CH

Chih M. Hwa

WC W.R. Grace & Co.-Conn.: 13 patents #43 of 1,045Top 5%
W& W. R. Grace &: 4 patents #44 of 433Top 15%
CH Chemed: 3 patents #1 of 28Top 4%
DL Dearborn Chemical Company Limited: 2 patents #7 of 31Top 25%
BE Betzdearborn: 1 patents #106 of 202Top 55%
📍 Palatine, IL: #70 of 1,176 inventorsTop 6%
🗺 Illinois: #2,867 of 84,256 inventorsTop 4%
Overall (All Time): #176,106 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
5830383 Method for inhibition of oxygen corrosion in aqueous systems by the use of a tannin activated oxygen scavenger Brian Greaves, Stephen Clifford Poole, Joseph C. Fan 1998-11-03
5587109 Method for inhibition of oxygen corrosion in aqueous systems by the use of a tannin activated oxygen scavenger Brian Greaves, Stephen Clifford Poole, Joseph C. Fan 1996-12-24
5244600 Method of scavenging oxygen in aqueous systems Dionisio G. Cuisia, Murrell L. Salutsky 1993-09-14
5183574 Method of dispersing iron John A. Kelly, Wun Ten Tai, Lai-Duien Grace Fan, Robert P. Kreh, Brian Greaves 1993-02-02
5176849 Composition and method for scavenging oxygen Dionisio G. Cuisia, Ronald L. Oleka 1993-01-05
5167866 Control of corrosion in aqueous systems using certain phosphonomethyl amine oxides John A. Kelly, Janet Neton, Patricia Scanlon, Roger R. Gaudette 1992-12-01
5096595 Control of scale in aqueous systems using certain phosphonomethyl amine oxides John A. Kelly, Janet Neton, Patricia Scanlon, Roger R. Gaudette 1992-03-17
5069798 Control of scale in aqueous systems using certain phosphonomethyl amines John A. Kelly, Janet Neton, Patricia Scanlon, Roger R. Gaudette 1991-12-03
5051532 N,N-bis-phosphonomethyl taurine N-oxide and water-soluble salts thereof John A. Kelly, Janet Neton, Patricia Scanlon, Roger R. Gaudette 1991-09-24
5019343 Control of corrosion in aqueous systems using certain phosphonomethyl amines John A. Kelly, Janet Neton, Patricia Scanlon, Roger R. Gaudette 1991-05-28
4980128 Control of corrosion in aqueous systems Dionisio G. Cuisia, Murrell L. Salutsky 1990-12-25
4977292 4-phosphonomethyl-2-hydroxy-2-oxo-1,4,2-oxazaphosphorinane N-oxide and water-soluble salts thereof John A. Kelly, Mita Adhya 1990-12-11
4973744 Ethoxylated N,N-bis-phosphonomethyl 2-(hydroxy)ethylamine N-oxides and water-soluble salts thereof John A. Kelly, Mita Adhya 1990-11-27
4847001 Control of corrosion in aqueous systems Dionisio G. Cuisia, Murrell L. Salutsky 1989-07-11
4680125 Method of inhibiting the deposition of scale in an aqueous system Dionisio G. Cuisia 1987-07-14
4649025 Anti-corrosion composition Wayne A. Mitchell 1987-03-10
4631131 Method for inhibiting scale Dionisio G. Cuisia 1986-12-23
4609483 Scale inhibiting composition Dionisio G. Cuisia 1986-09-02
4600524 Composition and method for inhibiting scale Dionisio G. Cuisia 1986-07-15
4581145 Composition and method for inhibiting scale Dionisio G. Cuisia, Anne H. Kemp 1986-04-08
4350606 Composition and method for inhibiting corrosion Dionisio G. Cuisia 1982-09-21
4306991 Scale inhibition Dionisio G. Cuisia 1981-12-22
4255259 Scale inhibition Dionisio G. Cuisia 1981-03-10
4190421 Fireside treating compositions 1980-02-26