Inventor

SZYMANSKI CHESTER D

US7 patents

Patents

7 patents

US4600515AJul 15, 1986

Fluid loss control agents for drilling fluids containing divalent cations

NAT STARCH CHEM CORP40 citations89

US4432967AFeb 21, 1984

Contraceptive composition

NAT STARCH CHEM CORP25 citations80

US4473406ASep 25, 1984

Cementiferous compositions

NAT STARCH CHEM CORP22 citations78

US4517351AMay 14, 1985

Process for reacting quaternary ammonium monomer in the presence of anionic polymers

NAT STARCH CHEM CORP16 citations72

US3961045AJun 1, 1976

Method of treating ulcer

NAT STARCH CHEM CORP7 citations67

US4455408AJun 19, 1984

Process for reacting quaternary ammonium monomers in the presence of anionic polymers

NAT STARCH CHEM CORP4 citations61

US4041001AAug 9, 1977

Wash-resistant antistatic coating compositions

NAT STARCH CHEM CORP4 citations57