Inventor

MACDONALD JOHN M

CA6 patents

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

EXXON RESEARCH ENGINEERING CO

3 patents

US5158671AOct 27, 1992

Method for stabilizing hydroisomerates

EXXON RESEARCH ENGINEERING CO28 citations91

US4028224AJun 7, 1977

Process for the preparation of low pour point lubricating oils

EXXON RESEARCH ENGINEERING CO8 citations65

US4367152AJan 4, 1983

Selected heteroaromatic nitrogen compounds as antioxidant/metal deactivators/electrical insulators in lubricating oils and petroleum liquid fuels

EXXON RESEARCH ENGINEERING CO6 citations60

UNIV CALIFORNIA

2 patents

US5734323AMar 31, 1998

Puncture detecting barrier materials

UNIV CALIFORNIA34 citations87

US6810715B2Nov 2, 2004

In-situ leak testing of glovebox, isolator, or containment unit gloves

UNIV CALIFORNIA10 citations66

MACDONALD JOHN M

1 patent

US3948543AApr 6, 1976

Motorcycle suspension system

MACDONALD JOHN M40 citations83