Inventor
LOGAN ALAN
CA4 patents
⚠️ This page may combine multiple inventors who share the name “LOGAN ALAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GULF OIL CANADA LTD
3 patentsUS4155654AMay 22, 1979
Apparatus for continuous preparation of sulfur asphalt binders and paving compositions
GULF OIL CANADA LTD19 citations77
US4039423AAug 2, 1977
Preparation of petroleum pitch
GULF OIL CANADA LTD8 citations67
US4013540AMar 22, 1977
Petroleum pitch preparation
GULF OIL CANADA LTD10 citations64