Title:
制御された放出添加剤組成物
Document Type and Number:
Japanese Patent JP4663961
Kind Code:
B2
Abstract:
Methods of treating aqueous coolants in open circulating water cooling tower systems are provided. The methods including placing a controlled release additive composition in contact with an open circulating aqueous coolant in an open circulating water cooling tower system. The controlled release additive composition includes a core having at least one additive selected from corrosion inhibitors and scale inhibitors; and a coating, for example, a polymeric coating, substantially surrounding the core. The coating is substantially insoluble in the aqueous coolant, and is effective to slow the release of the at least one additive into the aqueous coolant.
Inventors:
Breakmore thomas
Chen Yu-Sen
Kelly dennis
Chen Yu-Sen
Kelly dennis
Application Number:
JP2002581086A
Publication Date:
April 06, 2011
Filing Date:
February 12, 2002
Export Citation:
Assignee:
Dover Chemical Corporation
International Classes:
C02F1/00; F28F19/00; B01J2/00; B01J2/28; C02F1/50; C02F5/10; C02F5/14; C08K5/00; C08L1/28; C08L31/04; C08L33/04; C08L101/00; C09K5/10; F28F19/01; C02F1/68; C02F5/00
Domestic Patent References:
| JP57197214A | ||||
| JP62501198A |
Foreign References:
| US3336155 | ||||
| US5741433 | ||||
| WO1992011084A1 |
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda