Process for producing a porous matrix
Patent 4115500 Issued on September 19, 1978. Estimated Expiration Date: 
June 14, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 14, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3166615 3175935 3357564 InventorAssigneeApplicationNo. 05/695904 filed on 06/14/1976US Classes:264/122, Utilizing diverse solid particles264/126Of organic materialExaminersPrimary: White, Robert F.Assistant: Hall, James R. Attorney, Agent or FirmInternational ClassesC02F 3/20 (20060101)B01F 3/04 (20060101) C08J 9/24 (20060101) C08J 9/00 (20060101) AbstractA method of adhering resin coated spherical particles of substantially uniform size together in the presence of an inert lubricant and under pressure at their points of contact to produce a porous matrix having numerous interconnecting passageways useful in making a body for a sparger for producing bubbles of uniform size in liquids.Field of SearchOf organic material | |
