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Inventor

Qinglong Hao

Inventor
Beijing, CN

Overview

2→
Patents
1998–1999
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.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
C04BLime, magnesia17%
C09DCoating compositions, e.g. paints, varnishes or lacquers17%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%
PatentTitleYear
5,885,483'Long afterglow phosphor and a process for the preparing thereof'19995,853,614'Long decay luminescent material'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to BEIJING HONGYE COATING MATERIA (1)· patent assignee history
1998Patents assigned to CHEMITECH INC (1)· patent assignee history
1998Based in Fuchu, JP· patent location history
1999Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING HONGYE COATING MATERIA11998
CHEMITECH INC11998
Locations
LocationPatentsSpan
Beijing, CN11999
Fuchu, JP11998