RZ

Robert L. Zimmerman

Chevron: 69 patents #26 of 4,788Top 1%
HP Huntsman Petrochemical: 13 patents #13 of 174Top 8%
🗺 Texas: #670 of 125,132 inventorsTop 1%
Overall (All Time): #21,783 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 26–50 of 82 patents

Patent #TitleCo-InventorsDate
5130491 Continuous preparation of secondary amines from nitriles using a nickel catalyst 1992-07-14
5091585 Continuous preparatin of tertiary aliphatic methyl amines Wei-Yang Su 1992-02-25
5075506 Continuous preparation of secondary amines from nitriles using cobalt and zirconium 1991-12-24
5037838 Method for the manufacture of triethylenediamine using a pelleted titania-supported tungstopyrophosphate catalyst John F. Knifton 1991-08-06
5013813 Polyurea elastomer with rapid dry time Dudley J. Primeaux, II 1991-05-07
5003107 Catalytic method for the reductive amination of poly(oxytetramethyle) glycols John M. Larkin 1991-03-26
4994621 Aminated, alkoxylated hydroxyl-terminated polybutadienes Ernest L. Yeakey, Michael Cuscurida 1991-02-19
4826930 Melamine-diamine condensates and the cure of 1,2-epoxide resins therewith Harold G. Waddill, George P. Speranza 1989-05-02
4825000 Phenyl glycidyl ether modified polyoxyalkylene diamines and epoxy resin compositions therefrom John M. Larkin, Michael Cuscurida, Harold G. Waddill 1989-04-25
4810261 Reaction product additive and ori-inhibited motor fuel composition Rodney L. Sung, Milton D. Behrens, Michael A. Caggiano, John F. Knifton, John M. Larkin 1989-03-07
4789689 Amine catalyst for urethanes Terry L. Renken 1988-12-06
4769438 Aminated propoxylated 1,4-butanediol epoxy resin adducts as epoxy resin curatives Harold G. Waddill, Kathy B. Sellstrom 1988-09-06
4747851 Novel polyoxyalkylene diamine compound and ori-inhibited motor fuel composition Rodney L. Sung, Milton D. Behrens, Michael A. Caggiano, John F. Knifton, John M. Larkin 1988-05-31
4742168 Anti-caking agent for triethylenediamine 1988-05-03
4698428 Catalytic method for the manufacture of N,N'-dimethylpiperazine Steven H. Vanderpool 1987-10-06
4647664 Catalytic method for the manufacture of N-alkylmorpholines Steven H. Vanderpool 1987-03-03
4615771 Method of separating bis-(2-aminoethyl)ether from N-(2-methoxyethyl)morpholine by azeotropic distillation and extraction Roger G. Duranleau 1986-10-07
4579630 Method of separating primary amines from tertiary amines by azeotropic distillation 1986-04-01
4487912 Reaction injection molded elastomers containing acid amides Richard J. G. Dominguez 1984-12-11
4482743 Hydroxyalkyl bis(dialkylaminoalkyl)amine manufacture Ernest L. Yeakey 1984-11-13
4470782 Apparatus for producing orthotics Elliot G. Swan 1984-09-11
4469823 Flexible polyurethane foams made using an aromatic polyester polyol Ernest L. Yeakey, Michael E. Brennan 1984-09-04
4464488 Polyurethanes using monocarboxylic acid salts of bis(aminoethyl)ether derivatives as catalysts Bruce W. Peterson 1984-08-07
4463050 "Polyurethane catalyst system additive which permits the use of relatively ""cold"" molds" 1984-07-31
4454297 2-[2-Aminoethoxy-2-ethylamino]alkanol as an epoxy curing agent Harold G. Waddill 1984-06-12