Patents by Inventor Allan Onions

Allan Onions 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).

  • Air entraining agents
    Patent number: 4019916
    Abstract: It is known to mix cement, mortar and the like in the presence of an air entraining agent. According to the invention a water soluble sulphosuccinamate is employed as the air entraining agent. A particularly preferred air entraining composition is provided comprising a water soluble sulphosuccinamate, a water soluble sulphosuccinate and a water soluble alkyl benzene sulphonate.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: April 26, 1977
    Assignee: Albright & Wilson Limited
    Inventors: David Stainsley Golightly, Allan Onions