Number | Date | Country | Kind |
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3939/72 | Mar 1972 | CH |
This is a continuation-in-part of our copending application Ser. No. 340,641, filed Mar. 12, 1973, now abandoned.
Entry |
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quilico, Chem. Abstract, 21, 738-739 (1927); 22, 1765, 1965-1966 (1928). |
Gilbert, "Sulfonation and Related Reactions," pp. 21-22, 78-80, 353, 354, 362, 379, 413, 414, 417 (1965). |
Number | Date | Country | |
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Parent | 340641 | Mar 1973 |