NEW YORK — Bob Mason, former vice president of sales and marketing at Kennetex Inc., died Thursday at University of Pennsylvania Health System hospital in Philadelphia from complications related to heart surgery he had in September. He was 62.

Mason worked as a sales and marketing manager at DuPont for more than 30 years prior to his position at Kennetex, which he held from 1992 to 1998. He retired in 1998, but continued working as a consultant for companies including Optimer Inc.

He is survived by his wife, Judy; three children, Rod, Mike and Chrissy; his mother, and six grandchildren.