Inventor

Yunzheng Li

Inventor

Beijing, CN

Overview

1→

Patents

1997

Patent span

Performing operations

Primary field (CPC B)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B29Cprimary

B29CShaping or joining of plastics33%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts33%

C08LCompositions of macromolecular compounds33%

PatentTitleYear

5,654,353'Biodegradable composition, a process for preparing the same and the use thereof'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to BEIJING XINGCHEN MODERN CONTRO (1)· patent assignee history

1997Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BEIJING XINGCHEN MODERN CONTRO	1	1997

Locations

Location	Patents	Span
Beijing, CN	1	1997