Qinghua Li

Person

Rolling Meadows, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
High salt gypsum wallboard containing salt absorbents and methods o...
- Patent number 11,999,658
- Issue date Jun 4, 2024
- United States Gypsum Company
- Qinghua Li
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of preparing gypsum wallboard from high salt gypsum, and rel...
- Patent number 11,993,054
- Issue date May 28, 2024
- United States Gypsum Company
- Qinghua Li
- B32 - LAYERED PRODUCTS
Information Patent Grant
Calcium aluminate cement and calcium sulfoaluminate cement catalyst...
- Patent number 11,945,751
- Issue date Apr 2, 2024
- Knauf Gips KG
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Gypsum board containing high absorption paper and related methods
- Patent number 11,891,336
- Issue date Feb 6, 2024
- United States Gypsum Company
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fire resistant gypsum board and related methods
- Patent number 11,834,375
- Issue date Dec 5, 2023
- United States Gypsum Company
- Qinghua Li
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Methods of removing chloride from gypsum having high level of chlor...
- Patent number 11,760,689
- Issue date Sep 19, 2023
- KNAUF GIPS KG
- Qinghua Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Borate and silicate coating for improved acoustical panel performan...
- Patent number 11,753,550
- Issue date Sep 12, 2023
- USG INTERIORS, LLC
- Qinghua Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Gypsum wallboard with enhanced fire resistance, and related coating...
- Patent number 11,702,373
- Issue date Jul 18, 2023
- United States Gypsum Company
- Qinghua Li
- E04 - BUILDING
Information Patent Grant
Gypsum board from gypsum having high level of chloride salt and a s...
- Patent number 11,186,067
- Issue date Nov 30, 2021
- United States Gypsum Company
- Qinghua Li
- B32 - LAYERED PRODUCTS
Information Patent Grant
Gypsum board from gypsum having high level of chloride salt and a p...
- Patent number 11,186,066
- Issue date Nov 30, 2021
- United States Gypsum Company
- Mark Hemphill
- B32 - LAYERED PRODUCTS
Information Patent Grant
Aluminate-enhanced type I Portland cements with short setting times...
- Patent number 11,180,412
- Issue date Nov 23, 2021
- United States Gypsum Company
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fire resistant gypsum board comprising expandable graphite and rela...
- Patent number 10,604,929
- Issue date Mar 31, 2020
- United States Gypsum Company
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A P...
- Publication number 20230357085
- Publication date Nov 9, 2023
- United States Gypsum Company
- Qinghua LI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DESALINATION OF HIGH CHLORIDE SALT ABSORBED POROUS BEADS
- Publication number 20230321630
- Publication date Oct 12, 2023
- United States Gypsum Company
- Qinghua LI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
GYPSUM PANEL CONTAINING AMMONIUM-EXCHANGED VERMICULITE AND METHODS
- Publication number 20230250019
- Publication date Aug 10, 2023
- United States Gypsum Company
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
HIGH SALT GYPSUM WALLBOARD CONTAINING SALT ABSORBENTS AND METHODS O...
- Publication number 20230150879
- Publication date May 18, 2023
- United States Gypsum Company
- Qinghua LI
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
HIGH TEMPERATURE SAG RESISTANT GYPSUM PANEL
- Publication number 20230045576
- Publication date Feb 9, 2023
- KNAUF GIPS KG
- Mark K. HEMPHILL
- B32 - LAYERED PRODUCTS
Information Patent Application
HIGH TEMPERATURE SAG RESISTANT LIGHTWEIGHT GYPSUM BOARD
- Publication number 20220356114
- Publication date Nov 10, 2022
- Mark Hemphill
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
METHODS OF REMOVING CHLORIDE FROM GYPSUM HAVING HIGH LEVEL OF CHLOR...
- Publication number 20220324756
- Publication date Oct 13, 2022
- KNAUF GIPS KG
- Qinghua Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CALCIUM ALUMINATE CEMENT AND CALCIUM SULFOALUMINATE CEMENT CATALYST...
- Publication number 20220194856
- Publication date Jun 23, 2022
- KNAUF GIPS KG
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
FIRE RESISTANT GYPSUM BOARD AND RELATED METHODS
- Publication number 20210238096
- Publication date Aug 5, 2021
- United States Gypsum Company
- Qinghua LI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
COMPOSITE GYPSUM BOARD FORMED FROM HIGH-SALT STUCCO AND RELATED MET...
- Publication number 20210198148
- Publication date Jul 1, 2021
- United States Gypsum Company
- Qinghua Li
- B32 - LAYERED PRODUCTS
Information Patent Application
GYPSUM BOARD CONTAINING HIGH ABSORPTION PAPER AND RELATED METHODS
- Publication number 20210155545
- Publication date May 27, 2021
- United States Gypsum Company
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
METHOD OF PREPARING GYPSUM WALLBOARD FROM HIGH SALT GYPSUM, AND REL...
- Publication number 20210129490
- Publication date May 6, 2021
- United States Gypsum Company
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
GYPSUM WALLBOARD WITH ENHANCED FIRE RESISTANCE, AND RELATED COATING...
- Publication number 20200392050
- Publication date Dec 17, 2020
- United States Gypsum Company
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
ALUMINATE-ENHANCED TYPE I PORTLAND CEMENTS WITH SHORT SETTING TIMES...
- Publication number 20200331802
- Publication date Oct 22, 2020
- United States Gypsum Company
- Qinghua LI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A S...
- Publication number 20200055278
- Publication date Feb 20, 2020
- United States Gypsum Company
- Qinghua LI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A P...
- Publication number 20200055277
- Publication date Feb 20, 2020
- United States Gypsum Company
- Mark HEMPHILL
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
SILOXANE POLYMERIZATION IN GYPSUM WALLBOARD
- Publication number 20200024191
- Publication date Jan 23, 2020
- United States Gypsum Company
- Qinghua LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BORATE AND SILICATE COATING FOR IMPROVED ACOUSTICAL PANEL PERFORMAN...
- Publication number 20190382589
- Publication date Dec 19, 2019
- USG INTERIORS, LLC
- Qinghua Li
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MULTI-LAYER GYPSUM BOARD AND RELATED METHODS AND SLURRIES
- Publication number 20190352232
- Publication date Nov 21, 2019
- United States Gypsum Company
- Qinghua LI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
FIRE RESISTANT GYPSUM BOARD COMPRISING EXPANDABLE GRAPHITE AND RELA...
- Publication number 20180119417
- Publication date May 3, 2018
- United States Gypsum Company
- Qinghua Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Person

