Johann KIEFFER

Person

Hopital Le Grand, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for obtaining bio-sourced N-vinylformamide
- Patent number 12,269,789
- Issue date Apr 8, 2025
- SNF GROUP
- Cédrick Favero
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for filtering 2-acrylamido-2-methylpropane sulfonic acid
- Patent number 12,145,900
- Issue date Nov 19, 2024
- SNF Group
- Cédrick Favero
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for producing 2-dimethylaminoethyl (meth)acrylate
- Patent number 12,091,480
- Issue date Sep 17, 2024
- SNF GROUP
- Cédrick Favero
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dialkyl tin oxide composition and process for producing 2-dimethyla...
- Patent number 12,030,832
- Issue date Jul 9, 2024
- SNF GROUP
- Cédrick Favero
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for the purification of acrylamido-2-methyl-2-propanesulphon...
- Patent number 11,802,109
- Issue date Oct 31, 2023
- SNF GROUP
- Cédrick Favero
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-dimethylaminoethyl acrylate polymers and their preparation method
- Patent number 11,767,381
- Issue date Sep 26, 2023
- SNF GROUP
- Cédrick Favero
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous fracturing fluid composition and fracturing process using t...
- Patent number 11,560,510
- Issue date Jan 24, 2023
- S.P.C.M. SA
- Johann Kieffer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic...
- Patent number 11,535,588
- Issue date Dec 27, 2022
- S.P.C.M. SA
- Cédrick Favero
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic...
- Patent number 11,535,587
- Issue date Dec 27, 2022
- S.P.C.M. SA
- Cédrick Favero
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for treating a suspension of solid particles in water using...
- Patent number 11,370,749
- Issue date Jun 28, 2022
- S.P.C.M. SA
- Cédrick Favero
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic...
- Patent number 11,365,173
- Issue date Jun 21, 2022
- S.P.C.M. SA
- Cédrick Favero
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Enhanced oil recovery method using a (co)polymer of a hydrated crys...
- Patent number 11,180,446
- Issue date Nov 23, 2021
- S.P.C.M. SA
- Cédrick Favero
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fracturing fluid comprising a (co)polymer of a hydrated crystalline...
- Patent number 10,968,171
- Issue date Apr 6, 2021
- S.P.C.M. SA
- Cédrick Favero
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of preparation of cationic polymers with reduced halides con...
- Patent number 10,836,871
- Issue date Nov 17, 2020
- S.P.C.M. SA
- Johann Kieffer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic...
- Patent number 10,759,746
- Issue date Sep 1, 2020
- S.P.C.M. SA
- Cédrick Favero
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 2-acrylamido-2-methylpropane sulphonic acid
- Patent number 10,669,231
- Issue date Jun 2, 2020
- S.P.C.M. SA
- Cédrick Favero
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing the 2-acrylamido-2-methylpropane sulfonic acid...
- Patent number 10,662,149
- Issue date May 26, 2020
- S.P.C.M. SA
- Cédrick Favero
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the preparation of alkylsalicylaldehyde and alkylsalicyl...
- Patent number 10,259,767
- Issue date Apr 16, 2019
- S.P.C.M. SA
- Johann Kieffer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
BIO-SOURCED CATIONIC HIGH CHARGE DENSITY POLYMER
- Publication number 20240279397
- Publication date Aug 22, 2024
- SNF Group
- Cédrick FAVERO
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
PROCESS FOR OBTAINING BIO-SOURCED DIALLYLDIALKYLAMMONIUM HALIDE
- Publication number 20240279154
- Publication date Aug 22, 2024
- SNF Group
- Cédrick FAVERO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR OBTAINING BIO-SOURCED N-VINYLFORMAMIDE
- Publication number 20240270681
- Publication date Aug 15, 2024
- SNF Group
- Cédrick FAVERO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BIOLOGICAL METHOD FOR OBTAINING MONOMERS COMPRISING AN ETHYLENIC UN...
- Publication number 20240263201
- Publication date Aug 8, 2024
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR OBTAINING BIO-SOURCED SUSBTITUTED ALKYL(METH)ACRYLAMIDE
- Publication number 20240262786
- Publication date Aug 8, 2024
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR OBTAINING BIO-SOURCED (METH)ALLYLSULFONATE ALKALI SALT
- Publication number 20240254384
- Publication date Aug 1, 2024
- SNF Group
- Cédrick FAVERO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR OBTAINING A BIO-SOURCED-MONOMER FROM RENEWABLE DIMETHYLA...
- Publication number 20240239933
