U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Absorption refrigerant compositions for use in absorption refrigeration systems

Patent 4428854 Issued on January 31, 1984. Estimated Expiration Date: Icon_subject November 15, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2035541

2149937

3085065

3607755

3819493

Constant boiling mixtures of 1,1,2,2-tetrafluoroethane and 1,1,1,2-tetrafluorochloroethane Patent #: 4155865
Issued on: 05/22/1979
Inventor: Ostrozynski ,   et al.

Inventors

Assignee

Application

No. 06/441773 filed on 11/15/1982

US Classes:

252/69, With low-volatile solvent or absorbent252/364, SOLVENTS252/67, VAPORIZATION, OR EXPANSION, REFRIGERATION OR HEAT OR ENERGY EXCHANGE62/112Utilizing particular refrigerant and/or sorbent materials

Examiners

Primary: Willis, P. E. Jr.

Attorney, Agent or Firm

International Classes

C09K 5/00 (20060101)
C09K 5/04 (20060101)

Foreign Application Priority Data

1979-11-30 JP

Abstract

An absorption refrigerant composition for use in absorption refrigeration systems comprising 1,1,1,2-tetrafluoroethane and an organic solvent capable of dissolving the ethane.

Other References

  • Buffington, R. M., "Qualitative Requirements for Adsorbents-Refrigerant Combinations," Refrigeration Engineering, vol. 57, pp. 343-345, 384, 6, 8
  • Hainsworth, W. R., "Refrigerants & Absorbents," Parts I & II, Refrigerating Engineering, vol. 48, Aug. 1944 (No. 2), Sep. 1944, pp. 97-100
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