Company Filing History:

11 out of 312

Calgon Corporation

patents

1 out of 1,167

Nalco Chemical Company

patents

Years Active: 1988-2003

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6656377 - Inorganic composition, process of preparation and method of use (2003-12-02),

2. 6306308 - Inorganic composition, process of preparation and method of use (2001-10-23),

3. 6184257 - Composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same (2001-02-06),

4. 5948270 - Method for reducing turbidity in laundry waste water (1999-09-07),

5. 5785730 - Fertilizer and method for preparing the same (1998-07-28),

6. 5776350 - Separation of raw agricultural waste (1998-07-07),

7. 5624570 - Method for reducing turbidity in laundry waste water (1997-04-29),

8. 5330656 - Polysalt compositions and the use thereof for treating an oil and water (1994-07-19),

9. 5286390 - Method for treating deink wastes using melamine aldehyde-type polymers (1994-02-15),

10. 5035808 - Flocculation of suspended solids from aqueous solutions (1991-07-30),

11. 4800039 - Flocculation of suspended solids from aqueous solutions (1989-01-24),

12. 4746457 - Flocculation of suspended solids from aqueous solutions (1988-05-24),

Title: The Innovative Contributions of Denis E Hassick

Introduction

Denis E Hassick is a notable inventor based in Monroeville, PA (US). He has made significant contributions to the field of water treatment through his innovative patents. With a total of 12 patents, his work has had a lasting impact on the industry.

Latest Patents

Hassick's latest patents focus on an inorganic composition, process of preparation, and method of use for a coagulant. This coagulant is the reaction product of a trivalent metal salt, excluding chromium salts, an acid phosphorous compound, and an aluminum hydroxy chloride. The process for preparing this coagulant allows it to effectively remove suspended solids and various impurities in most water treatment applications. His work in this area demonstrates a commitment to improving water quality and treatment processes.

Career Highlights

Throughout his career, Denis E Hassick has worked with prominent companies such as Calgon Corporation and Nalco Chemical Company. His experience in these organizations has contributed to his expertise in developing innovative solutions for water treatment challenges.

Collaborations

Hassick has collaborated with notable professionals in his field, including Joseph Peter Miknevich and Michael P Flaherty. These collaborations have likely enriched his work and expanded the impact of his inventions.

Conclusion

Denis E Hassick's contributions to the field of water treatment through his patents and collaborations highlight his innovative spirit and dedication to improving environmental quality. His work continues to influence the industry and serves as an inspiration for future inventors.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.