Patents Assigned to Guardian Chemical Corporation
  • Process for recovery of bituminous material from tar sands
    Patent number: 4120777
    Abstract: A process for the recovery of bituminous tar like materials from tar sands containing the same; the process includes mixing the tar sands with water, mildly heating the same in the presence of an alkali metal bicarbonate, gently mixing the mixture and while the mixture is warm, removing the recovered bituminous materials therefrom.
    Type: Grant
    Filed: July 13, 1976
    Date of Patent: October 17, 1978
    Assignee: Guardian Chemical Corporation
    Inventor: Alfred R. Globus
  • Oil and gasoline fire extinguishing composition
    Patent number: 4031961
    Abstract: Compositions comprising a polymerized (hydrated amideamine) complex, a method of making the same, fire extinguishing compositions containing the same as active agent and a method for extinguishing fires therewith.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: June 28, 1977
    Assignee: Guardian Chemical Corporation
    Inventor: Alfred R. Globus
  • Oil and gasoline fire extinguishing composition and method of making
    Patent number: 3979302
    Abstract: Compositions comprising a polymerized (hydrated amide-amine complex), a method of making the same, fire extinguishing compositions containing the same as active agent and a method for extinguishing fires therewith.
    Type: Grant
    Filed: March 19, 1974
    Date of Patent: September 7, 1976
    Assignee: Guardian Chemical Corporation
    Inventor: Alfred R. Globus