Patent Number: 8,575,225

Title: Use of low triphenylphosphate, high phosphorous content isopropyl phenyl phosphates as flame retardants in polyurethane or polyisocyanurate foams

Abstract: The present invention relates to the use of low triphenyl phosphate, high phosphorous content aryl phosphates with high ortho alkylation as flame retardants in polyurethane or polyisocyanurate foams or polyurethane or polyisocyanurate foam formulations.

Inventors: Layman, Jr.; William J. (Baton Rouge, LA), Mack; Arthur G. (Prairieville, LA), Tsao; Techen (Baton Rouge, LA), Aplin; Jeffrey T. (Pasadena, TX), Chew; Hoover (Summerville, SC)

Assignee: Hickory Springs Manufacturing Company

International Classification: C08G 18/38 (20060101)

Expiration Date: 1/05/12017