Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Liquid composition
Reexamination Certificate
2005-06-07
2005-06-07
Webb, Gregory (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Liquid composition
C510S411000, C252S067000, C252S364000
Reexamination Certificate
active
06903063
ABSTRACT:
The invention relates to azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane (HCFC-244fa) and hydrogen fluoride, which are useful as intermediates in the production of HCFC-244fa.
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patent: 5496866 (1996-03-01), Sommerfeld et al.
patent: 5574192 (1996-11-01), VanDerPuy et al.
patent: 6291730 (2001-09-01), Baker et al.
patent: 6500795 (2002-12-01), Pham et al.
patent: 6534467 (2003-03-01), Pham et al.
patent: 6759381 (2004-07-01), Johnson et al.
Cook Milton
Pham Hang Thanh
Singh Rajiv Ratna
Tung Hsueh Sung
Honeywell International , Inc.
Honeywell International Inc.
Webb Gregory
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