Heat-resistant poly-L-lactic acid preform
US8574693B2 · kind B2 · utility
0Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2007 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Mar 24, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A preform is formed by compounding a resin made from poly-L-lactic acid with a functional filler and subjecting a mouth portion to a heat treatment. Also, a hollow shaped product is produced by blow-molding the preform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.