Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1982-05-17
1983-11-22
Kittle, John E.
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
210698, 210700, 252180, C02F 512, C02F 514
Patent
active
044167857
ABSTRACT:
Compositions which will inhibit the formation of scale due to calcium carbonate precipitation in recirculating water systems will comprise a mixture of polyvinylpyrrolidone and aminotri(methylenephosphonic acid). The compositions will be present in the water system in a range of from about 2 to about 25 ppm of said system and will contain the components of the composition in a mole ratio in the range of from about 1: to about 1:10 moles of polyvinylpyrrolidone per mole of phosphonic acid.
REFERENCES:
patent: 3434969 (1969-03-01), Ralston
patent: 3925453 (1975-12-01), Clark, III
patent: 3959167 (1976-05-01), Hwa et al.
patent: 3960576 (1976-06-01), Carter
patent: 3962110 (1976-06-01), Tate
patent: 4026815 (1977-05-01), Kallfass et al.
patent: 4105581 (1978-08-01), Sexsmith
patent: 4243591 (1981-01-01), Magin
patent: 4255259 (1981-03-01), Hwa et al.
Bortnik Michael
Menke Russell O.
Hoatson Jr. James R.
Kittle John E.
Nelson Raymond H.
Page II William H.
UOP Inc.
LandOfFree
Scale-inhibiting compositions of matter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Scale-inhibiting compositions of matter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scale-inhibiting compositions of matter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1814188