Claims
- 1. A condensation polymer of formaldehyde with a naphthalene compound, wherein the repeating unit of said polymer having the structure (A), ##STR2## wherein R is selected from the group consisting of --COOM and --CH.sub.2 COOM and M is selected from the group consisting of hydrogen, lithium, sodium and potassium.
Parent Case Info
This is a division, of application Ser. No. 172,494, filed July 25, 1980, now U.S. Pat. No. 4,362,712.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
2954360 |
Krzikalla et al. |
Sep 1960 |
|
4276408 |
Robinson et al. |
Jun 1981 |
|
4334055 |
Robinson et al. |
Jun 1982 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
172494 |
Jul 1980 |
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