Ian Michael Johnson

This inventor holds 7 USPTO granted patents. Top assignees: Allied Colloids Limited, Ciba Specialty Chemicals Water Treatments Limited. Active years: 1981-2000.

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 116(Granted Patents)

Location History:

Brighouse, GB (1981)
West Yorkshire, GB (1986 - 2000)

Company Filing History:

5 out of 168

Allied Colloids Limited

patents

2 out of 103

Ciba Specialty Chemicals Water Treatments Limited

patents

Years Active: 1981-2000

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6031037 - Polymeric compositions and their production and uses (2000-02-29),

2. 6001920 - Polymeric compositions and their production and uses (1999-12-14),

3. 5684106 - Superabsorbent polymers and products containing them (1997-11-04),

4. 4798861 - Surface treatment of polymers (1989-01-17),

5. 4585843 - Exothermic reactions (1986-04-29),

6. 4259023 - Apparatus and process for mixing or reacting incompletely miscible phases (1981-03-31),

7. 4256660 - Sulphonated derivatives of acrylamide and their preparation (1981-03-17),

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