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Chicago, IL, United States of America

Hallstar Innovations Corp.

USPTO Granted Patents = 33

EPO Patents = 5

Trademarks = 33

Forward Citations = 278

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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 15 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)

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),

Hallstar is a leading global provider of specialty chemical solutions. We inspire our customers' innovation by leveraging cutting-edge technologies, regulatory expertise, and market insights. Our portfolio includes functional ingredients and solutions for personal care, industrial, and specialty markets. With a focus on sustainability and responsible sourcing, Hallstar is committed to delivering safe, effective, and environmentally friendly solutions to our customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

33 Patents

#131 in Chicago, IL

#539 in Illinois

#9,945 in US

#19,552 in the World

Chicago, IL, United States of America

Hallstar Innovations Corp.

Forward Citations = 278

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 15 patents)

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

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