Chunhua YAO

Person

Carmel, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Isocyanate-based foam construction boards
- Patent number 12,291,620
- Issue date May 6, 2025
- HOLCIM TECHNOLOGY LTD
- John B. Letts
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing isocyanate-based foam construction boards
- Patent number 12,263,622
- Issue date Apr 1, 2025
- HOLCIM TECHNOLOGY LTD
- John B. Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing isocyanate-based foam construction boards
- Patent number 12,006,414
- Issue date Jun 11, 2024
- HOLCIM TECHNOLOGY LTD
- John B. Letts
- E04 - BUILDING
Information Patent Grant
Process for producing isocyanate-based foam construction boards
- Patent number 11,999,833
- Issue date Jun 4, 2024
- HOLCIM TECHNOLOGY LTD
- John Letts
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyisocyanurate coverboards with improved fire resistance
- Patent number 11,913,222
- Issue date Feb 27, 2024
- HOLCIM TECHNOLOGY LTD
- John B. Letts
- E04 - BUILDING
Information Patent Grant
Encapsulated fragile insulation materials
- Patent number 11,618,235
- Issue date Apr 4, 2023
- HOLCIM TECHNOLOGY LTD
- Michael J. Hubbard
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyisocyanurate coverboards with improved fire resistance
- Patent number 11,242,681
- Issue date Feb 8, 2022
- Firestone Building Products Company, LLC
- John B. Letts
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing isocyanate-based foam construction boards
- Patent number 11,174,364
- Issue date Nov 16, 2021
- Firestone Building Products Company, LLC
- John Letts
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Isocyanate-based foam construction boards
- Patent number 10,870,987
- Issue date Dec 22, 2020
- Firestone Building Products Company, LLC
- John B. Letts
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyester polyols containing diels-alder or ene adducts
- Patent number 9,447,225
- Issue date Sep 20, 2016
- Stepan Company
- Rick Tabor
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aromatic polyester polyols and aromatic polyester polyol blends con...
- Patent number 9,309,345
- Issue date Apr 12, 2016
- Stepan Company
- F. Leo Hickey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20240327592
- Publication date Oct 3, 2024
- HOLCIM TECHNOLOGY LTD
- John B. LETTS
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20240309160
- Publication date Sep 19, 2024
- HOLCIM TECHNOLOGY LTD
- John LETTS
- B32 - LAYERED PRODUCTS
Information Patent Application
FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE
- Publication number 20240149551
- Publication date May 9, 2024
- HOLCIM TECHNOLOGY LTD
- Chunhua YAO
- B32 - LAYERED PRODUCTS
Information Patent Application
ENCAPSULATED FRAGILE INSULATION MATERIALS
- Publication number 20230234323
- Publication date Jul 27, 2023
- HOLCIM TECHNOLOGY LTD
- Michael J. HUBBARD
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20220251320
- Publication date Aug 11, 2022
- Firestone Building Products Company, LLC
- John B. Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE
- Publication number 20220154453
- Publication date May 19, 2022
- Firestone Building Products Company, LLC
- John B. Letts
- E04 - BUILDING
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20220056234
- Publication date Feb 24, 2022
- Firestone Building Products Company, LLC
- John B. Letts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20220049063
- Publication date Feb 17, 2022
- John LETTS
- B32 - LAYERED PRODUCTS
Information Patent Application
ENCAPSULATED FRAGILE INSULATION MATERIALS
- Publication number 20220001642
- Publication date Jan 6, 2022
- Firestone Building Products Company, LLC
- Michael J. HUBBARD
- B32 - LAYERED PRODUCTS
Information Patent Application
ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED C...
- Publication number 20210198527
- Publication date Jul 1, 2021
- Firestone Building Products Company, LLC
- Michael J. Hubbard
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE
- Publication number 20210108408
- Publication date Apr 15, 2021
- Firestone Building Products Company, LLC
- John B. Letts
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20210095090
- Publication date Apr 1, 2021
- Firestone Building Products Company, LLC
- John B. LETTS
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE
- Publication number 20200055275
- Publication date Feb 20, 2020
- Firestone Building Products Company, LLC
- Chunhua Yao
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20200017654
- Publication date Jan 16, 2020
- Firestone Building Products Company, LLC
- John B. Letts
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20190225766
- Publication date Jul 25, 2019
- Firestone Building Products Company, LLC
- John B. Letts
- B32 - LAYERED PRODUCTS
Information Patent Application
ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED C...
- Publication number 20190186124
- Publication date Jun 20, 2019
- Firestone Building Products Company, LLC
- Michael J. Hubbard
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES
- Publication number 20190071533
- Publication date Mar 7, 2019
- Stepan Company
- Sarah Wolek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FOAM CONSTRUCTION BOARDS WITH EXPANDABLE GRAPHITE
- Publication number 20190061313
- Publication date Feb 28, 2019
- Firestone Building Products Company, LLC
- Chunhua Yao
- E04 - BUILDING
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20180355136
- Publication date Dec 13, 2018
- Firestone Building Products Company, LLC
- John Letts
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE
- Publication number 20180320370
- Publication date Nov 8, 2018
- FIRESTONE BUILDING PRODUCTS CO., LLC
- John B. LETTS
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
INSULATION DEVICES INCLUDING VACUUM-INSULATED CAPSULES
- Publication number 20170335563
- Publication date Nov 23, 2017
- Firestone Building Products Co., LLC
- Michael J. HUBBARD
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
- Publication number 20170137557
- Publication date May 18, 2017
- Firestone Building Products Co., LLC
- Chunhua YAO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES
- Publication number 20160002386
- Publication date Jan 7, 2016
- Stepan Company
- Sarah Wolek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Surfactants and Solvents Containing Diels-Alder Adducts
- Publication number 20150018563
- Publication date Jan 15, 2015
- Stepan Company
- Rick Tabor
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polyester Polyols Containing Diels-Alder or Ene Adducts
- Publication number 20140378570
- Publication date Dec 25, 2014
- Rick Tabor
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Aromatic Polyester Polyols and Aromatic Polyester Polyol Blends Con...
- Publication number 20130090399
- Publication date Apr 11, 2013
- Stepan Company
- Leo F. Hickey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Aromatic Polyester Polyols and Aromatic Polyester Polyol Blends Con...
- Publication number 20100240785
- Publication date Sep 23, 2010
- F. Leo Hickey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Chunhua YAO

