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. 21, 1978
Filed:
May. 21, 1976
Berndt-Dieter Holdt, Dusseldorf, DT;
Hans Dieter Soldanski, Essen, DT;
Gunter Wischberg, Erkrath-Unterfeldhaus, DT;
Christian Hase, Erkrath-Unterbach, DT;
Dieter Kuhling, Monheim, DT;
Harald Schnegelberger, Leichlingen, DT;
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf, Holthausen, DT;
Abstract
Drain-pipe cleaning compositions of the sodium hydroxide -- aluminum chip -- sodium nitrate type possess the added capability of dissolving or disintegrating proteinaceous fibrous material, without impairment of their capability of removing grease deposits, when they have a small content of a water-soluble glycoluril or a glycoluril derivative. The compositions are specially useful for freeing drain-pipes which are clogged by fatty deposits containing animal hair.