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:
Mar. 02, 1999
Filed:
Nov. 13, 1997
Applicant:
Inventors:
Ian C Callaghan, Wokingham, GB;
Grace Abamba, London, GB;
Robert Kinsley, Windlesham, GB;
Timothy I Moodycliffe, Sunbury-On-Thames, GB;
Richard P Woodbury, Amherst, NH (US);
Assignee:
S. C. Johnson & Son, Inc., Racine, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
510114 ; 510434 ; 510488 ; 510489 ; 510479 ; 510506 ;
Abstract
A range of novel biodegradable aqueous acid cleaning systems for removing limescale from surfaces, especially stainless steel and porcelain surfaces, wherein said system comprises a biodegradable aqueous acid system, said system having a pH of less than 7.0, said system comprising at least one of the following acids: