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Dallas, TX, United States of America

Diamond Shamrock Chemicals Company

USPTO Granted Patents = 61

Trademarks = 4

Forward Citations = 1,372

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65 inventors (with patents filed for the assignee):

Stanley A Lipowski (8 out of 16 patents)

Arpad Savoly (7 out of 18 patents)

John G Papalos (6 out of 25 patents)

4. Robert A LieBerman (6 out of 8 patents)

5. Jose L Villa (6 out of 17 patents)

6. Francis A Higbie (5 out of 6 patents)

7. Ira M Rose (5 out of 6 patents)

8. John J Miskel, Jr (5 out of 10 patents)

9. Dinshaw F Bardoliwalla (5 out of 7 patents)

10. Reuben H Grinstein (4 out of 35 patents)

11. Martin J Schick (4 out of 5 patents)

12. Edwin L Kelley (4 out of 5 patents)

13. James E Maloney (3 out of 9 patents)

14. Christopher M Garvey (3 out of 4 patents)

15. Michael J Covitch (2 out of 16 patents)

Core Competencies:

Radiation Hardenable Diluents

Drilling Fluid Dispersant

Polyfunctional Aziridines

Fluid Loss Agents

Aqueous Drilling Fluids

Self-Inverting Polymer Emulsions

Carbonaceous Materials

Anionic Dispersants

Temperature Resistant Coatings

Electroplating

Hydrogen Sulfide Removal

Solid State Sensors

61 patents: Sort by Forward Citations

1. 5292965 - Starting materials for improved radiation-hardenable diluents (1994-03-08),

2. 5243085 - Starting materials for improved radiation hardenable diluents (1993-09-07),

3. 5159119 - Starting material for improved radiation hardenable diluents (1992-10-27),

4. 5110889 - Radiation hardenable compositions containing low viscosity diluents (1992-05-05),

5. 5053554 - Radiation-hardenable diluents (1991-10-01),

6. 4876384 - Radiation-hardenable diluents (1989-10-24),

7. 4814389 - Drilling fluid dispersant (1989-03-21),

8. 4810328 - Method of brown stock washing (1989-03-07),

9. 4800229 - Phosphated acrylates of alkoxylated alcohols (1989-01-24),

10. 4770952 - Magnetic recording media dispersants (1988-09-13),

11. 4744795 - Terpolymers of ethyl acrylate/methacrylic acid/unsaturated acid ester of (1988-05-17),

12. 4742105 - Binary deflocculating compositions (1988-05-03),

13. 4711731 - Drilling fluid dispersant (1987-12-08),

14. 4699225 - Drilling fluids containing AMPS, acrylic acid, itaconic acid polymer (1987-10-13),

15. 4696981 - Method of manufacturing polyamino acid with microwaves (1987-09-29),

Diamond Shamrock Chemicals Company is a leading global manufacturer and supplier of specialty chemicals. With a history spanning over 50 years, we are known for our commitment to quality, innovation, and customer satisfaction. Our diverse portfolio includes a wide range of chemical products used in various industries such as automotive, construction, electronics, and healthcare. Visit our website to learn more about our products and solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

61 Patents

#31 in Dallas, TX

#332 in Texas

#5,749 in US

#11,629 in the World

Dallas, TX, United States of America

Diamond Shamrock Chemicals Company

Forward Citations = 1,372

65 inventors:

Stanley A Lipowski (8 out of 16 patents)

Arpad Savoly (7 out of 18 patents)

John G Papalos (6 out of 25 patents)

4. Robert A LieBerman (6 out of 8 patents)

5. Jose L Villa (6 out of 17 patents)

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