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For the Inventor, By the Inventor

Caracas, Venezuela

Maria Luisa Chirinos

This inventor holds 11 USPTO granted patents. Top assignees: Intevep, S.a., The British Petroleum Company, P.l.c., Other. Active years: 1988-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Maria Luisa Chirinos. Retrieved from https://idiyas.com/inventor/maria-luisa-chirinos

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 9

Forward Citations = 137(Granted Patents)


Location History:

  • Caracus, VE (1990)
  • Caracas, VE (1988 - 1998)

Company Filing History:

goldMedal10 out of 333 
 
Intevep, S.a.
 patents
silverMedal4 out of 558 
 
The British Petroleum Company, P.l.c.
 patents
bronzeMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1988-1998

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11 patents (USPTO):Explore Patents
1. 5851430 - Bituminous emulsions (1998-12-22),
2. 5670087 - Method of preparing HIPR bituminous emulsions (1997-09-23),
3. 5641433 - Preparation of HIPR emulsions (1997-06-24),
4. 4934398 - Preparaton of HIPR emulsions and transportation thereof (1990-06-19),
5. 4923483 - Viscous hydrocarbon-in-water emulsions (1990-05-08),
6. 4915819 - Treatment of viscous crude oils (1990-04-10),
7. 4895641 - Method of desalting crude oil (1990-01-23),
8. 4806231 - Method for desalting crude oil (1989-02-21),
9. 4801304 - Process for the production and burning of a natural-emulsified liquid (1989-01-31),
10. 4795478 - Viscous hydrocarbon-in-water emulsions (1989-01-03),
11. 4781819 - Treatment of viscous crude oils (1988-11-01),

Title: **Maria Luisa Chirinos: Innovator in Bituminous Emulsions**

Introduction

Maria Luisa Chirinos, a prominent inventor based in Caracas, Venezuela, has made significant contributions to the field of bituminous emulsions. With an impressive portfolio of 10 patents, her work focuses on enhancing the properties and applications of bitumen, particularly in road construction and protective coatings.

Latest Patents

Among her latest innovations, Maria Luisa developed a method for preparing High-Performance Road (HIPR) emulsions of bitumen in water. This process involves mixing 70 to 98% by volume of bitumen with a viscosity range of 200 to 500,000 mPa.s and 30 to 2% by volume of an emulsifying surfactant. The mixing occurs under low shear conditions, resulting in an emulsion with highly distorted bitumen droplets ranging from 2 to 50 microns, separated by thin films of water. Notably, these emulsions can be adjusted for lower bitumen content, making them ideal for road-making and the creation of protective surfaces.

Career Highlights

Maria Luisa has garnered valuable experience through her work with prestigious companies such as Intevep, S.A. and the British Petroleum Company, PLC. These roles have allowed her to develop her expertise in bitumen technology and its practical applications.

Collaborations

Throughout her career, Maria Luisa has collaborated with notable colleagues, including Ignacio A. Layrisse and Alistair Stewart Taylor. These partnerships have contributed to her innovative approaches and have expanded her influence within the industry.

Conclusion

Maria Luisa Chirinos stands out as a leading inventor in the realm of bituminous emulsions. Her dedication to innovation and her scientific rigor have paved the way for advancements that not only enhance the properties of road materials but also promote safer, more efficient construction practices. The impact of her patents is likely to resonate in the industry for years to come.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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