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Machine translation
1. (WO1998048944) METHOD FOR ENHANCING THE COLOR OF MINERALS USEFUL AS GEMSTONES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1998/048944    International Application No.:    PCT/US1998/008232
Publication Date: 05.11.1998 International Filing Date: 24.04.1998
Chapter 2 Demand Filed:    16.11.1998    
IPC:
A44C 17/00 (2006.01), C04B 41/50 (2006.01), C04B 41/51 (2006.01), C30B 33/00 (2006.01)
Applicants: POLLAK, Richard [US/US]; (US)
Inventors: POLLAK, Richard; (US)
Agent: REITER, Stephen, E.; Gray Cary Ware & Freidenrich, Suite 1600, 4365 Executive Drive, San Diego, CA 92121 (US)
Priority Data:
08/845,709 25.04.1997 US
Title (EN) METHOD FOR ENHANCING THE COLOR OF MINERALS USEFUL AS GEMSTONES
(FR) TECHNIQUE PERMETTANT D'EXALTER LA COULEUR DE MINERAUX UTILISES COMME PIERRES PRECIEUSES
Abstract: front page image
(EN)In accordance with the present invention, there are provided methods for enhancing the color of minerals useful as gemstones. Invention methods are relatively inexpensive to carry out, avoid the use of hazardous materials, and require no specialized equipment.
(FR)Cette invention a trait à des techniques permettant d'exalter la couleur de minéraux utilisés comme pierres précieuses. Ces techniques sont d'une mise en oeuvre peu coûteuse, ne font pas intervenir des matières dangereuses et n'exigent pas un équipement spécialisé.
Designated States: BR, CN, JP, US.
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: English (EN)
Filing Language: English (EN)