Company Filing History:

4 out of 6,892

Sumitomo Chemical Company, Limited

patents

Years Active: 1983-1999

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5962723 - Method for producing benzyl bromide derivatives (1999-10-05),

2. 4733001 - Method for preparing a mixture of stereoisomers of (1988-03-22),

3. 4432908 - Crystal of enantiomer pair of phenylacetic acid ester derivative and (1984-02-21),

4. 4422978 - Method for preparing optically active carboxylic acid esters (1983-12-27),

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Location History:

Company Filing History:

Years Active: 1983-1999