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:
Jul. 17, 1984
Filed:
Oct. 18, 1982
George B Keyes, Cincinnati, OH (US);
Randall G Richards, Cincinnati, OH (US);
The Drackett Company, Cincinnati, OH (US);
Abstract
A passive dispenser adapted for placement in a body of liquid for dispensing materials, such as toilet tank additives, e.g., disinfectants, detergents, dyes, fragrances, and the like, in solution form from the dispenser in response to a lowering of the height of the body of liquid from a first elevation to a second elevation, the dispenser comprising two dispensing sections, the first dispensing section comprising a first product chamber containing a water-soluble cake, forming upon dissolution the first solution, and the second dispensing section comprising a second product chamber and a third product chamber, each said chamber containing a water-soluble cake, forming upon dissolution the second solution, the third chamber being disposed at least partially above the second chamber, there being fluid communication means therebetween, said second section being in separate relationship from the first section. When adapted for use as a toilet tank dispenser, the cake contained in the first section is a surfactant cake, containing in addition to one or more surface-active constituents optional ingredients such as dyes and fragrances, while the cakes contained in the second section are disinfectant cakes containing a halogen-releasing agent having a water solubility of less than 5.0 gms./100 gms. water at 77.degree. F.