Bizarre Patents
Crispy Chip Sandwich and Process of Producing a Sandwich Product
A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.
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| Number | Title | Issue Date |
| 5795465 | Process for recovering copper from copper-containing material The present invention provides a process that employs both non-selective flotation and oxidative leaching of the resulting concentrates to recover an increased amount of copper from porphyry copper ores. The non-selective flotation step uses collectors an... | 08/18/1998 |
| 4242129 | Method of recovering metals The leaching, precipitation and flotation method of recovering metals from ores is simplified by carrying out the leaching and precipitation steps simultaneously in the same reaction vessel. The method is particularly useful for recovering metals from low... | 12/30/1980 |
