C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 341/00 (2006.01) C23F 11/16 (2006.01) C23F 11/173 (2006.01)
Patent
CA 2332242
Thiacrown ether and polymeric thiacrown ether compounds are disclosed. The thiacrown ether ring structures are substituted and have from 4 to about 10 sulfur atoms on each of the crown rings. The polymeric thiacrown ether ring structures are substituted with polymers and have from 4 to about 10 sulfur atoms on each of the crown rings. The thiacrown compounds of the present invention are expected to have utility in a wide range of applications including but not limited to utility as metal ion chelating, sequestering, and complexing agents. The thiacrown compounds are also expected to have utility as corrosion inhibitors for cooling tower, boiler, and waste water systems, hydrocarbon process systems and metal surface treatments systems.
L'invention concerne des composés d'éther thiacouronne et d'éther thiacouronne polymère. Les structures des chaînes d'éther thiacouronne sont substituées et comportent entre 4 et 10 atomes de soufre environ sur chacune des chaînes de couronnes. Ces structures de chaînes d'éther thiacouronne polymère sont substituées par des polymères et comportent entre 4 et 10 atomes de soufre environ sur chacune des chaînes de couronnes. Les composés de thiacouronne selon l'invention présentent une grande utilité dans diverses applications y compris, sans s'y limiter, comme agent chélateurs d'ions métalliques, agents séquestrants et agents complexants. Les composés de thiacouronne sont également utiles comme inhibiteurs de la corrosion dans des tours de refroidissement, des chaudières et des systèmes de traitement des eaux usées, de traitement des hydrocarbures et de traitement des surfaces métalliques.
Chen Fu
Gaboury Janet A.
Betzdearborn Inc.
Moffat & Co.
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