Inventor
COFFIN ROBERT C
US12 patents
⚠️ This page may combine multiple inventors who share the name “COFFIN ROBERT C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
5 patentsUSD889754SJul 7, 2020
Hearing protector
3M INNOVATIVE PROPERTIES CO7 citations81
US11407872B2Aug 9, 2022
Foam compositions comprising polylactic acid polymer, polyvinyl acetate polymer and plasticizer, articles, and methods of making and using same
3M INNOVATIVE PROPERTIES CO2 citations71
US11076995B2Aug 3, 2021
Cold-drawn polyolefin copolymers cord for earplug
3M INNOVATIVE PROPERTIES CO0 citations61
US11304851B2Apr 19, 2022
Push-to-fit earplug with tip cavity
3M INNOVATIVE PROPERTIES CO0 citations57
USD895901SSep 8, 2020
Hearing protector
3M INNOVATIVE PROPERTIES CO0 citations49
CHEVRON PHILLIPS CHEMICAL CO LP
4 patentsUS9708549B2Jul 18, 2017
Method for making polyalphaolefins using aluminum halide catalyzed oligomerization of olefins
CHEVRON PHILLIPS CHEMICAL CO LP11 citations83
US10927052B2Feb 23, 2021
Decene oligomers
CHEVRON PHILLIPS CHEMICAL CO LP6 citations82
US10435491B2Oct 8, 2019
Method for making polyalphaolefins using ionic liquid catalyzed oligomerization of olefins
CHEVRON PHILLIPS CHEMICAL CO LP4 citations72
US10647626B2May 12, 2020
Decene oligomers
CHEVRON PHILLIPS CHEMICAL CO LP4 citations71