Patents by Inventor Oskar Altwirth

Oskar Altwirth 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).

  • Adhesive for dentures and method for its production
    Patent number: 6503312
    Abstract: An adhesive for dentures comprising a paste-like carrier substance to which hydrocolloids are admixed. In order to obtain an adhesive which is entirely benign from a health viewpoint, the carrier substance consists of honey mixed with alcohol.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: January 7, 2003
    Inventor: Oskar Altwirth
  • Adhesive for dentures and method for its production
    Publication number: 20010029871
    Abstract: An adhesive for dentures comprising a paste-like carrier substance to which hydrocolloids are admixed. In order to obtain an adhesive which is entirely benign from a health viewpoint, the carrier substance consists of honey mixed with alcohol.
    Type: Application
    Filed: April 11, 2001
    Publication date: October 18, 2001
    Inventor: Oskar Altwirth
  • Adhesive agent for dentures or the like and process for the production thereof
    Patent number: 5209777
    Abstract: An adhesive agent for dentures consists of a spreadable compound with an alginate, a polyvinyl acetate, a carboxymethyl cellulose and an emulsifier.In order to obtain a lasting effect, unchanging spreadability and long-term durability, the compound consists of a mixture of a modified mixture of carboxymethyl cellulose and sodium alginate with the polyvinyl acetate, an anionic water- and alcohol-soluble cellulose ether, a gel, a neutral oil and an organically modified montmorillonite as the emulsifier and stabilizer, as well as of an alcohol solvent.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: May 11, 1993
    Inventor: Oskar Altwirth
  • Adherent insert for artificial teeth and process of manufacturing the insert
    Patent number: 5158825
    Abstract: An adherent insert for artificial teeth consists of a nonwoven fabric, which is impregnated with an adhesive.In order to ensure a strong and persistent adhesiveness, the nonwoven fabric is impregnated with an adhesive which consists of a viscous mixture of alginate and/or carboxymethylcellulose, polyvinyl acetate and a solvent consisting of glycerine triacetate or propylene glycol.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: October 27, 1992
    Inventor: Oskar Altwirth