Inventor

CHENG-FAN WANG

Inventor

Overview

5→

Patents

2021–2024

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

B32Bprimary

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form19%

C08JWorking-up19%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%

B29CShaping or joining of plastics5%

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. inserts5%

B29LIndexing scheme associated with subclass b29c, relating to particular articles5%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles5%

C08LCompositions of macromolecular compounds5%

C09JAdhesives5%

PatentTitleYear

12,053,956Polymer film and uses of the same2024 11,492,436Modified polyvinyl alcohol-based polymer and its application2022 11,426,981Polymer film and uses of the same2022 11,198,770Interlayer film and laminated glass comprising the same2021 11,136,441Polymer film and uses of the same2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2024Patents assigned to CHANG CHUN PETROCHEMICAL CO LTD (5)· patent assignee history

2021–2024Based in TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHANG CHUN PETROCHEMICAL CO LTD	5	2021–2024

Locations

Location	Patents	Span
TW	5	2021–2024