Claims
- 1. A compound of the formula: ##STR8## wherein X represents N(RNR'.sub.2), R represents a C.sub.2 to C.sub.4 alkylene group and R' represents a C.sub.1 to C.sub.5 alkyl group.
Parent Case Info
This is a continuation-in-part of U.S. patent application Ser. No. 750,246, filed Dec. 13, 1976, now abandoned, which is a division of U.S. patent application Ser. No. 670,881, filed Mar. 26, 1976, now U.S. Pat. No. 4,025,469.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3527657 |
Huther et al. |
Sep 1970 |
|
4025469 |
Kauffman |
May 1977 |
|
Non-Patent Literature Citations (4)
Entry |
Von Hans Krassig, Makromol. Chem. vol. 17, pp. 77 to 130 (1956) (Brief English abst. in Chem. Abst. vol. , cols. 13953-13954 (1956). |
Bergmann et al., Ber. Deut. Chem. vol. 57, pp. 662-664 (1924) (brief English abst. in Chem. Abst. vol. 18, p. 2683 (1924). |
Walker (I), Formaldehyde, frontispage, pp. 199-202 and 209-210, Reinhold Publ. Corp. NY (1944). |
Walker (II), Formaldehyde, frontispage and p. 282 (1953), Reinhold Publ. Corp. NY. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
670881 |
Mar 1976 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
750246 |
Dec 1976 |
|