Process for preparing rare earth borates, and use of the...

Details Process for preparing rare earth borates, and use of the... Process for preparing rare earth borates, and use of the...

2007-04-24

2007-04-24

Bos, Steven (Department: 1754)

Chemistry of inorganic compounds

Rare earth compound

C423S279000

Reexamination Certificate

active

10169023

ABSTRACT:
The invention concerns a process for preparing rare earth borates, and the use of these borates in luminescence.The preparation process is characterized in that it comprises the following stepsmixing boric acid and a rare earth salt;a reacting the mixture obtained with a carbonate or a bicarbonate;a calcining the precipitate obtained.

REFERENCES:
patent: 6197218 (2001-03-01), Hampden-Smith et al.
patent: 6238593 (2001-05-01), Huguenin et al.
patent: 2 743 555 (1997-07-01), None
patent: 2 752 833 (1998-03-01), None

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