Patents Assigned to SFA International, Inc.

Method of reducing smoke and particulate emissions from steam boilers and heaters operating on solid fossil fuels

Patent number: 7229482

Abstract: A method of reducing smoke and particulate emissions from steam boilers and process heaters operating on solid fuel by adding a fuel additive which contains an oil-dispersible iron compound and an over-based magnesium compound to the solid fuel.

Type: Grant

Filed: April 28, 2003

Date of Patent: June 12, 2007

Assignee: SFA International, Inc.

Inventor: Walter R. May
Method of reducing smoke and particulate emissions from steam boilers and heaters operating on liquid petroleum fuels

Patent number: 6986327

Abstract: A method of reducing smoke and particulate emissions from steam boilers and process heaters operating on liquid petroleum fuel by adding a fuel additive which contains an oil-dispersible iron compound and an over-based magnesium compound to liquid petroleum fuel.

Type: Grant

Filed: April 28, 2003

Date of Patent: January 17, 2006

Assignee: SFA International, Inc.

Inventor: Walter R. May
Method of reducing smoke and particulate emissions from compression-ignited reciprocating engines operating on liquid petroleum fuels

Patent number: 6866010

Abstract: A method of reducing smoke and particulate emissions from an exhaust gas from a compression-ignited reciprocating engine by adding a fuel additive that contains an oil-soluble iron compound and an over-based magnesium compound to liquid petroleum fuel.

Type: Grant

Filed: July 10, 2002

Date of Patent: March 15, 2005

Assignee: SFA International, Inc.

Inventor: Walter R. May

Method of reducing smoke and particulate emissions from steam boilers and heaters operating on solid fossil fuels

Method of reducing smoke and particulate emissions from steam boilers and heaters operating on liquid petroleum fuels

Method of reducing smoke and particulate emissions from compression-ignited reciprocating engines operating on liquid petroleum fuels