For the Inventor, By the Inventor

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Houston, TX, United States of America

Milchem Incorporated

USPTO Granted Patents = 14

Trademarks = 16

Forward Citations = 164

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11 inventors (with patents filed for the assignee):

Alphonse C Perricone (7 out of 12 patents)

James M Lucas (6 out of 9 patents)

Dorothy P Enright (4 out of 13 patents)

4. Dennis K Clapper (4 out of 33 patents)

5. Darrell P Salisbury (4 out of 4 patents)

6. Katherine Anne Elting (1 out of 1 patent)

7. Stephen H Elrod (1 out of 1 patent)

8. Weldon B Nance (1 out of 1 patent)

9. Stephen J Schneider (1 out of 1 patent)

10. Leonard D Reagan (1 out of 1 patent)

11. Marion G Bingham (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 4735732 - Filtration control additive for invert emulsion drilling fluids and (1988-04-05),

2. 4728444 - Filtration control additive for invert emulsion drilling fluids and (1988-03-01),

3. 4663076 - Invert emulsion drilling fluid comprising oligamide composition (1987-05-05),

4. 4575428 - Invert emulsion drilling fluid comprising oligamide composition (1986-03-11),

5. 4547299 - Drilling fluid containing a copolymer filtration control agent (1985-10-15),

6. 4354513 - Cuttings washer assembly (1982-10-19),

7. 4309329 - Aqueous drilling fluid additive (1982-01-05),

8. 4305110 - Mud separator valve apparatus (1981-12-08),

9. 4293427 - Drilling fluid containing a copolymer filtration control agent (1981-10-06),

10. 4288582 - Aqueous drilling fluid additive, composition and process (1981-09-08),

11. 4283517 - Continuous process for solution polymerization of acrylamide (1981-08-11),

12. 4268400 - Aqueous drilling fluid additive, composition and process (1981-05-19),

13. 4181617 - Aqueous drilling fluid and lubricant composition (1980-01-01),

14. 4057683 - Graft copolymer and process for making same (1977-11-08),

Milchem Incorporated is a leading manufacturer of specialty chemicals for industrial and agricultural applications. With over 50 years of experience, we provide innovative solutions for a wide range of industries. Our products are known for their high quality and reliability, and we are committed to sustainability and environmental responsibility.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

14 Patents

#360 in Houston, TX

#1,346 in Texas

#21,640 in US

#40,937 in the World

Houston, TX, United States of America

Milchem Incorporated

Forward Citations = 164

11 inventors:

Alphonse C Perricone (7 out of 12 patents)

James M Lucas (6 out of 9 patents)

Dorothy P Enright (4 out of 13 patents)

4. Dennis K Clapper (4 out of 33 patents)

5. Darrell P Salisbury (4 out of 4 patents)

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