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Inventor

Mark K. S. Mak

Inventor
Kowloon, HK

Overview

1→
Patents
1989
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry50%
C02FTreatment of water, waste water, sewage, or sludge50%
PatentTitleYear
4,806,514'Composite photocatalyst for refractory waste degradation'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to CANADIAN PATENTS DEV (1)· patent assignee history
1989Based in Kowloon, HK· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANADIAN PATENTS DEV11989
Locations
LocationPatentsSpan
Kowloon, HK11989