| |
|
Inventor: Kato; Yasuo
Address: Ashiya, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6162836 |
Process for preparing aqueous dispersion of higher fatty acid zinc salt |
December 19, 2000 |
| A process for preparing an aqueous dispersion of a higher fatty acid zinc salt which comprises adding a molten higher fatty acid to an aqueous dispersion of zinc oxide and reacting the higher fatty acid with the zinc oxide in the presence of a surfactant or a water-soluble polyvinyl alco |
| 5800677 |
Method for preventing pitch trouble |
September 1, 1998 |
| The invention provides a method for preventing pitch trouble which comprises adding to a pulp slurry a pitch-controlling agent comprising 100 parts by weight of a zinc salt of a higher fatty acid and from 1 to 20 parts by weight of a cationic surfactant. |
|
|
|
