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For the Inventor, By the Inventor

Palatine, IL, United States of America

Chih M Hwa

This inventor holds 31 USPTO granted patents, primarily in Corrosion Inhibition. Top assignees: W. R. Grace Co.-Conn., Chemed Corporation, W. R. Grace Co.. Active years: 1976-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chih M Hwa. Retrieved from https://idiyas.com/inventor/chih-m-hwa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 31

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 17

Forward Citations = 597(Granted Patents)


Location History:

  • Arlington Heights, IL (US) (1978)
  • Palantine, IL (US) (1979 - 1986)
  • Palatine, IL (US) (1976 - 1998)

Company Filing History:

goldMedal13 out of 1,391 
 
W. R. Grace Co.-Conn.
 patents
silverMedal10 out of 45 
 
Chemed Corporation
 patents
bronzeMedal4 out of 853 
 
W. R. Grace Co.
 patents
4. 2 out of 18 
 
Dearborn Chemical Company Ltd.
 patents
5. 1 out of 217 
 
Betzdearborn, Inc.
 patents
6. 1 out of 1 
 
R. W. Grace & Co.
 patent

Years Active: 1976-1998

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Areas of Expertise:
Corrosion Control
Scale Inhibition
Aqueous Systems
Phosphonomethyl Compounds
Anti-Corrosion Composition
Boiler Water Treatment
Oxygen Scavenging
Decomposition Prevention
Fireside Treating
Composition Methods
Iron Dispersing
31 patents (USPTO):Explore Patents
1. 5830383 - Method for inhibition of oxygen corrosion in aqueous systems by the use (1998-11-03),
2. 5587109 - Method for inhibition of oxygen corrosion in aqueous systems by the use (1996-12-24),
3. 5244600 - Method of scavenging oxygen in aqueous systems (1993-09-14),
4. 5183574 - Method of dispersing iron (1993-02-02),
5. 5176849 - Composition and method for scavenging oxygen (1993-01-05),
6. 5167866 - Control of corrosion in aqueous systems using certain phosphonomethyl (1992-12-01),
7. 5096595 - Control of scale in aqueous systems using certain phosphonomethyl amine (1992-03-17),
8. 5069798 - Control of scale in aqueous systems using certain phosphonomethyl amines (1991-12-03),
9. 5051532 - N,N-bis-phosphonomethyl taurine N-oxide and water-soluble salts thereof (1991-09-24),
10. 5019343 - Control of corrosion in aqueous systems using certain phosphonomethyl (1991-05-28),
11. 4980128 - Control of corrosion in aqueous systems (1990-12-25),
12. 4977292 - 4-phosphonomethyl-2-hydroxy-2-oxo-1,4,2-oxazaphosphorinane N-oxide and (1990-12-11),
13. 4973744 - Ethoxylated N,N-bis-phosphonomethyl 2-(hydroxy)ethylamine N-oxides and (1990-11-27),
14. 4847001 - Control of corrosion in aqueous systems (1989-07-11),
15. 4680125 - Method of inhibiting the deposition of scale in an aqueous system (1987-07-14),

Title: The Inventor Profile of Chih M Hwa

Introduction: Chih M Hwa is a renowned inventor based in Palatine, IL (US) known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Chih M Hwa holds several patents in various technological domains, showcasing his continuous commitment to pushing the boundaries of innovation.

Career Highlights: With a career spanning over two decades, Chih M Hwa has worked with leading tech companies, bringing to life cutting-edge inventions that have revolutionized the industry.

Collaborations: Throughout his career, Chih M Hwa has collaborated with top researchers, engineers, and scientists, fostering a culture of innovation and excellence in all his projects.

Conclusion: Chih M Hwa's passion for innovation and his relentless pursuit of technological advancement make him a true pioneer in the world of inventions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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