The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 1978
Filed:
Dec. 29, 1976
Applicant:
Inventors:
Malcolm J Smith, Stockport, GB;
Peter Miles, Stockport, GB;
Norman Richardson, Manchester, GB;
Michael A Finan, Macclesfield, GB;
Assignee:
Ciba Geigy (UK) Limited, , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02B / ;
U.S. Cl.
CPC ...
210 58 ; 252180 ; 252181 ; 2605 / ; 526 27 ;
Abstract
A method of inhibiting the precipitation of the scale forming salts of calcium, magnesium, barium and strontium from aqueous systems comprising adding to the aqueous system a minor proportion of a product comprising a telomeric compound of the formula: ##STR1## or salts thereof, wherein R.sup.11 is hydrogen or a methyl or ethyl residue and n is a positive integer of at most 100, R is hydroxyl and R.sup.1 is hydroxyl.