Kowloon
Hong Kong
1
2011-09-01
Xiaoping Wang from Kowloon, HK has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD FOR THE PRODUCTION OF ULTRAPURE PHOSPHORUS BY ZONE MELTING IN A NON-FLAMMABLE ENVIRONMENT, AND THE APPARATUS USED IN SUCH METHOD
3567246 ⎘