Inventor

Willy J. J. Leysen

Inventor

Shanghai, CN

Overview

6→

Patents

2002–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 6 as inventor

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

B29Cprimary

B29CShaping or joining of plastics19%

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. inserts19%

C08JWorking-up13%

C08LCompositions of macromolecular compounds13%

Y10TTechnical subjects covered by former us classification13%

B29DProducing particular articles from plastics or from substances in a plastic state6%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons6%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons6%

PatentTitleYear

10,875,267Methods of making a film of dynamically vulcanized thermoplastic elastomeric materials2020 10,808,112Propylene-based polymer compositions with improved crystallization2020 10,549,515Methods for making multilayer films and films made thereby2020 9,062,169'Slit film tape compositions for improved tenacity and methods for making same'2015 8,252,861'Compositions for making films having improved mechanical properties and methods for making same'2012 6,368,545'High clarity polyolefin multilayer blown coextruded film'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2015Patents assigned to EXXONMOBIL CHEM PATENTS INC (3)· patent assignee history

2002Based in Meerhout, BE· patent location history

2012–2015Patents assigned to LEYSEN WILLY J J (2)· patent assignee history

2012Patents assigned to GUSAIN HARI PRAKASH SINGH (1)· patent assignee history

2012–2020Based in Shanghai, CN· patent location history

2015Patents assigned to GUSAIN HARI P (1)· patent assignee history

2020Patents assigned to EXXONMOBIL CHEMICAL PATENTS INC (3)· patent assignee history

2020Based in Sao Paulo, BR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EXXONMOBIL CHEM PATENTS INC	3	2002–2015
EXXONMOBIL CHEMICAL PATENTS INC	3	2020
LEYSEN WILLY J Jself	2	2012–2015
GUSAIN HARI P	1	2015
GUSAIN HARI PRAKASH SINGH	1	2012

Locations

Location	Patents	Span
Shanghai, CN	3	2012–2020
Sao Paulo, BR	2	2020
Meerhout, BE	1	2002