Growing community of inventors

Lincolnshire, IL, United States of America

Eugene Zeffren

Average Co-Inventor Count = 2.77

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 95

Eugene ZeffrenGerald Patrick Newell (5 patents)Eugene ZeffrenTeresa J Dowell (5 patents)Eugene ZeffrenMyra A Hoshowski (1 patent)Eugene ZeffrenEugene Zeffren (6 patents)Gerald Patrick NewellGerald Patrick Newell (22 patents)Teresa J DowellTeresa J Dowell (6 patents)Myra A HoshowskiMyra A Hoshowski (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Helene Curtis, Inc. (6 from 140 patents)


6 patents:

1. 5665267 - Shampoo compositions and suspending agent therefor

2. 5587154 - Shampoo compositions and suspending agent therefor

3. 5562898 - Opacifier for water-based compositions

4. 5393519 - Shampoo compositions

5. 5384114 - Opacifier for water-based compositions

6. 4960588 - Hair treatment compositions to impart durable hair set retention

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/16/2026
Loading…