Packaged glass sealants
US8043675B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2007 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Jun 14, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A packaged glass sealant product, is formed of a sealant composition having a processing temperature in the range of from greater than 70° C. up to 220° C. and a skin of thermoplastic polymeric material around said sealant composition. The skin constitutes no more than 10 wt % of the total weight of said product, and said polymeric material has a minimum film forming temperature of at least 50° C. and a softening point which is lower than the processing temperature for application of said sealant composition by a difference of more than 10° C. The product alleviates the necessity of disposing of non-recyclable, silicone coated packaging by environmentally unfriendly methods in particular land-fill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.