Patent · US Expired

Polydiacetylene polymer blends

US7371511B2 · kind B2 · utility

2Cited by
25References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 19, 2004
Grant dateMay 13, 2008
Priority date
Expiry dateDec 28, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31855
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polymer blend compositions that include diacetylene segments are provided. The polymers containing diacetylene segments are capable of a calorimetric indication in response to stimuli, such as heat, an analyte or exposure to certain environmental factors, despite being blended with other materials, such as polymers or additives.

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