Number | Date | Country | Kind |
---|---|---|---|
2935458 | Sep 1979 | DEX |
This is a continuation of application Ser. No. 181,229, filed Aug. 25, 1980, now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
2889304 | Sheffer et al. | Jun 1959 | |
3893642 | Van Vlaenderen | Jul 1975 | |
4145474 | Kertscher et al. | Mar 1979 |
Number | Date | Country |
---|---|---|
599097 | Mar 1948 | GBX |
61037 | Oct 1948 | GBX |
599248 | Jun 1960 | GBX |
Entry |
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Modern Plastics Encyclopedia 1968, Sep. 1967, vol. 45, No. 1A, p. 454. |
Seymour; Raymond B., Additives for Plastics, vol. 2, New York, 1978, Academic Press, p. 114. |
Bjorksten et al., Polyesters and Their Applications, Reinhold Pub. Corp., New York, 1956, p. 95. |
Number | Date | Country | |
---|---|---|---|
Parent | 181229 | Aug 1980 |