Growing community of inventors

Blue Bell, PA, United States of America

Robert W Klein

Average Co-Inventor Count = 1.60

ph-index = 12

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 = 535

Robert W KleinMary E Foxx (5 patents)Robert W KleinGeorge W Nuss, Jr (3 patents)Robert W KleinAlbert M Packman (3 patents)Robert W KleinJames A Smith (1 patent)Robert W KleinRobert W Klein (16 patents)Mary E FoxxMary E Foxx (5 patents)George W Nuss, JrGeorge W Nuss, Jr (9 patents)Albert M PackmanAlbert M Packman (5 patents)James A SmithJames A Smith (67 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. William H. Rorer, Inc. (8 from 146 patents)

2. Dermik Laboratories Inc. (6 from 9 patents)

3. Other (1 from 832,718 patents)

4. Creative Products Resource, Inc. (1 from 12 patents)


16 patents:

1. 6013637 - Anti-acne method and composition

2. 6001380 - Medicated applicator sheet for topical drug delivery

3. 5767098 - Anti-acne method and composition

4. 5446028 - Anti-acne method and composition

5. 4692329 - Erythromycin/benzoyl peroxide antiacne compositions

6. 4497794 - Erythromycin/benzoyl peroxide composition for the treatment of acne

7. 4486405 - Pigmented cosmetic vehicle containing a mixture of alkoxylated

8. 4388301 - Method and composition for treating acne

9. 4387107 - Stable benzoyl peroxide composition

10. 4305936 - Topical corticosteroid formulations

11. 4178373 - Coal tar gel composition

12. 4163783 - Synergistic compositions and method of use to treat inflammation

13. 4152431 - Compositions and method of use

14. 4152430 - Synergistic compositions and method of use

15. 4147782 - Pharmaceutical detergent composition

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as of
12/13/2025
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