LexDanaLexDanabeta
Inventor

Hang Ching Kwok

Inventor
Hong Kong, CN

Overview

1→
Patents
2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 1 as inventor

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

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof20%
A41DOuterwear20%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%
C09DCoating compositions, e.g. paints, varnishes or lacquers20%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons20%
PatentTitleYear
10,201,198Protective masks with coating comprising different electrospun fibers interweaved with each other, formulations forming the same, and method of producing thereof2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to PROFIT ROYAL PHARMACEUTICAL LTD (1)· patent assignee history
2019Based in Hong Kong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROFIT ROYAL PHARMACEUTICAL LTD12019
Locations
LocationPatentsSpan
Hong Kong, CN12019