Growing community of inventors

Durham, NC, United States of America

Walter N Simmons

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 5

Walter N Simmons ↔ Walter John Simmons (1 patent)Walter N Simmons ↔ Walter J Simmons (0 patent)Walter N SimmonsWalter N Simmons (1 patent)Walter John SimmonsWalter John Simmons (42 patents)Walter J SimmonsWalter J Simmons (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ciba Specialty Chemicals Corporation (1 from 1,524 patents)

2. Ciba Specialty Chemicals Water Treatments Limited (103 patents)


1 patent:

1. 7504084 - High velocity, low pressure process for making silica gels and microgels

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as of
1/8/2026
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