This is a divisional application of Ser. No. 338,417 now U.S. Pat. No. 3,904,542.
Number | Name | Date | Kind |
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3554918 | Schofield et al. | Jan 1971 | |
3671445 | Schofield et al. | Jun 1972 | |
3728268 | Burt | Apr 1973 |
Entry |
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Chemical Week, Vol. 109, Oct. 20, 1971, "Paint Remover Sales Take Off", pp. 65-66. |
Chemical Abstracts, Vol. 55 (23,877h), 1961. |
Chemical Abstracts, Vol. 66 (3848q), 1967. |
Chem. and Engr. News, Vol. 37, No. 25, 1959, pp. 66-71 and 103. |
Number | Date | Country | |
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Parent | 338417 | Mar 1973 |