rigid

Industry

CPC
C08G2101/0025

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Parent Industries

CCHEMISTRY METALLURGY C08Organic compounds C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS C08G2101/00Foams

Current Industry

C08G2101/0025rigid

Industries

Patents Grantslast 30 patents

Information Patent Grant
Lewis acid polymerization catalyst
- Patent number 11,001,669
- Issue date May 11, 2021
- Dow Global Technologies LLC
- Arjun Raghuraman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Storage stable foamable compositions containing 1,1,1,4,4,4-hexaflu...
- Patent number 10,941,237
- Issue date Mar 9, 2021
- Honeywell International Inc.
- Michael Van Der Puy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Infrared attenuation agent blends
- Patent number 10,934,409
- Issue date Mar 2, 2021
- Owens Coming Intellectual Capital, LLC
- Xiangmin Han
- E04 - BUILDING
Information Patent Grant
Isocyanate-epoxy-foam system
- Patent number 10,907,021
- Issue date Feb 2, 2021
- BASF SE
- Frank Prissok
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reactive flame retardants for flexible polyurethane foams
- Patent number 10,899,911
- Issue date Jan 26, 2021
- ICL-IP America Inc.
- Andrew Piotrowski
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Foam insulation with enhanced fire and smoke performance
- Patent number 10,894,869
- Issue date Jan 19, 2021
- Johns Manville
- Malay Nandi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of forming a polyurethane foam article
- Patent number 10,894,857
- Issue date Jan 19, 2021
- BASF SE
- Michael J. Krupa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane catalyst and application thereof
- Patent number 10,889,681
- Issue date Jan 12, 2021
- Yi Guo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Direct alkoxylation of bio-oil
- Patent number 10,883,067
- Issue date Jan 5, 2021
- Battelle Memorial Institute
- Jeffrey T. Cafmeyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of polyurethane foam
- Patent number 10,870,723
- Issue date Dec 22, 2020
- Evonik Operations GmbH
- Martin Glos
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rigid polyurethane foams suitable for use as panel insulation
- Patent number 10,851,196
- Issue date Dec 1, 2020
- Covestro LLC
- Shawn G. Rider
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyurethane foams with agricultural by-products
- Patent number 10,844,159
- Issue date Nov 24, 2020
- Dow Global Technologies LLC
- Paolo Golini
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High temperature-resistant polyisocyanurate foams
- Patent number 10,808,070
- Issue date Oct 20, 2020
- Covestro Deutschland AG
- Lutz Böhnke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitrogen-containing compounds suitable for use in the production of...
- Patent number 10,793,662
- Issue date Oct 6, 2020
- Evonik Operations GmbH
- Thomas Günther
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyurethane foam from high functionality polyisocyanate
- Patent number 10,793,665
- Issue date Oct 6, 2020
- DDP SPECIALTY ELECTRONIC MATERIALS US, INC
- Kshitish A. Patankar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alkoxylated bio-oil polyol compositions
- Patent number 10,793,672
- Issue date Oct 6, 2020
- Battelle Memorial Institute
- Daniel Garbark
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Flame retardant polyol
- Patent number 10,781,282
- Issue date Sep 22, 2020
- Dow Global Technologies LLC
- Beilei Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing polyether polyol using DMC catalyst and conti...
- Patent number 10,767,009
- Issue date Sep 8, 2020
- Covestro LLC
- Jean-Paul Masy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Trimerization catalysts from sterically hindered salts and tertiary...
- Patent number 10,759,892
- Issue date Sep 1, 2020
- Evonik Operations GmbH
- Boxun Leng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyoxymethylene block copolymers
- Patent number 10,759,902
- Issue date Sep 1, 2020
- Covestro Deutschland AG
- Ilja Peckermann
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for producing a rigid polyurethane foam
- Patent number 10,759,896
- Issue date Sep 1, 2020
- Covestro Deutschland AG
- Hideki Wada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rigid polyurethane foams suitable for use as panel insulation
- Patent number 10,752,725
- Issue date Aug 25, 2020
- Covestro LLC
- Shawn G. Rider
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the continuous production of polyether polyols
- Patent number 10,752,731
- Issue date Aug 25, 2020
- BASF SE
- Julia Grosse-Willerich
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High performance coatings
- Patent number 10,745,585
- Issue date Aug 18, 2020
- Resinate Materials Group, Inc.
- Gary Spilman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Reactive flame retardants for polyurethane and polyisocyanurate foams
- Patent number 10,730,995
- Issue date Aug 4, 2020
- ICL-IP America Inc.
- Joseph Zilberman
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Reactive flame retardants for polyurethane and polyisocyanurate foams
- Patent number 10,723,833
- Issue date Jul 28, 2020
- ICL-IP America Inc.
- Joseph Zilberman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyetheresters and their use in rigid polyurethane foams
- Patent number 10,723,831
- Issue date Jul 28, 2020
- BASF SE
- Sebastian Koch
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Polyether-polysiloxane block copolymer composition, surfactant and...
- Patent number 10,717,872
- Issue date Jul 21, 2020
- Dow Toray Co., Ltd.
- Hiroyuki Inagaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitrogen-containing compounds suitable for use in the production of...
- Patent number 10,703,851
- Issue date Jul 7, 2020
- Evonik Operations GmbH
- Thomas Günther
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Self-healing composite of thermoset polymer and programmed super co...
- Patent number 10,696,591
- Issue date Jun 30, 2020
- Board of Supervisors of Louisiana State University and Agricultural and Mecha...
- Guoqiang Li
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Patents Applicationslast 30 patents

