Representative before the EPO

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Technology Company

Representative before the EPO

Employment test 1 - 10 employees
Company dna dr langfinger and partner
no operation time available
Headquarter in Frankfurt am Main and 1 office
active in Legal Services and Matchmaking and Trading

Bernd Hupfer has worked on the following 31 EPO patent applications which have been published in the last five years:

EP11805930

LOW FORMALDEHYDE VINYL ESTER/ETHYLENE COPOLYMER DISPERSIONS FOR USE IN ADHESIVES

IPC classification:
C09J 123/08, C09J 131/04
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12845182

HIGH DENIER PER FILAMENT AND LOW TOTAL DENIER TOW BANDS

IPC classification:
A24D 3/02, D01F 2/28, D02G 1/12, D04H 3/013, D04H 3/077, D04H 3/12
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP12795235

POLYMER LATEX BLENDS AND APPLICATIONS THEREOF

IPC classification:
C08L 23/08, C09D 123/08, C09D 125/00
Applicant:
Celanese International Corporation
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
EXAMINATION IN PROGRESS
EP11819106

POLYMER DISPERSIONS

IPC classification:
C08F 2/22
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP12818846

PROCESS FOR PRODUCING AMMONIUM SALTS

IPC classification:
C01C 1/24, C07C 209/86, C07D 291/06
Applicant:
Celanese International Corporation
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11867577

CARPET COATING COMPOSITIONS OF IMPROVED STABILITY FORMED FROM VINYL ACETATE/ ETHYLENE COPOLYMER DISPERSIONS

IPC classification:
C09D 131/04, D06N 7/00
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13751299

DEFORMABLE TABLET WITH WATER TRIGGERED CATALYST RELEASE

IPC classification:
A24D 3/04, A24D 3/06, A24D 3/08
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13754396

METHODS OF PREPARING POLYSACCHARIDE SHEETS FOR ESTERIFICATION

IPC classification:
C08B 3/00, C08B 3/06
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP13706869

CARPET PRODUCTS AND PROCESSES FOR MAKING SAME USING LATEX COATING COMPOSITIONS

IPC classification:
C09J 109/08, C09J 131/04, D06N 7/00
Applicant:
Celanese International Corporation
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP13741111

SUBSTITUTED CELLULOSE ACETATES AND USES THEREOF

IPC classification:
A61F 13/49, A61F 13/53, A61L 15/28
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13740863

SUBSTITUTED CELLULOSE ACETATES AND USES THEREOF

IPC classification:
A01C 1/00, A01C 1/06, A01C 1/08
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13741010

SUBSTITUTED CELLULOSE ACETATES AND USES THEREOF

IPC classification:
A24D 1/00, A24D 3/06, A24D 3/10, A24D 3/14
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13741364

SUBSTITUTED CELLULOSE ACETATES AND USES THEREOF

IPC classification:
C08B 3/06, C08L 1/12, C09J 101/12
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13741471

SUBSTITUTED CELLULOSE ACETATES AND USES THEREOF

IPC classification:
C09K 8/10, C09K 8/588, E21B 43/22
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP12728766

LOW FORMALDEHYDE VINYL ESTER/ETHYLENE EMULSION COPOLYMERS

IPC classification:
C08F 18/04
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
EXAMINATION IN PROGRESS
EP13719689

VINYL ESTER-BASED COPOLYMER DISPERSIONS FROM A CONTINUOUS TUBULAR EMULSION POLYMERIZATION PROCESS

IPC classification:
C08F 2/22, C08F 218/08, C08F 220/04, C08F 222/16
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
EXAMINATION IN PROGRESS
EP12876890

VINYL ACETATE-ETHYLENE COPOLYMER EMULSION AND PAPER COATING COMPOSITION BASED ON THE SAME

IPC classification:
C08F 2/22, C08F 218/08, C09D 131/04
Applicant:
Celanese International Corporation
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13739500

VINYL ESTER/ETHYLENE COPOLYMER DISPERSIONS PREPARED BY CONTINUOUS TUBULAR EMULSION POLYMERIZATION FOR COATING CARPET PRODUCTS

IPC classification:
C08F 2/22, C09D 131/04, C09J 131/04, D06N 7/00
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13727188

PROCESS FOR PRODUCING ACESULFAME POTASSIUM

IPC classification:
C07D 291/06
Applicant:
Nutrinova Nutrition Specialties & Food Ingredients GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
PATENT GRANTED
EP12768725

TASTE-MASKING COMPOSITIONS, SWEETENER COMPOSITIONS AND CONSUMABLE PRODUCT COMPOSITIONS CONTAINING THE SAME

IPC classification:
A23L 1/22, A23L 1/236, A23L 2/56, A23L 2/60
Applicant:
Nutrinova Nutrition Specialties & Food Ingredients GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP13731248

HYDROPHOBIC VINYL ESTER COPOLYMER DISPERSIONS

IPC classification:
C08F 2/20, C08F 2/26, C08F 2/30, C08F 218/08, C09J 123/08, C09J 131/02, C09J 131/04
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP13823035

SPINNERET COMPRISING TRI-ARC HOLES AND TRI-ARC FILAMENTS PRODUCED THEREFROM

IPC classification:
D01D 4/02, D01D 5/253, D01F 2/28, D02G 1/00
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP13822917

SPINNERET COMPRISING TRI-ARC HOLES AND TRI-ARC FILAMENTS PRODUCED THEREFROM

IPC classification:
A24D 3/04, A24D 3/06, B01D 39/02, B01D 39/14
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13825032

METHODS OF PRODUCING FILTERS AND FILTER RODS COMPRISING POROUS MASSES AND ARTICLES RELATING THERETO

IPC classification:
A24D 3/00, A24D 3/02
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP12882818

WATERPROOFING COATING COMPOSITIONS

IPC classification:
C08F 218/04, C09D 129/04
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP13759349

METHODS FOR REMOVING HEMICELLULOSE

IPC classification:
C08H 8/00, C12P 19/00
Applicant:
Celanese International Corporation
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP13801717

POLYMER DISPERSIONS HAVING MULTIMODAL PARTICLE SIZE DISTRIBUTION

IPC classification:
C08F 2/24
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
EXAMINATION IN PROGRESS
EP12884053

FUNCTIONALIZED VINYL ACETATE ETHYLENE BINDERS FOR PAPER AND PAPERBOARD COATINGS

IPC classification:
B32B 7/12, C08F 2/44, C08J 5/12
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP12884914

FIBROUS SUBSTRATES ADHERED WITH SUBSTITUTED CELLULOSE ESTER ADHESIVES AND METHODS RELATING THERETO

IPC classification:
B32B 7/12, B32B 23/10, B32B 23/14, B32B 23/20, C08J 7/00, C08L 1/10
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12885105

SUBSTITUTED CELLULOSE ESTER ADHESIVES AND METHODS AND ARTICLES RELATING THERETO

IPC classification:
C08B 5/00, C08B 5/02, C08B 5/14, C09J 101/16
Applicant:
Celanese Acetate LLC
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED
EP13777233

ADHESIVE COMPOSITIONS

IPC classification:
C09J 131/02, C09J 133/00
Applicant:
Celanese Emulsions GmbH
Applicant:
Celanese Sales Germany GmbH
Agent:
Ulrike Maria Herr, Isenbruck Bösl Hörschler LLP
Agent:
Bernd Hupfer, Celanese GmbH
Status:
GRANT OF PATENT INTENDED

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