Assignee
DU PONT HOWSON LTD
GB·3 granted patents·14 citations·filing 1990–1991
Top patents by PatentIndex Score
3 records- 0137US5278030ADeveloper solution comprising ethyl hexyl sulphate, a surfactant, an alkaline material and having a pH of not less than 12DU PONT HOWSON LTD·Filed 1990·Granted Jan 11, 1994·8 cites·7 claims
- 0233US5162193ARadiation sensitive devicesDU PONT HOWSON LTD·Filed 1990·Granted Nov 10, 1992·4 cites·10 claims
- 0331US5162431APolymeric compounds having urethane and sulfonate groupsDU PONT HOWSON LTD·Filed 1991·Granted Nov 10, 1992·2 cites·13 claims
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