LexDanaLexDanabeta
Inventor

Wantai Yang

Inventor
Beijing, CN

Overview

2→
Patents
2012–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C08Jprimary
C08JWorking-up22%
A47LDomestic washing or cleaning11%
B29CShaping or joining of plastics11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
C07DHeterocyclic compounds11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
C08LCompositions of macromolecular compounds11%
PatentTitleYear
9,834,675Resin composition having improved haze and light transmittance and process for preparing the same20178,323,750'Method of ultraviolet light assisted surface modification and product having a surface formed by this method'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to BEIJING WANHEXINYUAN BIOTECHNOLOGY CO LTD (1)· patent assignee history
2012Patents assigned to HUANG ZHENHUA (1)· patent assignee history
2012Patents assigned to SHAO LEI (1)· patent assignee history
2012–2017Based in Beijing, CN· patent location history
2017Patents assigned to BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP (1)· patent assignee history
2017Patents assigned to CHINA PETROLEUM & CHEM CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP12017
BEIJING WANHEXINYUAN BIOTECHNOLOGY CO LTD12012
CHINA PETROLEUM & CHEM CORP12017
HUANG ZHENHUA12012
SHAO LEI12012
Locations
LocationPatentsSpan
Beijing, CN22012–2017