Inventor · disambiguated record
Charles R. Pfeifer
Also filed as: PFEIFER CHARLES R
2 granted patents·60 citations·filing 1986–1988
66Inventor score
Files withBASF CORP2
Top patents by PatentIndex Score
2 records- 0171US4861501AStain resistant composition for synthetic organic polymer fibers and method of use: fluorocarbon polymerBASF CORP·Filed 1988·Granted Aug 29, 1989·31 cites·38 claims
- 0271US4772328AHydraulic cementitious compositions reinforced with fibers containing polyacrylonitrileBASF CORP·Filed 1986·Granted Sep 20, 1988·29 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Charles R. Pfeifer 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 →