Person

Patents Grantslast 30 patents

Isocyanate-based foam construction boards

Process for producing isocyanate-based foam construction boards

Process for producing isocyanate-based foam construction boards

Process for producing isocyanate-based foam construction boards

Polyisocyanurate coverboards with improved fire resistance

Encapsulated fragile insulation materials

Polyisocyanurate coverboards with improved fire resistance

Process for producing isocyanate-based foam construction boards

Isocyanate-based foam construction boards

Polyester polyols containing diels-alder or ene adducts

Aromatic polyester polyols and aromatic polyester polyol blends con...

Patents Applicationslast 30 patents

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE

ENCAPSULATED FRAGILE INSULATION MATERIALS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

ENCAPSULATED FRAGILE INSULATION MATERIALS

ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED C...

POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE

ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

FOAM CONSTRUCTION BOARDS WITH ENHANCED FIRE PERFORMANCE

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

ADHESIVE-BACKED COMPOSITE INSULATION BOARDS WITH VACUUM-INSULATED C...

POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES

FOAM CONSTRUCTION BOARDS WITH EXPANDABLE GRAPHITE

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

POLYISOCYANURATE COVERBOARDS WITH IMPROVED FIRE RESISTANCE

INSULATION DEVICES INCLUDING VACUUM-INSULATED CAPSULES

PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS

POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES

Surfactants and Solvents Containing Diels-Alder Adducts

Polyester Polyols Containing Diels-Alder or Ene Adducts

Aromatic Polyester Polyols and Aromatic Polyester Polyol Blends Con...

Aromatic Polyester Polyols and Aromatic Polyester Polyol Blends Con...