Compositions – Preservative agents – Anti-corrosion
Patent
1982-11-08
1985-03-05
Padgett, Ben R.
Compositions
Preservative agents
Anti-corrosion
252181, 252392, 210697, 210701, 422 16, 422 18, C23F 1118
Patent
active
045029784
ABSTRACT:
A method of enhancing corrosion inhibition of inorganic corrosion inhibitors, particularly stabilized phosphate corrosion inhibitors, when used in high hardness waters containing at least 800 ppm total hardness which comprises adding to the high hardness waters a combined product which includes both the inorganic corrosion inhibitor system and an effective amount of a water-soluble acrylic acid:acrylamide copolymer having an acrylic acid:acrylamide weight ratio between 1:4 and 1:2 and having a molecular weight between 1,000-25,000.
REFERENCES:
patent: 3463730 (1969-08-01), Booth et al.
patent: 3793194 (1974-02-01), Zecher
patent: 3891568 (1975-06-01), Nishio et al.
patent: 3941562 (1976-03-01), Hollingshad
patent: 3965027 (1976-06-01), Boffardi et al.
patent: 3992318 (1976-11-01), Gaupp et al.
patent: 4126549 (1978-11-01), Jones et al.
patent: 4143222 (1979-03-01), Goretta et al.
patent: 4196272 (1980-04-01), Goretta et al.
patent: 4361492 (1982-11-01), Dubin
patent: 4387027 (1983-06-01), May et al.
Meier Daniel A.
Romberger John A.
Epple Donald G.
Miller Robert A.
Nalco Chemical Company
Padgett Ben R.
Premo John G.
LandOfFree
Method of improving inhibitor efficiency in hard waters does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of improving inhibitor efficiency in hard waters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of improving inhibitor efficiency in hard waters will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1733349