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Inventor

YONGJIAN GUAN

Inventor
CN

Overview

3→
Patents
2022
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds27%
C08JWorking-up27%
C07CAcyclic or carbocyclic compounds9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C08LCompositions of macromolecular compounds9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
PatentTitleYear
11,440,989Application of Mannich base in flame-retardant polyurethane material202211,401,375Flame-retardant polyether polyol as well as preparation method and application thereof202211,261,287Composition capable of substituting use of styrene-acrylonitrile copolymer POP2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to JIAHUA CHEMICALS INC (3)· patent assignee history
2022Patents assigned to JIAHUA SCIENCE & TECH DEVELOPMENT SHANGHAI LTD (3)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JIAHUA CHEMICALS INC32022
JIAHUA SCIENCE & TECH DEVELOPMENT SHANGHAI LTD32022
Locations
LocationPatentsSpan
CN32022