For the Inventor, By the Inventor

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Chicago, IL, United States of America

Hallstar Innovations Corp.

USPTO Granted Patents = 33

% Expired Patents = 27.3

EPO Patents = 5

Trademarks = 25

Forward Citations = 308

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16 inventors (with patents filed for the assignee):

Craig Alan Bonda (30 out of 64 patents)

Anna Pavlovic (23 out of 30 patents)

Jean Zhang (8 out of 10 patents)

4. Shengkui Hu (6 out of 16 patents)

5. Stephen O'Rourke (5 out of 13 patents)

6. Zhihui Zhang (4 out of 7 patents)

7. Qing Jean Zhang (3 out of 5 patents)

8. Kimberly L Stefanisin (3 out of 12 patents)

9. Gary Wentworth (3 out of 18 patents)

10. Stephen J Semlow (2 out of 6 patents)

11. Urvil B Shah (2 out of 8 patents)

12. Gary A Neudahl (1 out of 1 patent)

13. John English (1 out of 7 patents)

14. Zhi Chen (1 out of 5 patents)

15. Jerome M Klosowski (1 out of 31 patents)

Core Competencies:

Photostabilization

UV Absorbers

Organic Molecules

Electronic Excitation

Biopolymer Compositions

Porphyrin Compounds

Chromophore

Alkoxycrylene Compounds

Thermoplastic Compositions

Polyanhydride Resins

Dibenzyolmethane Derivatives

Reactive Oxygen Species

33 patents: Sort by Forward Citations

1. 9867800 - Method of quenching singlet and triplet excited states of pigments, such as porphyrin compounds, particularly protoporphyrin IX, with conjugated fused tricyclic compounds have electron withdrawing groups, to reduce generation of reactive oxygen species, particularly singlet oxygen (2018-01-16),

2. 9765051 - Compositions, apparatus, systems, and methods for resolving electronic excited states (2017-09-19),

3. 9611246 - Compositions, apparatus, systems, and methods for resolving electronic excited states (2017-04-04),

4. 9443624 - Aryl substituted propenoic amides and esters (2016-09-13),

5. 9145383 - Compositions, apparatus, systems, and methods for resolving electronic excited states (2015-09-29),

6. 9125829 - Method of photostabilizing UV absorbers, particularly dibenzyolmethane derivatives, e.g., Avobenzone, with cyano-containing fused tricyclic compounds (2015-09-08),

7. 8329148 - Photostabilization of coenzyme Q compounds with alkoxycrylene compounds (2012-12-11),

8. 8278332 - Photostabilization of retinoids with alkoxycrylene compounds (2012-10-02),

9. 8268294 - Photostabilization of retinoids with alkoxycrylene compounds (2012-09-18),

10. 8263051 - Photostabilization of resveratrol with alkoxycrylene compounds (2012-09-11),

11. 8263050 - Method of quenching electronic excitation of chromophore-containing organic molecules in photoactive compositions (2012-09-11),

12. 8257687 - Photostabilization of coenzyme Q compounds with alkoxycrylene compounds (2012-09-04),

13. 8158731 - Biopolymer compositions having improved flexibility (2012-04-17),

14. 8133477 - Dispersions of inorganic particulates containing alkoxycrylene (2012-03-13),

15. 8075808 - Method of quenching electronic excitation of chromophore-containing organic molecules in photoactive compositions (2011-12-13),

Company Overview

Hallstar Innovations Corp. is a Chicago-based company specializing in the development and manufacturing of innovative chemical solutions. The organization focuses on creating advanced materials and specialty chemicals that serve various industries, including personal care, pharmaceuticals, and agriculture. Hallstar leverages its expertise in chemistry and formulation science to deliver tailored solutions that meet the evolving needs of its clients, emphasizing sustainability and performance in its product offerings.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

33 Patents

#139 in Chicago, IL

#562 in Illinois

#10,297 in US

#20,130 in the World

Chicago, IL, United States of America

Hallstar Innovations Corp.

Forward Citations = 308

16 inventors:

Craig Alan Bonda (30 out of 64 patents)

Anna Pavlovic (23 out of 30 patents)

Jean Zhang (8 out of 10 patents)

4. Shengkui Hu (6 out of 16 patents)

5. Stephen O'Rourke (5 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hallstar Innovations Corp.. Retrieved from https://idiyas.com/company/hallstar-innovations

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

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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