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A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
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| Number | Title | Issue Date |
| 4137162 | Method for treating waste waters A method for treating waste waters to remove oils and/or COD therefrom, which comprises accomodating solid porous packing pieces and activated carbon particles in a container, the porous packing pieces forming a stationary porous packed bed, the average p... | 01/30/1979 |
| 4082660 | Method of purification The purification agent is constituted by a pulverulent mineral solid, on the surface of the constituent particles of which chains of polymers are fixed by grafting. The agent is useful for the purification of waters polluted for example by organic impurit... | 04/04/1978 |
| 4066539 | Oil-recovering material and process for preparing and using the same Atactic polypropylene is cooled, disintegrated into granules, mixed with cereal powders such as wheat flour, starch powders, etc. thereby to deposit the cereal powders around the granules, and returned to room temperature thereby to prepare an oil-recover... | 01/03/1978 |
| 4039489 | Oil and fat absorbing polymers A polymer system and resulting method useful for absorbing fats or oils which comprises forming a solid, network polymer having a minimal amount of cross-linking. The polymer that remains solid at a swelling ratio in oil or fat of at least ten and thus pr... | 08/02/1977 |
| 4013585 | Nitrohumic acid-containing adsorbents and process for producing same New adsorbents comprising granules of a mixture of nitrohumic acid and one r more proteins. These adsorbents are utilizable effectively for adsorbing heavy metals and oils contained in water. They are produced advantageously by either a process wherein a m... | 03/22/1977 |
| 4011175 | Composition for separating hydrocarbons from water A compound for separating organic liquids, particularly hydrocarbons from an organic liquid-water system including a loose mass of expanded perlite mixed with clays and a fibrous filler formed by demoisturizing an aqueous suspension of the compound and co... | 03/08/1977 |
| 4006079 | Oil absorbent material and method of oil removal A method of oil removal wherein glass fibers are formed from melted glass, sprayed with a binder, and collected on a conveyor in a continuous process. A woven scrim of continuous glass filaments is fed from a roll to the conveyor along with the glass fibe... | 02/01/1977 |
| 3990970 | Absorbent products for hydrocarbons A pulp, i.e. an amorphous mass obtained by precipitation by means of a non-solvent, of an artificial or synthetic polymer, preferably a polyamide or polyester, is used as an absorbent for oil floating on water. Advantageously the pulp is coated with 1 to ... | 11/09/1976 |
| 3976570 | Method and apparatus for removing contaminants from the surface of a body of water A method and apparatus for removing oil or other hydrocarbons from the surface of a body of water by the distribution of discrete buoyant porous member upon the water surface, continuously removing the members from the surface, removing the absorbed oil f... | 08/24/1976 |
| 3960722 | Oil adsorbent An oil adsorbent comprising a plastic material for eliminating oils present in or on the surface of water through adsorption. Said adsorbent is produced by foaming by a physical means polyethylene containing 30-80% by weight of at least one inorganic calc... | 06/01/1976 |
| 3933632 | Removal of immiscible fluids from water surfaces and lake beds A method of removing immiscible fluids such as oil spills from the surface of bodies of water which comprises placing an adsorbant compound on the water survace in contact with the immiscible fluid and maintaining contact between the surface of the immisc... | 01/20/1976 |
