Ernesto J Castillo

This inventor holds 15 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 4 EPO patents, primarily in Ophthalmic Compositions. Top assignees: Alcon Laboratories, Inc., Alcon, Inc., Alcon Manufacturing, Ltd.. Active years: 1996-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ernesto J Castillo. Retrieved from https://idiyas.com/inventor/ernesto-j-castillo

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

Calculating rank

USPTO Granted Patents = 15 (Patent Applications = 4)

% Patents Active = 73.3

CIPO Patents = 1

EPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 3.1

ph-index = 8

Forward Citations = 212(Granted Patents)

Location History:

Arlington, TX (US) (1996 - 2008)
Fort Worth, TX (US) (2013)
Forth Worth, TX (US) (2016)

Company Filing History:

7 out of 449

Alcon Laboratories, Inc.

Alcon Manufacturing, Ltd.

Years Active: 1996-2016

Loading Chart...

Areas of Expertise:

Ophthalmic Composition

Sustained Release

Topical Administration

Preservative System

Polymeric Compounds

Amphiphilic Surfactants

Ocular Therapy

Antimicrobial Effectiveness

Fatty Acid Soaps

Amino Acid Surfactants

Pharmaceutical Formulations

Copolymers

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9446093 - Injectable aqueous ophthalmic composition and method of use therefor (2016-09-20),

2. 8431751 - Polymeric quaternary ammonium compounds with vicinal hydroxy groups (2013-04-30),

3. 7402609 - Olopatadine formulations for topical administration (2008-07-22),

4. 7001615 - Sustained release ophthalmic, otic and nasal suspension (2006-02-21),

5. 6995186 - Olopatadine formulations for topical administration (2006-02-07),

6. 6743439 - Ophthalmic compositions containing copolymers of sulfonated styrene and maleic anhydride (2004-06-01),

7. 6486208 - Sustained release, and comfortable opthalmic composition and method for ocular therapy (2002-11-26),

8. 6444710 - Use of certain fatty acid/amino acid soaps to enhance antimicrobial effectiveness of topically administrable pharmaceutical compositions (2002-09-03),

9. 6284749 - Preservative system for topically administrable pharmaceutical compositions containing a fatty acid/amino acid soap (2001-09-04),

10. 6211238 - Preservative system for topically administrable pharmaceutical compositions (2001-04-03),

11. 6146622 - Use of certain anionic amino acid based surfactants to enhance (2000-11-14),

12. 5985310 - Preservative systems for pharmaceutical compositions containing (1999-11-16),

13. 5662919 - Sulfated polyvinyl alcohol polymers to stabilize pharmaceutical drug (1997-09-02),

14. 5540918 - Use of certain anionic surfactants to enhance antimicrobial (1996-07-30),

15. 5520920 - Use of certain anionic surfactants to enhance antimicrobial (1996-05-28),

Title: The Innovations of Ernesto J Castillo

Introduction

Ernesto J Castillo is a prominent inventor based in Arlington, TX, known for his significant contributions to ophthalmic compositions. With a total of 15 patents to his name, Castillo has made remarkable advancements in the field of eye care.

Latest Patents

Among his latest patents is an injectable aqueous ophthalmic composition and method of use therefor. This invention focuses on providing an ophthalmic composition suitable for intravitreal injection. The composition includes a complexing agent that reacts with endogenous components in the eye, such as hyaluronic acid, to form a mass of enhanced viscosity. This mass aids in creating a desirable release profile of therapeutic agents. Another notable patent involves polymeric quaternary ammonium compounds with vicinal hydroxy groups. These new compounds are useful as disinfectants in contact lens care compositions and as preservatives in ophthalmic compositions. The compositions containing these compounds are particularly effective for disinfecting and cleaning contact lenses.

Career Highlights

Castillo has worked with leading companies in the ophthalmic industry, including Alcon Laboratories, Inc. and Alcon, Inc. His work has significantly impacted the development of innovative solutions for eye care.

Collaborations

Throughout his career, Castillo has collaborated with notable professionals, including Wesley Wehsin Han and Onkar N Singh. These collaborations have contributed to the advancement of his inventions and the overall field of ophthalmology.

Conclusion

Ernesto J Castillo's contributions to ophthalmic innovations demonstrate his commitment to improving eye care through his inventive solutions. His patents reflect a deep understanding of the needs within the industry and a dedication to enhancing the quality of life for individuals with eye conditions.

Profile summary based on public USPTO records.