Growing community of inventors

South Wirral, United Kingdom

Alexander Johnstone

Average Co-Inventor Count = 3.83

ph-index = 3

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 = 27

Alexander JohnstoneWilliam R Sanderson (5 patents)Alexander JohnstoneScott W Brown (3 patents)Alexander JohnstoneMiranda Service (2 patents)Alexander JohnstoneAnthony Hackett (2 patents)Alexander JohnstoneRobert C Wasson (1 patent)Alexander JohnstoneRobert A Johnstone (1 patent)Alexander JohnstoneMartin Jeff (1 patent)Alexander JohnstoneKenneth T Rowbottom (1 patent)Alexander JohnstonePaul John Middleton (1 patent)Alexander JohnstoneAngela M King (1 patent)Alexander JohnstoneAlexander Johnstone (6 patents)William R SandersonWilliam R Sanderson (21 patents)Scott W BrownScott W Brown (5 patents)Miranda ServiceMiranda Service (2 patents)Anthony HackettAnthony Hackett (2 patents)Robert C WassonRobert C Wasson (11 patents)Robert A JohnstoneRobert A Johnstone (5 patents)Martin JeffMartin Jeff (4 patents)Kenneth T RowbottomKenneth T Rowbottom (3 patents)Paul John MiddletonPaul John Middleton (2 patents)Angela M KingAngela M King (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Solvay Interox Gmbh (6 from 65 patents)


6 patents:

1. 5731460 - Oxidative cleavage of alkenes with a catalyst system containing a source

2. 5665891 - Oxidation of ketones

3. 5473101 - Oxidation of alkylaromatics

4. 5430161 - Epoxidation using hydrogen peroxide and tungsten catalysts

5. 5387724 - Selective hydroxylation of phenol or phenolic ethers

6. 5364982 - Catalytic hydroxylation of phenol

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1/18/2026
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