Compositions – Leather or fur treating
252180, 210699, E21B 4328, C02F 514
A scale inhibiting composition comprises the combination of (a) a copolymer of an alkene, preferably a branched chain alkene, and an unsaturated dicarboxylic acid or anhydride, in acidic or neutralized form, and (b) an organic polyphosphonic acid or salt.
A preferred composition contains the sodium salt of a copolymer of isobutene and maleic anhydride and 1-hydroxyethyl-1,1-diphosphonic acid.
The compositions may be used in secondary or tertiary oil recovery, desalination of sea water and the softening of boiler feed water.
patent: 2723956 (1955-11-01), Johnson
patent: 3214454 (1965-10-01), Blaser et al.
patent: 3483925 (1969-12-01), Slyker
patent: 3532167 (1970-10-01), Noe et al.
patent: 3600524 (1986-07-01), Cuisia et al.
patent: 3663448 (1972-05-01), Ralston
patent: 3715307 (1973-02-01), Johnson et al.
patent: 3965003 (1976-06-01), Stanford et al.
patent: 4008164 (1977-02-01), Watson et al.
patent: 4306991 (1981-12-01), Hwa et al.
patent: 4563284 (1986-01-01), Amjad
Callaghan Ian C.
Terapane John F.
The Britisch Petroleum Company p.l.c.
Scale inhibitors 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 inhibitors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scale inhibitors will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1742121