Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085708 | Lignosulfonates, oxycarboxylates, polycarboxylates, and polyoxalklene, alkylaryl and alkyl ethers admixtures for ultra-dry mix concrete | Hiroshi Nomachi, Makoto Takada, Yukihide Takatsu, Kenichi Umezawa | 1992-02-04 |