Inventor · disambiguated record
Dan Van Calcar
Also filed as: VAN CALCAR DAN
2 granted patents·72 citations·filing 1993–1994
66Inventor score
Files withPANDIAN VERNON E1
Top patents by PatentIndex Score
2 records- 0174US5362573AUse of zirconium salts to improve the surface sizing efficiency in paper makingPANDIAN VERNON E·Filed 1993·Granted Nov 8, 1994·49 cites·19 claims
- 0255US5460645AUse of zirconium salts to improve the surface sizing efficiency in paper makingFiled 1994·Granted Oct 24, 1995·23 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Dan Van Calcar 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 →