Inventor · disambiguated record
Irwin John Seward, Jr.
Also filed as: SEWARD JR IRWIN J · SEWARD JR IRWIN JOHN
2 granted patents·18 citations·filing 1983–2014
53Inventor score
Top patents by PatentIndex Score
2 records- 0175US4554378AProcess for preparing polyamines with ion exchange resin catalystsDOW CHEMICAL CO·Filed 1983·Granted Nov 19, 1985·18 cites·8 claims
- 0246US10010809B2Thin-film treatment of high-value glycol and amine solvents to remove contaminantsMPR SERVICES INC·Filed 2014·Granted Jul 3, 2018·0 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when Irwin John Seward, Jr. files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →