RJ

Robert E. Hefner, Jr.

The Dow Chemical: 10 patents #2 of 619Top 1%
📍 Rosharon, TX: #1 of 4 inventorsTop 25%
🗺 Texas: #10 of 4,134 inventorsTop 1%
Overall (1989): #353 of 140,708Top 1%
10
Patents 1989

Issued Patents 1989

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
4883844 Substituted styrylaza epoxy resins John W. Robinson, Jimmy D. Earls 1989-11-28
4851483 Styrylaza vinyl esters John W. Robinson 1989-07-25
4847337 Polystyrene modified advanced epoxy resin and polyester copolymers 1989-07-11
4847402 Curable cyanoalkylaromatic compositions 1989-07-11
4835228 Rheology low gloss, high impact strength powder coating resins Deborah I. Haynes 1989-05-30
4829133 Sulfide containing aliphatic epoxy resins Paul L. Wykowski 1989-05-09
4820798 Cyanate functional maleimide thermosetting composition 1989-04-11
4820797 Cyanate functional maleimide thermosetting composition 1989-04-11
4816546 Mixed epoxy resins comprising sulfide containing aliphatic epoxy resins Paul L. Wykowski 1989-03-28
4798908 Curable amidoalkylaromatic compositions 1989-01-17