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For the Inventor, By the Inventor

San Pedro Garza Garcia, Mexico

Grupo Petrotemex S.a. De C.v.


USPTO Granted Patents = 64



Trademarks = 4

Forward Citations = 76

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62 inventors (with patents filed for the assignee):

goldMedal Alan George Wonders (20 out of 77 patents)

silverMedal Mary Therese Jernigan (15 out of 34 patents)

bronzeMedal Bruce Roger DeBruin (13 out of 60 patents)

4.  Frederick Leslie Colhoun (9 out of 17 patents)

5.  Kenny Randolph Parker (8 out of 147 patents)

6.  Michael Paul Ekart (8 out of 36 patents)

7.  Stephen Weinhold (8 out of 19 patents)

8.  Wayne Scott Strasser (6 out of 39 patents)

9.  Marcel De Vreede (6 out of 40 patents)

10.  Lee R Partin (6 out of 70 patents)

11.  Ronald Buford Sheppard (5 out of 27 patents)

12.  Steven Lee Stafford (5 out of 28 patents)

13.  Mark Edward Stewart (5 out of 23 patents)

14.  Rodney Scott Armentrout (5 out of 10 patents)

15.  Philip Edward Gibson (5 out of 35 patents)


Core Competencies:
Polyester Production
Dicarboxylic Acid Production
Polyester Polymer Particles
Oxidation System
Acetaldehyde Generation
Energy Recovery
Filtration Rate Control
Polyester Blends
Thermal Crystallization
High Intrinsic Viscosity
Steam Heating Integration
Carboxylic Acid Drying

64 patents:

1. 10370486 - Polyester polymer particles having a small surface to center molecular weight gradient (2019-08-06),
2. 10029973 - Optimized liquid-phase oxidation (2018-07-24),
3. 10000435 - Energy and environmentally integrated method for production of aromatic dicarboxylic acids by oxidation (2018-06-19),
4. 9963413 - Terephthalic acid purge filtration rate by controlling % water in filter feed slurry (2018-05-08),
5. 9849434 - Methods and apparatus for enhanced gas distribution (2017-12-26),
6. 9777111 - PET polymer with improved properties (2017-10-03),
7. 9505692 - Dicarboxylic acid production with self-fuel oxidative destruction (2016-11-29),
8. 9493389 - Dicarboxylic acid production with enhanced energy recovery (2016-11-15),
9. 9493388 - Dicarboxylic acid production with direct fired off-gas heating (2016-11-15),
10. 9493387 - Dicarboxylic acid production with minimal wastewater generation (2016-11-15),
11. 9267007 - Method for addition of additives into a polymer melt (2016-02-23),
12. 9062200 - Polyester blends exhibiting low temperature toughness (2015-06-23),
13. 8987408 - High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates (2015-03-24),
14. 8968686 - Oxidation system with sidedraw secondary reactor (2015-03-03),
15. 8936767 - Oxidation system with sidedraw secondary reactor (2015-01-20),
GRUPO PETROTEMEX S.A. DE C.V. is a leading petrochemical company based in Mexico. The company specializes in the production and distribution of various petrochemical products including polymers, resins, and other chemical compounds. With a strong focus on innovation and sustainability, GRUPO PETROTEMEX continues to introduce cutting-edge technologies and solutions in the petrochemical industry. The company is committed to meeting the growing demands of its customers while maintaining high-quality standards and environmental responsibility.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

64 Patents

#1 in San Pedro Garza Garcia

#3 in Mexico

#11,187 in the World

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San Pedro Garza Garcia, Mexico

Grupo Petrotemex S.a. De C.v.

Forward Citations = 76

62 inventors:

goldMedal Alan George Wonders (20 out of 77 patents)

silverMedal Mary Therese Jernigan (15 out of 34 patents)

bronzeMedal Bruce Roger DeBruin (13 out of 60 patents)

4.  Frederick Leslie Colhoun (9 out of 17 patents)

5.  Kenny Randolph Parker (8 out of 147 patents)

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