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Patent (Still) Pending
2014-08-13 01:12:00| Chemical Processing
A backlog of patents has swelled to more than 600,000 with an estimated wait time of more than five years.
Tags: patent
pending
Category:Chemicals
A backlog of patents has swelled to more than 600,000 with an estimated wait time of more than five years.
Tags: patent
pending
Category:Chemicals