Patent · US Expired

Method for suppressing water evaporation using a polybutadiene film

US4106906A · kind A · utility

3Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1977
Grant dateAug 15, 1978
Priority date
Expiry dateJan 31, 1997

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02B3/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A continuous polymer film formed by air-activated cross-linking of polyfuional prepolymers is applied to the surface of a body of water for suppressing evaporation.

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