Patent · US Expired

Plastically deformable cooling agent

US4457308A · kind A · utility

4Cited by

2References

4Claims

0Family size

Assignee

Messer Griesheim GmbH · DE

Inventors

Heinz Golke · Breitscheid, DE
Wolfgang Volker · Tönisvorst, DE
Andreas Donnerhack · Krefeld, DE

Key dates

Filing date	Sep 13, 1982
Grant date	Jul 3, 1984
Priority date	—
Expiry date	Sep 13, 2002

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S128/27
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A plastically deformable cooling agent consists of a mixture of liquid nitrogen with at least 8% by weight of fine-grained silica gel.

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