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For the Inventor, By the Inventor

Manchester, United Kingdom

Allen Crabtree

This inventor holds 5 USPTO granted patents. Top assignee: Imperial Chemical Industries Limited. Active years: 1976-1979.

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Manchester, EN (1976 - 1977)
  • Manchester, GB (1979)

Company Filing History:

goldMedal5 out of 3,840 
 
Imperial Chemical Industries Limited
 patents

Years Active: 1976-1979

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5 patents (USPTO):Explore Patents
1. 4139345 - Dyeing process and compositions for use therein (1979-02-13),
2. 4012378 - Reactive dyestuffs (1977-03-15),
3. 3992381 - Diazine dyestuffs (1976-11-16),
4. 3956300 - Reactive triazinyl dyestuffs (1976-05-11),
5. 3951974 - Triazine dyestuffs (1976-04-20),
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