Growing community of inventors

Stamford, CT, United States of America

George Alperin

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 19

George Alperin ↔ Raymond Feinland (2 patents)George Alperin ↔ Richard DeMarco (1 patent)George Alperin ↔ Winfield H Howard (1 patent)George AlperinGeorge Alperin (2 patents)Raymond FeinlandRaymond Feinland (10 patents)Richard DeMarcoRichard DeMarco (4 patents)Winfield H HowardWinfield H Howard (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Clairol Incorporated (2 from 283 patents)


2 patents:

1. 3951589 - Aqueous alkaline hair dye compositions

2. 3930792 - Hair dyeing and conditioning compositions

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as of
12/31/2025
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