Patent · US Expired

Perfume-containing resin

US4582635A · kind A · utility

12Cited by
1References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 13, 1984
Grant dateApr 15, 1986
Priority date
Expiry dateFeb 13, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/905
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A perfume-containing resin which is produced by polymerizing diethylene glycol bis(allyl carbonate) in the presence of a perfume. The resin emits a well-balanced fragrance over a long period of time.

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