Number | Date | Country | Kind |
---|---|---|---|
44-99860 | Dec 1969 | JA |
This is a continuation-in-part of U.S. application Ser. No. 97,382, filed Dec. 11, 1970 and now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
3455483 | Inklaar | Jul 1969 | |
3457205 | Nonweiler | Jul 1969 | |
3814778 | Hosoda et al. | Jun 1974 |
Number | Date | Country |
---|---|---|
2,061,112 | Dec 1970 | DT |
Entry |
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Modern Plastics Encyclopedia 1968, "Plastics Properties chart": New York, McGraw-Hill, c. 1967, vol. 45, No. 1A, Sept. 1967, pp. 30-31, 38, 42-44 and 46. |
CRC Handbook of Chemistry and Physics, 1974-1975 55th Edition, Robert C. Weast, Editor, Cleveland, Ohio, CRC Press, c. 1974, pp. F-96 and F-109. |
Number | Date | Country | |
---|---|---|---|
Parent | 97382 | Dec 1970 |