Growing community of inventors

Cambridgeshire, United Kingdom

Alan J Barrett

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 = 12

Alan J Barrett ↔ Daniel H Rich (2 patents)Alan J Barrett ↔ David J Buttle (2 patents)Alan J Barrett ↔ Daniel H Rich (1 patent)Alan J BarrettAlan J Barrett (2 patents)Daniel H RichDaniel H Rich (12 patents)David J ButtleDavid J Buttle (3 patents)Daniel H RichDaniel H Rich (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Boots Company Plc (2 from 171 patents)

2. Daniel H. Rich (0 patent)

3. David J. Buttle (0 patent)

4. Alan J. Barrett (0 patent)


2 patents:

1. 5468480 - Pharmaceutical composition of purified chymopapain

2. 5380656 - Chymopapain and method of purifying it on an inhibitory dipeptide

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as of
12/29/2025
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