Patents by Inventor Karl Foelsch

Karl Foelsch 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).

  • Method of producing aqueous dispersions as a base for hot sealing adhesives
    Patent number: 6337360
    Abstract: Poly(meth)acrylate dispersions, comprised of: (A) 50-90 wt. % methacrylic acid esters; (B) 5-30 wt. % acrylic acid alkyl esters; [lit., “acrylic acid acrylic esters”]; (C) 2-10 wt. % of another functionalized monomer; (D) 2-10 wt. % of a radically polymerizable carboxylic acid or a polycarboxylic acid or a partially esterified polycarboxylic acid; and (E) 0-40 wt. % of a monomer which is copolymerizable with components (A) to (D).
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: January 8, 2002
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Hubert Scheuermann, Dieter Tessmer, Karl Foelsch, Wilhelm Elser, Michael Wicke
  • Method of producing aqueous dispersions as a base for hot sealing adhesives
    Patent number: 6323292
    Abstract: Poly(meth)acrylate dispersions, comprised of: (A) 50-90 wt. % methacrylic acid esters; (B) 5-30 wt. % acrylic acid alkyl esters; (C) 2-10 wt. % of another functionalized monomer; (D) 2-10 wt. % of a radically polymerizable carboxylic acid or a polycarboxylic acid or a partially esterified polycarboxylic acid; and (E) 0-40 wt. % of a monomer which is copolymerizable with components (A) to (D).
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: November 27, 2001
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Hubert Scheuermann, Dieter Tessmer, Karl Foelsch, Wilhelm Elser, Michael Wicke
  • Method of producing aqueous dispersions as a base for hot sealing adhesives
    Publication number: 20010025077
    Abstract: Poly(meth)acrylate dispersions, comprised of:
    Type: Application
    Filed: May 11, 2001
    Publication date: September 27, 2001
    Applicant: ROEHM GMBH CHEMISCHE FABRIK
    Inventors: Hubert Scheuermann, Dieter Tessmer, Karl Foelsch, Wilhelm Elser, Michael Wicke
  • Method of producing aqueous dispersions as a base for hot sealing adhesives
    Patent number: 6268065
    Abstract: A hot-sealable coated substrate comprising a primer layer from an aqueous poly(meth)acrylate dispersion, comprised of: (A) 50-90 wt. % methacrylic acid esters; (B) 5-30 wt. % acrylic acid alkyl esters [lit., “acrylic acid acrylic esters”]; (C) 2-10 wt. % of another functionalized monomer; (D) 2-10 wt. % of a radically polymerizable carboxylic acid or a polycarboxylic acid or a partially esterified polycarboxylic acid; and (E) 0-40 wt. % of a monomer which is copolymerizable with components (A) to (D).
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: July 31, 2001
    Assignee: Roehm GmbH Cemische Fabrik
    Inventors: Hubert Scheuermann, Dieter Tessmer, Karl Foelsch, Wilhelm Elser, Michael Wicke
  • Aqueous dispersion of carboxylic acid functionalized poly(meth)acrylate
    Patent number: 6194514
    Abstract: Poly(meth)acrylate dispersions, comprised of: (A) 50-90 wt. % methacrylic acid esters; (B) 5-30 wt. % acrylic acid alkyl esters, [lit., “acrylic acid acrylic esters”]; (C) 2-10 wt. % of another functionalized monomer; (D) 2-10 wt. % of a radically polymerizable carboxylic acid or a polycarboxylic acid or a partially esterified polycarboxylic acid; and (E) 0-40 wt. % of a monomer which is copolymerizable with components (A) to (D).
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: February 27, 2001
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Hubert Scheuermann, Dieter Tessmer, Karl Foelsch, Wilhelm Elser, Michael Wicke