Information Patent Application
CATALYSTS FOR POLYURETHANE FOAM POLYOL PREMIXES CONTAINING HALOGENA...
- Publication number 20220298288
- Publication date Sep 22, 2022
- HONEYWELL INTERNATIONAL INC.
- Michael Van Der Puy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DIMENSIONALLY STABLE CLOSED-CELL AND RIGID FOAMS PRODUCED WITH METH...
- Publication number 20220064358
- Publication date Mar 3, 2022
- Ventrex Systems, LLC
- Ibrahim SENDIJAREVIC
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESSES FOR PRODUCING AROMATIC DIAMINE-INITIATED POLYETHER POLYOLS
- Publication number 20210371586
- Publication date Dec 2, 2021
- Covestro LLC
- Jenna L. Caputo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYOL PREMIXES, THERMALLY INSULATING RIGID POLYURETHANE FOAMS AND...
- Publication number 20210102040
- Publication date Apr 8, 2021
- Covestro LLC
- Rick L. Adkins
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
A POLYISOCYANATE FOAM FOR SANDWICH PANEL WITH LOW PROCESSING TEMPER...
- Publication number 20210079154
- Publication date Mar 18, 2021
- BASF SE
- Mohamed Bouguettaya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING HALOGENATED OLE...
- Publication number 20210070917
- Publication date Mar 11, 2021
- Sachchida N. Singh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DIRECT ALKOXYLATION OF BIO-OIL
- Publication number 20210071106
- Publication date Mar 11, 2021
- Battelle Memorial Institute
- Jeffrey T. Cafmeyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
A POLYISOCYANATE COMPONENT, A POLYURETHANE FOAMING SYSTEM AND AN AR...
- Publication number 20210061939
- Publication date Mar 4, 2021
- DOW GLOBAL TECHNOLOGIES LLC
- Yanli Feng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING HALOGENATED OLE...
- Publication number 20210061938
- Publication date Mar 4, 2021
- Sachchida N. Singh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RIGID POLYURETHANE FOAM SYSTEM AND APPLICATION THEREOF
- Publication number 20210032398
- Publication date Feb 4, 2021
- COVESTRO DEUTSCHLAND AG
- Wenping Wei
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYOL BLENDS AND RIGID FOAMS WITH IMPROVED LOW-TEMPERATURE R-VALUES
- Publication number 20210024744
- Publication date Jan 28, 2021
- Stepan Company
- Warren A. KAPLAN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYOL DISPERSIONS FROM POLYURETHANE WASTE AND...
- Publication number 20210017354
- Publication date Jan 21, 2021
- Stanislav Fulev
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FLAME-RETARDED RIGID POLYURETHANE FOAMS
- Publication number 20200392276
- Publication date Dec 17, 2020
- COVESTRO DEUTSCHLAND AG
- Hartmut Nefzger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FLAME-RETARDANT POLYURETHANE RIGID FOAMS
- Publication number 20200392277
- Publication date Dec 17, 2020
- COVESTRO DEUTSCHLAND AG
- Hartmut Nefzger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYESTER POLYOL COMPOSITIONS CONTAINING HFO-1336MZZM (Z)
- Publication number 20200385541
- Publication date Dec 10, 2020
- HONEYWELL INTERNATIONAL INC.