Patents Grantslast 30 patents

High salt gypsum wallboard containing salt absorbents and methods o...

Method of preparing gypsum wallboard from high salt gypsum, and rel...

Calcium aluminate cement and calcium sulfoaluminate cement catalyst...

Gypsum board containing high absorption paper and related methods

Fire resistant gypsum board and related methods

Methods of removing chloride from gypsum having high level of chlor...

Borate and silicate coating for improved acoustical panel performan...

Gypsum wallboard with enhanced fire resistance, and related coating...

Gypsum board from gypsum having high level of chloride salt and a s...

Gypsum board from gypsum having high level of chloride salt and a p...

Aluminate-enhanced type I Portland cements with short setting times...

Fire resistant gypsum board comprising expandable graphite and rela...

Patents Applicationslast 30 patents

GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A P...

DESALINATION OF HIGH CHLORIDE SALT ABSORBED POROUS BEADS

GYPSUM PANEL CONTAINING AMMONIUM-EXCHANGED VERMICULITE AND METHODS

HIGH SALT GYPSUM WALLBOARD CONTAINING SALT ABSORBENTS AND METHODS O...

HIGH TEMPERATURE SAG RESISTANT GYPSUM PANEL

HIGH TEMPERATURE SAG RESISTANT LIGHTWEIGHT GYPSUM BOARD

METHODS OF REMOVING CHLORIDE FROM GYPSUM HAVING HIGH LEVEL OF CHLOR...

CALCIUM ALUMINATE CEMENT AND CALCIUM SULFOALUMINATE CEMENT CATALYST...

FIRE RESISTANT GYPSUM BOARD AND RELATED METHODS

COMPOSITE GYPSUM BOARD FORMED FROM HIGH-SALT STUCCO AND RELATED MET...

GYPSUM BOARD CONTAINING HIGH ABSORPTION PAPER AND RELATED METHODS

METHOD OF PREPARING GYPSUM WALLBOARD FROM HIGH SALT GYPSUM, AND REL...

GYPSUM WALLBOARD WITH ENHANCED FIRE RESISTANCE, AND RELATED COATING...

ALUMINATE-ENHANCED TYPE I PORTLAND CEMENTS WITH SHORT SETTING TIMES...

GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A S...

GYPSUM BOARD FROM GYPSUM HAVING HIGH LEVEL OF CHLORIDE SALT AND A P...

SILOXANE POLYMERIZATION IN GYPSUM WALLBOARD

BORATE AND SILICATE COATING FOR IMPROVED ACOUSTICAL PANEL PERFORMAN...

MULTI-LAYER GYPSUM BOARD AND RELATED METHODS AND SLURRIES

FIRE RESISTANT GYPSUM BOARD COMPRISING EXPANDABLE GRAPHITE AND RELA...