Collapsible gel articles
US7661164B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 12, 2007 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Jan 27, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S5/909
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A tear and fatigue resistant gel article comprising two or more communicating internal volumes like cavities when depressed by external pressure or force is capable of collapsing unto itself in a controllable and directionally preselected manner by venting static air within said internal through openings in said gel article, said gel article is made from gel compositions having rigidity of from about 20 gram Bloom to about 1,800 gram Bloom suitable for cushioning and other uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.