Support and drainage material, filter, and method of use
US10960335B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2018 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Mar 23, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2275/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Support and drainage materials, each comprising an element comprising a section having a first end and a second end, and a first major surface, and a plurality of parallel tapered flow channels extending from the first end to the second end, the tapered flow channels comprising tapered side walls arranged in parallel and projecting upwardly from, and perpendicular to, the first major surface, the tapered flow channels having a deeper end and a shallower end, and being deeper at the first end of the section than at the second end of the section, wherein the tapered flow channels are connected at the first end with a cross member, and connected at the second end with a cross member, filters including the materials, and methods of use are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.