Growing community of inventors

Cottage Grove, MN, United States of America

Robert J Nelson

Average Co-Inventor Count = 2.00

ph-index = 14

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 = 757

Robert J NelsonAlexis S Statham (30 patents)Robert J NelsonRobert J Nelson (30 patents)Alexis S StathamAlexis S Statham (33 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. 3M Innovative Properties Company (29 from 14,087 patents)

2. Medicis Pharmaceutical Corporation (1 from 69 patents)


30 patents:

1. 8557838 - Immune response modifier formulations containing oleic acid and methods

2. 8080560 - Immune response modifier formulations containing oleic acid and methods

3. 7939555 - Method of preparing a pharmaceutical cream and minimizing imiquimod impurity formation

4. 7928117 - Method of inducing cytokine biosynthesis

5. 7928116 - Method of treating actinic keratosis

6. 7928118 - Reduction of imiquimod impurities in pharmaceutical creams

7. 7923463 - Methods for stabilizing imiquimod for two months, four months, and six months

8. 7919501 - Method of controlling formation of imiquimod impurities

9. 7915278 - Method of treating basal cell carcinoma

10. 7915277 - Method of treating genital or peri-anal warts

11. 7915279 - Method of treating mollescum contagiosum

12. 7906543 - Method of reducing imiquimod impurity formation

13. 7906526 - Method of treating a dermal and/or mucosal associated condition

14. 7906524 - Pharmaceutical cream having similar or less levels of imiquimod impurity formation as cream with BHA (comparator)

15. 7906525 - Reduction of imiquimod impurities at four months using refined oleic acid

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as of
1/9/2026
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