Inventor

Weihong Lang

Inventor

Suwanee, GA, US

Overview

3→

Patents

2000–2021

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.

B29Dprimary

B29DProducing particular articles from plastics or from substances in a plastic state15%

C08JWorking-up15%

G02BOptical elements, systems or apparatus15%

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. inserts8%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%

C08LCompositions of macromolecular compounds8%

C09DCoating compositions, e.g. paints, varnishes or lacquers8%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture8%

G02CSpectacles8%

PatentTitleYear

10,968,319Silicone hydrogel contact lenses2021 10,962,803Contact lenses with a lubricious coating thereon2021 6,133,018'Enzymatic synthesis of chiral amines using -2-amino propane as amine donor'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to CELGRO (1)· patent assignee history

2000Based in Edison, NJ, US· patent location history

2021Patents assigned to ALCON INC (2)· patent assignee history

2021Patents assigned to NOVARTIS AG (2)· patent assignee history

2021Based in Suwanee, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALCON INC	2	2021
NOVARTIS AG	2	2021
CELGRO	1	2000

Locations

Location	Patents	Span
Suwanee, Georgia, US	2	2021
Edison, New Jersey, US	1	2000