Articles of a new crystalline form of syndiotactic styrene polymer
US5183853A · kind A · utility
5Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1990 |
| Grant date | Feb 2, 1993 |
| Priority date | — |
| Expiry date | Feb 27, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Articles of syndiotactic styrene polymer where the polymer is present predominantly in a new crystalline form characterized by an X-ray spectrum which presents reflections of maximum intensity at 2 .theta.of 12.2.degree. and 20.0.degree., where in the 2 .theta. range from 15.degree. to 18.degree. no reflections of appreciable intensity appear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.