- MARY C. BOGDAN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RIGID POLYURETHANE FOAMS SUITABLE FOR USE AS PANEL INSULATION
- Publication number 20200339733
- Publication date Oct 29, 2020
- Covestro LLC
- Shawn G. Rider
- B32 - LAYERED PRODUCTS
Information Patent Application
RIGID FOAMS
- Publication number 20200339732
- Publication date Oct 29, 2020
- Econic Technologies Ltd.
- Michael Kember
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER POLYOLS
- Publication number 20200332058
- Publication date Oct 22, 2020
- BASF SE
- Julia GROSSE-WILLERICH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING A COMPOSITION CONTAINING ISOCYANATE AND ISOCYA...
- Publication number 20200325267
- Publication date Oct 15, 2020
- COVESTRO DEUTSCHLAND AG
- Hans-Detlef Arntz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FIBRE REINFORCEMENT OF REACTIVE FOAMS OBTAINED BY A MOULDING FOAM M...
- Publication number 20200317880
- Publication date Oct 8, 2020
- BASF SE
- Holger Ruckdaeschel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RIGID POLYURETHANE FOAM
- Publication number 20200299453
- Publication date Sep 24, 2020
- BASF SE
- Fernand Saad
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
IMIDE-CONTAINING POLYESTER
- Publication number 20200299454
- Publication date Sep 24, 2020
- COVESTRO DEUTSCHLAND AG
- Michael Schedler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HCFO-CONTAINING ISOCYANATE-REACTIVE COMPOSITIONS, RELATED FOAM-FORM...
- Publication number 20200283561
- Publication date Sep 10, 2020
- Covestro LLC
- Brandon W. Parks
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYOL BLENDS AND THEIR USE IN PRODUCING PUR-PIR FOAM-FORMING COMPO...
- Publication number 20200283563
- Publication date Sep 10, 2020
- Covestro LLC
- Brandon W. PARKS
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PREPARING POLYURETHNE FOAMS
- Publication number 20200255577
- Publication date Aug 13, 2020
- RHODIA OPERATIONS
- Shujing CHENG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYURETHANE RIGID FOAM SYSTEM WITH ENHANCED POLYOL SHELF LIFE AND...
- Publication number 20200255581
- Publication date Aug 13, 2020
- DOW GLOBAL TECHNOLOGIES LLC
- Michael P. Tate
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CATALYST SYSTEM FOR POLYOL PREMIXES CONTAINING HYDROHALOOLEFIN BLOW...
- Publication number 20200247938
- Publication date Aug 6, 2020
- Huntsman Petrochemical LLC
- Cheng-Kuang Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Self-Healing Composite of Thermoset Polymer and Programmed Super Co...
- Publication number 20200247716
- Publication date Aug 6, 2020
- Board of Supervisors of Louisiana State University and Agricultural and Mecha...
- Guoqiang Li
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PRODUCTION OF POLYURETHANE FOAM
- Publication number 20200239621
- Publication date Jul 30, 2020
- Evonik Operations GmbH
- Martin Glos
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER POLYOLS
- Publication number 20200207912
- Publication date Jul 2, 2020
- BASF SE
- Julia GROSSE-WILLERICH
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Lewis acid polymerization catalyst