- Publication date Jul 18, 2024
- SNF Group
- Cédrick FAVERO
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
HIGH MOLECULAR WEIGHT ANIONIC POLYACRYLAMIDES
- Publication number 20240132711
- Publication date Apr 25, 2024
- SNF Group
- Cédrick FAVERO
- E21 - EARTH DRILLING MINING
Information Patent Application
MACROMONOMER, METHOD FOR OBTAINING SAME AND COPOLYMER CONTAINING SAME
- Publication number 20240132644
- Publication date Apr 25, 2024
- SNF Group
- Cédrick FAVERO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for inerting clays in hydraulic compositions intended for th...
- Publication number 20240034678
- Publication date Feb 1, 2024
- SNF Group
- Thomas BOURSIER
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
CATIONIC POLYACRYLAMIDES WITH MICRO-BLOCK STRUCTURE
- Publication number 20240034822
- Publication date Feb 1, 2024
- SNF Group
- Cédrick FAVERO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
POLYMER OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID OR THE SALTS...
- Publication number 20230272129
- Publication date Aug 31, 2023
- SNF Group
- Cédrick FAVERO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL SULFOBETAINE MONOMERS, PROCESS FOR PREPARING SAME, AND USES T...
- Publication number 20230183174
- Publication date Jun 15, 2023
- S.P.C.M. SA
- Johann KIEFFER
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
2-DIMETHYLAMINOETHYL ACRYLATE POLYMERS AND THEIR PREPARATION METHOD
- Publication number 20230114764
- Publication date Apr 13, 2023
- S.P.C.M. SA
- Cédrick FAVERO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC...
- Publication number 20220332680
- Publication date Oct 20, 2022
- S.P.C.M. SA
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC...
- Publication number 20220289672
- Publication date Sep 15, 2022
- S.P.C.M. SA
- Cédrick FAVERO
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
NOVEL PROCESS FOR FILTERING 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID
- Publication number 20220227704
- Publication date Jul 21, 2022
- SPCM SA
- Cédrick Favero
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR THE PURIFICATION OF ACRYLAMIDO-2-METHYL-2-PROPANESULPHON...
- Publication number 20220089530
- Publication date Mar 24, 2022
- S.P.C.M. SA
- Cédrick FAVERO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NOVEL AQUEOUS FRACTURING FLUID COMPOSITION AND FRACTURING PROCESS U...
- Publication number 20210340431
- Publication date Nov 4, 2021
- S.P.C.M. SA
- Johann KIEFFER
- E21 - EARTH DRILLING MINING
Information Patent Application
NEW DIALKYL TIN OXIDE COMPOSITION AND PROCESS FOR PRODUCING 2-DIMET...
- Publication number 20210309605
- Publication date Oct 7, 2021
- S.P.C.M. SA
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING 2-DIMETHYLAMINOETHYL (METH)ACRYLATE
- Publication number 20210114969
- Publication date Apr 22, 2021
- S.P.C.M. SA
- Cédrick FAVERO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC...
- Publication number 20200377449
- Publication date Dec 3, 2020
- S.P.C.M. SA
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR TREATING A SUSPENSION OF SOLID PARTICLES IN WATER USING...
- Publication number 20200087186
- Publication date Mar 19, 2020
- S.P.C.M. SA
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ENHANCED OIL RECOVERY METHOD USING A (CO)POLYMER OF A HYDRATED CRYS...
- Publication number 20200079992
- Publication date Mar 12, 2020
- S.P.C.M. SA
- Cédrick FAVERO
- E21 - EARTH DRILLING MINING
Information Patent Application
FRACTURING FLUID COMPRISING A (CO)POLYMER OF A HYDRATED CRYSTALLINE...
- Publication number 20200048535
- Publication date Feb 13, 2020
- S.P.C.M. SA
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC...
- Publication number 20200031765
- Publication date Jan 30, 2020
- S.P.C.M. SA
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NEW METHOD FOR PRODUCING 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID
- Publication number 20200024228
- Publication date Jan 23, 2020
- S.P.C.M. SA
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PREPARATION OF CATIONIC POLYMERS WITH REDUCED HALIDES CON...
- Publication number 20190202997
- Publication date Jul 4, 2019
- Johann KIEFFER
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PRODUCING THE 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID...
- Publication number 20180244609
- Publication date Aug 30, 2018
- S.P.C.M. SA
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PREPARATION OF ALKYLSALICYLALDEHYDE AND ALKYLSALICYL...
- Publication number 20180186714
- Publication date Jul 5, 2018
- S.P.C.M. SA
- Johann KIEFFER
- C07 - ORGANIC CHEMISTRY

Johann KIEFFER

Person

Patents Grantslast 30 patents

Method for obtaining bio-sourced N-vinylformamide

Process for filtering 2-acrylamido-2-methylpropane sulfonic acid

Method for producing 2-dimethylaminoethyl (meth)acrylate

Dialkyl tin oxide composition and process for producing 2-dimethyla...

Method for the purification of acrylamido-2-methyl-2-propanesulphon...

2-dimethylaminoethyl acrylate polymers and their preparation method

Aqueous fracturing fluid composition and fracturing process using t...

Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic...

Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic...

Method for treating a suspension of solid particles in water using...

Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic...

Enhanced oil recovery method using a (co)polymer of a hydrated crys...

Fracturing fluid comprising a (co)polymer of a hydrated crystalline...

Method of preparation of cationic polymers with reduced halides con...

Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic...

Method for producing 2-acrylamido-2-methylpropane sulphonic acid

Method for producing the 2-acrylamido-2-methylpropane sulfonic acid...

Method for the preparation of alkylsalicylaldehyde and alkylsalicyl...

Patents Applicationslast 30 patents

BIO-SOURCED CATIONIC HIGH CHARGE DENSITY POLYMER

PROCESS FOR OBTAINING BIO-SOURCED DIALLYLDIALKYLAMMONIUM HALIDE

METHOD FOR OBTAINING BIO-SOURCED N-VINYLFORMAMIDE

BIOLOGICAL METHOD FOR OBTAINING MONOMERS COMPRISING AN ETHYLENIC UN...

METHOD FOR OBTAINING BIO-SOURCED SUSBTITUTED ALKYL(METH)ACRYLAMIDE

METHOD FOR OBTAINING BIO-SOURCED (METH)ALLYLSULFONATE ALKALI SALT

METHOD FOR OBTAINING A BIO-SOURCED-MONOMER FROM RENEWABLE DIMETHYLA...

HIGH MOLECULAR WEIGHT ANIONIC POLYACRYLAMIDES

MACROMONOMER, METHOD FOR OBTAINING SAME AND COPOLYMER CONTAINING SAME

Method for inerting clays in hydraulic compositions intended for th...

CATIONIC POLYACRYLAMIDES WITH MICRO-BLOCK STRUCTURE

POLYMER OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID OR THE SALTS...

NOVEL SULFOBETAINE MONOMERS, PROCESS FOR PREPARING SAME, AND USES T...

2-DIMETHYLAMINOETHYL ACRYLATE POLYMERS AND THEIR PREPARATION METHOD

HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC...

HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC...

NOVEL PROCESS FOR FILTERING 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID

METHOD FOR THE PURIFICATION OF ACRYLAMIDO-2-METHYL-2-PROPANESULPHON...

NOVEL AQUEOUS FRACTURING FLUID COMPOSITION AND FRACTURING PROCESS U...

NEW DIALKYL TIN OXIDE COMPOSITION AND PROCESS FOR PRODUCING 2-DIMET...

METHOD FOR PRODUCING 2-DIMETHYLAMINOETHYL (METH)ACRYLATE

HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC...

METHOD FOR TREATING A SUSPENSION OF SOLID PARTICLES IN WATER USING...

ENHANCED OIL RECOVERY METHOD USING A (CO)POLYMER OF A HYDRATED CRYS...

FRACTURING FLUID COMPRISING A (CO)POLYMER OF A HYDRATED CRYSTALLINE...

HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC...

NEW METHOD FOR PRODUCING 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID

METHOD OF PREPARATION OF CATIONIC POLYMERS WITH REDUCED HALIDES CON...

METHOD FOR PRODUCING THE 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID...

METHOD FOR THE PREPARATION OF ALKYLSALICYLALDEHYDE AND ALKYLSALICYL...