Patent · US Active

Drying substances, preparation and use thereof

US9067035B2 · kind B2 · utility

16Cited by

20References

16Claims

0Family size

Assignee

Oridion Medical 1987 Ltd. · IL

Inventors

Amos Ophir · Tarbert, IE
Eyal Cohen · Sha'alvim, IL
David Dishon · Tralee, IE
Joshua Lewis Colman · Jerusalem, IL

Key dates

Filing date	Mar 3, 2009
Grant date	Jun 30, 2015
Priority date	—
Expiry date	Feb 20, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2323/38
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

There is provided herein a dryer polymer substance comprising a polymer grafted with a compound having sulfonic groups, wherein the substance is adapted to pervaporate a fluid such as water, water vapor or both. There is further provided a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid, the process includes processing a polymer into a desired form, activating at least a portion of the polymer, and grafting the activated portion of the polymer with a compound having groups adapted to be sulfonated.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.