Inventor · disambiguated record

Dan V. Calcar

Also filed as: CALCAR DAN V

1 granted patent·35 citations·filing 1994–1994

46Inventor score

Technology areasD21H

Files withHOPTON TECHNOLOGIES INC1

Top patents by PatentIndex Score

1 record

0164US5472485AUse of zirconium salts to improve the surface sizing efficiency in paper makingHOPTON TECHNOLOGIES INC·Filed 1994·Granted Dec 5, 1995·35 cites·22 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →