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Patent No. 5971829

Motorized Ice Cream Cone

A Receptacle for supporting, rotating and sculpting a portion of ice cream or similarly malleable food while it is being consumed.

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Class 423/621 - Molten


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Processes in which the elemental lead is in the fused or
No. of patents: 7
Last issue date: 07/31/2001


NumberTitleIssue Date
6267949Sunscreen composition
The invention provides a sunscreen formulation including conventional UVB sunscreening agents and zinc oxide having an average particle size in the order of 150 to 800 nm. Preferably the zinc oxide used is pigment grade. Most preferably, zinc oxide prepar...
07/31/2001
5827347Process for the recovery of lead from spent batteries
A process for the recovery of lead from spent battery paste and lead containing materials. The process includes the steps of calcination of a spent paste treated with an alkali carbonate or hydroxide or any mixture thereof, and elemental sulphur at a temp...
10/27/1998
5788739Process for recovering metallic lead from exhausted batteries
The present invention relates to a process for the recovery of metallic lead from exhausted lead-acid batteries. According to the invention, the metallic scrap obtained thereof is treated by a smelting operation which is carried out under a layer of a mol...
08/04/1998
5651952Process for the production of litharge (PbO)
A process for the production of litharge in which molten lead is reacted with oxygen at a temperature above the melting point of litharge. According to the invention, oxygen is injected into a bath containing molten lead such that the velocity of the inje...
07/29/1997
4975268Method for finish burning of litharge
The method according to the invention for producing industrial litharge of more than 99.98, preferably more than 99.99, % by weight oxide content, wherein liquid lead in heated form is introduced into a reactor in an amount which is constant and uniform i...
12/04/1990
4536385Method and apparatus for the production of industrial lead oxide
A method and an apparatus for the production of industrial lead oxide involving mixing molten lead and air in a reactor. A particularly advantageous, having a desired particle size can be obtained with a PbO content of considerably more than 99%. The lead...
08/20/1985
4521399Method and apparatus for the production of lead oxide
A stationary horizontal cylindrical reactor for the production of lead oxide utilizes a series of horizontal rotating blades to promote and maintain the oxidation reaction, to provide a particle size reduction and to effect centrifugal classification of t...
06/04/1985
 
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