RZ

Robert L. Zimmerman

Chevron: 11 patents #2 of 236Top 1%
🗺 Texas: #5 of 2,272 inventorsTop 1%
Overall (1982): #100 of 81,411Top 1%
11
Patents 1982

Issued Patents 1982

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
4350778 Method for making RIM polyurethane elastomers using as the catalyst system a hydroxyalkylamine, dibutyltin dilaurate and an alkyltin mercaptide Richard J. G. Dominguez, Doris M. Rice 1982-09-21
4348488 Polyurethanes using novel N-substituted perhydrodioxazepines as catalysts Edward E. McEntire 1982-09-07
4342687 N-Substituted perhydrodioxazepines useful as polyurethane catalysts Edward E. McEntire 1982-08-03
4338408 Polyurethanes using bis(aminoethyl)ether derivatives as catalysts Ernest L. Yeakey 1982-07-06
4332720 N,N'-Polyoxyalkylene bis(lactam carboxylic acids) Heinz Schulze, Harold G. Waddill 1982-06-01
4326050 Process and product Heinz Schulze, Harold G. Waddill 1982-04-20
4326042 Morpholine and piperazine derivatives in a catalyst system for polyester-based polyurethane foams 1982-04-20
4323658 Polyisocyanurates from diols modified with epoxy resins George P. Speranza 1982-04-06
4316991 Modification of polyols with epoxy resins George P. Speranza, Michael Cuscurida 1982-02-23
4315079 Process of making an isocyanurate foam Heinz Schulze, Harold G. Waddill 1982-02-09
4310634 Novel polyisocyanurate catalyst Edward E. McEntire 1982-01-12