DOUGLAS J KELLER
Engineering in Cincinnati, OH
License number
Massachusetts 40534
Issued Date
Feb 26, 1998
Expiration Date
Jun 30, 2018
Type
Civil Engineer
Address
Address
Cincinnati, OH 45231
Professional information
Sr. Principal Researcher At Lyondellbasell
Position:
Technical Service at LyondellBasell
Location:
Cincinnati Area
Industry:
Plastics
Work:
LyondellBasell
since Jul 2009
-
Technical Service
LyondellBasell
- Cincinnati, OH Jun 2002 - Jun 2009
-
Technical Service
LyondellBasell
- Cincinnati, OH Aug 2000 - May 2002
-
Quality Assurance Specialist
LyondellBasell
- Cincinnati, OH May 1993 - Jul 2000
-
Technical Service
Woods Hole Oceanographic Institution
Jun 1991 - Aug 1991
-
Summer Researcher
Education:
Massachusetts Institute of Technology 1989 - 1993
BS, Chemical Engineering
BS, Chemical Engineering
Maintenance Technician At Forest Pharmaceuticals
Position:
Maintenance Technician at Forest Pharmaceuticals
Location:
Cincinnati Area
Industry:
Pharmaceuticals
Work:
Forest Pharmaceuticals
-
Maintenance Technician
Douglas Keller - Cincinnati, OH
Work:
United States Air Force - Florence, KY
Defensive fire control systems technician
Defensive fire control systems technician
Education:
Metropolitan College - Cincinnati, OH
Associates in Electronics
Associates in Electronics
Propylene Polymer Compositions Having Improved Color And Stabilizers Therefor.
US Patent:
5574082, Nov 12, 1996
Filed:
May 25, 1995
Appl. No.:
8/450097
Inventors:
Douglas D. Keller - Cincinnati OH
Morgan L. Gibbs - Loveland OH
Morgan L. Gibbs - Loveland OH
Assignee:
Quantum Chemical Company - Cincinnati OH
International Classification:
C08K 515, C08K 509, C08K 510, C08K 512
US Classification:
524110
Abstract:
Useful stabilizer combinations and propylene polymer compositions stabilized therewith having improved resistance to discoloration upon processing are provided. The stabilizer combinations of the invention are comprised of a mixture of calcium salts of stearic acid and lactic acid and a tocopherol-containing mixture consisting essentially of. alpha. -tocopherol, glycerin, polyethylene glycol having an average molecular weight of about 300 and glycerol monocaprylate. Propylene homopolymers and random, block and impact copolymers of propylene are stabilized in accordance with the invention.