Storage stable foamable compositions containing 1,1,1,4,4,4-hexaflu...

Infrared attenuation agent blends

Isocyanate-epoxy-foam system

Reactive flame retardants for flexible polyurethane foams

Foam insulation with enhanced fire and smoke performance

Method of forming a polyurethane foam article

Polyurethane catalyst and application thereof

Direct alkoxylation of bio-oil

Production of polyurethane foam

Rigid polyurethane foams suitable for use as panel insulation

Polyurethane foams with agricultural by-products

High temperature-resistant polyisocyanurate foams

Nitrogen-containing compounds suitable for use in the production of...

Polyurethane foam from high functionality polyisocyanate

Alkoxylated bio-oil polyol compositions

Flame retardant polyol

Process for preparing polyether polyol using DMC catalyst and conti...

Trimerization catalysts from sterically hindered salts and tertiary...

Process for the production of polyoxymethylene block copolymers

Method for producing a rigid polyurethane foam

Rigid polyurethane foams suitable for use as panel insulation

Process for the continuous production of polyether polyols

High performance coatings

Reactive flame retardants for polyurethane and polyisocyanurate foams

Reactive flame retardants for polyurethane and polyisocyanurate foams

Polyetheresters and their use in rigid polyurethane foams

Polyether-polysiloxane block copolymer composition, surfactant and...

Nitrogen-containing compounds suitable for use in the production of...

Self-healing composite of thermoset polymer and programmed super co...

Patents Applicationslast 30 patents

CATALYSTS FOR POLYURETHANE FOAM POLYOL PREMIXES CONTAINING HALOGENA...

DIMENSIONALLY STABLE CLOSED-CELL AND RIGID FOAMS PRODUCED WITH METH...

PROCESSES FOR PRODUCING AROMATIC DIAMINE-INITIATED POLYETHER POLYOLS

POLYOL PREMIXES, THERMALLY INSULATING RIGID POLYURETHANE FOAMS AND...

A POLYISOCYANATE FOAM FOR SANDWICH PANEL WITH LOW PROCESSING TEMPER...

POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING HALOGENATED OLE...

DIRECT ALKOXYLATION OF BIO-OIL

A POLYISOCYANATE COMPONENT, A POLYURETHANE FOAMING SYSTEM AND AN AR...

POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING HALOGENATED OLE...

RIGID POLYURETHANE FOAM SYSTEM AND APPLICATION THEREOF

POLYOL BLENDS AND RIGID FOAMS WITH IMPROVED LOW-TEMPERATURE R-VALUES

METHOD FOR PRODUCING POLYOL DISPERSIONS FROM POLYURETHANE WASTE AND...

FLAME-RETARDED RIGID POLYURETHANE FOAMS

FLAME-RETARDANT POLYURETHANE RIGID FOAMS

POLYESTER POLYOL COMPOSITIONS CONTAINING HFO-1336MZZM (Z)

RIGID POLYURETHANE FOAMS SUITABLE FOR USE AS PANEL INSULATION

RIGID FOAMS

PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER POLYOLS

METHOD FOR PRODUCING A COMPOSITION CONTAINING ISOCYANATE AND ISOCYA...

FIBRE REINFORCEMENT OF REACTIVE FOAMS OBTAINED BY A MOULDING FOAM M...

RIGID POLYURETHANE FOAM

IMIDE-CONTAINING POLYESTER

HCFO-CONTAINING ISOCYANATE-REACTIVE COMPOSITIONS, RELATED FOAM-FORM...

POLYOL BLENDS AND THEIR USE IN PRODUCING PUR-PIR FOAM-FORMING COMPO...

PROCESS FOR PREPARING POLYURETHNE FOAMS

POLYURETHANE RIGID FOAM SYSTEM WITH ENHANCED POLYOL SHELF LIFE AND...

CATALYST SYSTEM FOR POLYOL PREMIXES CONTAINING HYDROHALOOLEFIN BLOW...

Self-Healing Composite of Thermoset Polymer and Programmed Super Co...

PRODUCTION OF POLYURETHANE FOAM

PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER POLYOLS