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For the Inventor, By the Inventor

Oak Lawn, IL, United States of America

Lawrence J Connelly

USPTO Granted Patents = 15

Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 178(Granted Patents)


Company Filing History:

goldMedal15 out of 1,167 
 
Nalco Chemical Company
 patents

Years Active: 1976-1997

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15 patents (USPTO):Explore Patents
1. 5653886 - Coagulant for mineral refuse slurries (1997-08-05),
2. 5387405 - Bayer liquor polishing (1995-02-07),
3. 5296006 - 3-acrylamido-3-methylbutanoic acid copolymers as selective coal (1994-03-22),
4. 5217620 - Clarification aid for the Bayer process (1993-06-08),
5. 5185135 - Method of dewatering a wet process phosphoric acid slurry (1993-02-09),
6. 5091159 - Use of dextran as a filtration aid for thickener overflow filtration in (1992-02-25),
7. 5009873 - Crystal modification in wet process phosphoric acid production (1991-04-23),
8. 4786318 - Thickening of gold process slurries (1988-11-22),
9. 4713222 - Iron removal from bayer process liquor (1987-12-15),
10. 4704209 - Sulphonate-containing terpolymers as flocculants for suspended solids (1987-11-03),
11. 4555329 - Selective flocculation of coal (1985-11-26),
12. 4545902 - Flocculants for bauxite (red mud) (1985-10-08),
13. 4374102 - Polymers for controlling soda ash crystal formation (1983-02-15),
14. 4171296 - Method of hydrolyzing polyacrylamide (1979-10-16),
15. 3998777 - Method of hydrolyzing polyacrylamide (1976-12-21),

Title: Innovations of Lawrence J Connelly

Introduction

Lawrence J Connelly is a notable inventor based in Oak Lawn, Illinois. He has made significant contributions to the field of chemical engineering, particularly in the development of innovative solutions for mineral processing. With a total of 15 patents to his name, Connelly's work has had a substantial impact on various industrial applications.

Latest Patents

One of Connelly's latest patents is focused on a coagulant for mineral refuse slurries. This invention involves the use of cross-linked diallyldimethyl ammonium chloride polymers in water-in-oil emulsion form. These coagulants are designed for suspensions of inorganic solids, which can include materials such as coal, copper ore, and precious metals. The formulation is engineered to invert after being added to the inorganic solids suspension, facilitating further processing in mechanical thickening devices.

Another significant patent by Connelly pertains to Bayer liquor polishing. This secondary polishing process utilizes a combination of bio-polymers, particularly bio-carbohydrates like dextran, along with an inert insoluble solid. This innovative approach treats the primary red mud settler overflow and clarifies the treated liquors in a secondary clarifier. The results achieved can significantly reduce suspended solids, making sand filter or Kelly filter operations viable options in the Bayer Process.

Career Highlights

Connelly has built a successful career at Nalco Chemical Company, where he has been instrumental in advancing chemical solutions for various industries. His expertise in polymer chemistry and mineral processing has led to numerous innovations that enhance operational efficiency and environmental sustainability.

Collaborations

Throughout his career, Connelly has collaborated with esteemed colleagues, including Robert P Mahoney and Robert L Wetegrove. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Lawrence J Connelly's contributions to the field of chemical engineering through his patents and innovations have made a lasting impact on mineral processing. His work continues to influence the industry, showcasing the importance of creativity and collaboration in driving technological advancements.

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