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Inventor

PUYAN HOU

Inventor
CN

Overview

2→
Patents
2024
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.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge50%
C08BPolysaccharides25%
Y02ATechnologies for adaptation to climate change25%
PatentTitleYear
12,037,268Method for treating sulfur-containing organic wastewater202411,926,544Biological desulfurizer for removing organic sulfur in fracturing flowback fluid and application thereof2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to CHINA PETROLEUM & CHEM CORP (2)· patent assignee history
2024Patents assigned to CHINA PETROLEUM & CHEMICAL CO LTD OF NORTH BRANCH (2)· patent assignee history
2024Patents assigned to CHINA PETROLEUM&CHEMICAL CO LTD OF NORTH BRANCH (1)· patent assignee history
2024Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROLEUM & CHEM CORP22024
CHINA PETROLEUM & CHEMICAL CO LTD OF NORTH BRANCH22024
CHINA PETROLEUM&CHEMICAL CO LTD OF NORTH BRANCH12024
Locations
LocationPatentsSpan
CN22024