Inventor

RHUBRIGHT DOUGLAS C

US5 patents

⚠️ This page may combine multiple inventors who share the name “RHUBRIGHT DOUGLAS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LUBRIZOL CORP

4 patents

US5817831AOct 6, 1998

Alkylation of aromatic amines using a heterpoly catalyst

LUBRIZOL CORP6 citations70

US5712413AJan 27, 1998

Process for the preparation of N-hydrocarbyl-substituted amides such as tert-butylacrylamide via the Ritter reaction using solid heteropolyacid catalysts

LUBRIZOL CORP5 citations61

US5811580ASep 22, 1998

Process for the preparation of N-hydrocarbyl-substituted amides via the ritter reaction using solid clay catalysts

LUBRIZOL CORP6 citations58

US5986155ANov 16, 1999

Catalytic process for making high reactivity alkylating agents and products resulting therefrom

LUBRIZOL CORP3 citations56

COGNIS CORP

1 patent

US6423304B1Jul 23, 2002

Dimerized fatty acid based polyamides useful for clear candle and gel applications

COGNIS CORP5 citations59