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Low GWP Heat Transfer Compositions Containing Difluoromethane And 1,3,3,3-Tetrafluoropropene

13/530,484 | U.S. Patent Application

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Location ELECTRONIC
Filed June 22, 2012
Examiner JOHN R HARDEE
Class 252
Art Group 1761
Patent No. 9,845,419
Case Type Utility - 252/067000
Status Patented Case
Parent 61/509,845 Expired
Parent 12/511,954 Abandoned
Child 15/845,745 Abandoned
Child PCT/US12/45502 Published
Last Updated: 10 months, 4 weeks ago
Date # Transaction