalkylene-, arylene and/or C7-C12-aralkylene, R?=R—NCO, R—NHCONHR1, R—NHCONR1R2, R—NHCOOR3 or R—NHCO—R5 and R?=—NCO, —NHCONHR1, —NHCONR1R2, —NHCO—R5 or —NHCOOR3, where R1 and R2 in R? are mutually independently identical or different and are a C1-C6-alkyl moiety, C6-C10-cycloalkyl moiety or C7-C12-aralkyl moiety, and R3 is as defined for R1 or is a polyester moiety or a polyamide moiety or —(CH2)l—(O—(CH2)k—O)g—R4, —C8H4(OH) or —C8H3(OH)—((CH2)h—C6H4(OH))y and R5=epoxide, phenol, oxime, resorcinol, polyethylene glycols and/or lactam, preferably caprolactam, where l=from 1 to 3, k=from 1 to 3, g=from 0 to 12, h=from 1 to 2 and y=from 1 to 50, and R4=H or C1-C4-alkyl.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: July 9, 2013
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Anke Blaul, Armin Eckert, Andrea Fruth, Ana Maria Cano Sierra
  • Publication number: 20120165447
    Abstract: The present invention relates to novel long-lasting and hydrolysis-resistant bio-based plastics based on polyester resins, the use thereof and the process for the production thereof.
    Type: Application
    Filed: August 3, 2011
    Publication date: June 28, 2012
    Applicant: Rhein Chemie Rheinau GmbH
    Inventors: Andrea Fruth, Ana Maria Cano Sierra, Andreas Krug, Christian Steiger
  • Publication number: 20120101200
    Abstract: The present invention provides innovative long-lasting and hydrolysis-stable biobased plastics based on polyhydroxyalkanoate (PHA), a method for producing them and their use.
    Type: Application
    Filed: August 3, 2011
    Publication date: April 26, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Andrea Fruth, Ana Maria Cano Sierra, Armin Eckert, Andreas Krug, Bernd Wiloth
  • Publication number: 20120100290
    Abstract: The present invention relates to novel bonding agents based on carbodiimides, to aqueous resorcinol-formaldehyde-latex dispersion comprising bonding agent, to adhesion-improved fibres, to processes for production thereof, and to use thereof for improving adhesion in tyres.
    Type: Application
    Filed: August 23, 2011
    Publication date: April 26, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Anke Blaul, Armin Eckert, Andrea Fruth, Ana Maria Cano Sierra
  • Publication number: 20120071595
    Abstract: The present invention relates to novel aqueous resorcinol-formaldehyde-latex dispersion, to adhesion-improved fibres, to processes for production thereof, and to use thereof for improving adhesion in tyres.
    Type: Application
    Filed: August 23, 2011
    Publication date: March 22, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Anke Blaul, Armin Eckert, Andrea Fruth, Ana Maria Cano Sierra
  • Publication number: 20110318586
    Abstract: The invention relates to innovative flexible packaging forms comprising at least 2 different layers of material joined by means of one or more adhesive layers, at least one of these adhesive layers comprising a carbodiimide or a mixture of two or more carbodiimides, to a method for producing them and to the use thereof.
    Type: Application
    Filed: May 25, 2011
    Publication date: December 29, 2011
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Ana Maria Cano Sierra, Christian Scheffner, Andrea Fruth, Bruce Ernst
  • Publication number: 20110112230
    Abstract: The invention relates to new formaldehyde scavengers, a process for reducing the amount of formaldehyde by adding these scavengers and their use.
    Type: Application
    Filed: September 3, 2010
    Publication date: May 12, 2011
    Applicants: RHEIN CHEMIE RHEINAU GMBH, RHEIN CHEMIE CORPORATION
    Inventors: Ana Maria Cano Sierra, Jeffrey A. Russell