Irradiation detection and identification method and compositions useful therein
US4992204A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1989 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | Aug 22, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M23/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for tagging one or a mixture of natural or synthetic materials comprising contacting the same with one or a mixture of tagging compounds containing one or more non-ionic luminophore moieties attached to at least one poly(oxyalkylene) moiety by means of a linking moiety; wherein said tagging compound has substantial absorbance within the range of from about 300 to about 400 nm and reemits substantial visible light, said contacting effecting at least a temporary association between said material and said compound wherein said compound is present in an amount between about 0.0001 and about 10 percent by weight of said material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.