Inventor

EHRHARDT WILLIAM C

US3 patents

Patents

3 patents

US6585933B1Jul 1, 2003

Method and composition for inhibiting corrosion in aqueous systems

BETZDEARBORN INC198 citations92

US5871691AFeb 16, 1999

Inhibition of corrosion in aqueous systems

BETZDEARBORN INC20 citations91

US5866042AFeb 2, 1999

Methods and compositions for inhibiting corrosion

BETZDEARBORN INC35 citations90