Patents by Inventor Terence R. Rooney

Terence R. Rooney 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: 4251384
    Abstract: Aluminium polishing solutions containing phosphoric, nitric and sulphuric acids provide etched finishes if the proportion of sulphuric acid is increased. The invention inhibits such etching by addition to the bath of an aromatic ring compound in which at least 2 hetero atoms are conjugated with the ring such as benztriazole.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: February 17, 1981
    Assignee: Albright & Wilson Ltd.
    Inventor: Terence R. Rooney
  • Patent number: 4116699
    Abstract: Aluminium polishing solutions containing phosphoric, nitric and sulphuric acids provide etched finishes if the proportion of sulphuric acid is increased. The invention inhibits such etching by addition to the bath of an aromatic ring compound, in which at least 2 hetero atoms are conjugated with the ring such as benztriazole.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: September 26, 1978
    Assignee: Albright & Wilson Ltd.
    Inventor: Terence R. Rooney
  • Patent number: RE31395
    Abstract: Aluminium polishing solutions containing phosphoric, nitric and sulphuric acids provide etched finishes if the proportion of sulphuric acid is increased. The invention inhibits such etching by addition to the bath of an aromatic ring compound, in which at least 2 hetero atoms are conjugated with the ring such as benztriazole. .Iadd.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: September 27, 1983
    Assignee: Albright & Wilson Ltd.
    Inventor: Terence R. Rooney