Yven Rohlfing

Person

Muenchen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Photochromic annelated naphthopyrane systems with special substitue...
- Patent number 11,965,102
- Issue date Apr 23, 2024
- Rodenstock GmbH
- Udo Weigand
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
UV-curing-compatible photochromic fused naphthopyrans
- Patent number 10,077,274
- Issue date Sep 18, 2018
- Rodenstock GmbH
- Udo Weigand
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic fluorenopyrans with defined dibenzo[B,D]pyrano fused a...
- Patent number 9,963,574
- Issue date May 8, 2018
- Rodenstock GmbH
- Udo Weigand
- G02 - OPTICS
Information Patent Grant
Photochromic double-fused naphthopyrans
- Patent number 9,151,872
- Issue date Oct 6, 2015
- Rodenstock GmbH
- Udo Weigand
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic bis-idenofused naphthopryans
- Patent number 8,987,477
- Issue date Mar 24, 2015
- Rodenstock GmbH
- Udo Weigand
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic fused naphthopyrans having a benzene ring which is adj...
- Patent number 8,933,220
- Issue date Jan 13, 2015
- Rodenstock GmbH
- Manfred Melzig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic benzopyrano-benzopyrans with further fusing
- Patent number 8,236,716
- Issue date Aug 7, 2012
- Rodenstock GmbH
- Manfred Melzig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic spirodihydrophenanthropyrans
- Patent number 8,013,174
- Issue date Sep 6, 2011
- Rodenstock GmbH
- Udo Weigand
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic plastic object
- Patent number 7,922,941
- Issue date Apr 12, 2011
- Rodenstock GmbH
- Yven Rohlfing
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Photochromic benzopyrans
- Patent number 7,892,296
- Issue date Feb 22, 2011
- Rodenstock GmbH
- Manfred Melzig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic h-annellated benzo[f]chromene compounds
- Patent number 7,544,315
- Issue date Jun 9, 2009
- Rodenstock GmbH
- Manfred Melzig
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
COMBINATION OF SPECIFIC ANNELLATED NAPHTHOPYRANE ISOMERS
- Publication number 20250092262
- Publication date Mar 20, 2025
- RODENSTOCK GMBH
- Udo WEIGAND
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHOTOCHROMIC ANNELATED NAPHTHOPYRANE SYSTEMS WITH SPECIAL SUBSTITUE...
- Publication number 20210253865
- Publication date Aug 19, 2021
- RODENSTOCK GMBH
- Udo WEIGAND
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
UV-CURING-COMPATIBLE PHOTOCHROMIC FUSED NAPHTHOPYRANS
- Publication number 20160152629
- Publication date Jun 2, 2016
- Udo WEIGAND
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOTOCHROMIC FLUORENOPYRANS WITH DEFINED DIBENZO[B,D]PYRANO FUSED A...
- Publication number 20150152246
- Publication date Jun 4, 2015
- Udo Weigand
- G02 - OPTICS
Information Patent Application
Photochromic Bis-Idenofused Naphthopryans
- Publication number 20140330028
- Publication date Nov 6, 2014
- Udo Weigand
- G02 - OPTICS
Information Patent Application
Photochromic Double-Fused Naphthopyrans
- Publication number 20140235876
- Publication date Aug 21, 2014
- Udo Weigand
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHOTOCHROMIC FUSED NAPHTHOPYRANS HAVING A BENZENE RING WHICH IS ADJ...
- Publication number 20130310556
- Publication date Nov 21, 2013
- RODENSTOCK GMBH
- Manfred Melzig
- G02 - OPTICS
Information Patent Application
PHOTOCHROMIC BENZOPYRANO-BENZOPYRANS WITH FURTHER FUSING
- Publication number 20110201489
- Publication date Aug 18, 2011
- Manfred Melzig
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOTOCHROMIC NAPHTHOPYRANS HAVING A DOUBLE-BRIDGED TERPHENYL SUB-UNIT
- Publication number 20110081482
- Publication date Apr 7, 2011
- Manfred Melzig
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOTOCHROMIC BENZOPYRANS
- Publication number 20100243971
- Publication date Sep 30, 2010
- Manfred Melzig
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Photochromic Spirodihydrophenanthropyrans
- Publication number 20080262248
- Publication date Oct 23, 2008
- Rodenstock GmbH
- Udo WEIGAND
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Photochromic Plastic Object
- Publication number 20080251772
- Publication date Oct 16, 2008
- Rodenstock GmbH
- Yven Rohlfing
- G02 - OPTICS
Information Patent Application
Photochromic h-annellated benzo[f]chromene compounds
- Publication number 20070246692
- Publication date Oct 25, 2007
- Rodenstock GmbH
- Manfred Melzig
- C07 - ORGANIC CHEMISTRY

Yven Rohlfing

Person

Patents Grantslast 30 patents

Photochromic annelated naphthopyrane systems with special substitue...

UV-curing-compatible photochromic fused naphthopyrans

Photochromic fluorenopyrans with defined dibenzo[B,D]pyrano fused a...

Photochromic double-fused naphthopyrans

Photochromic bis-idenofused naphthopryans

Photochromic fused naphthopyrans having a benzene ring which is adj...

Photochromic benzopyrano-benzopyrans with further fusing

Photochromic spirodihydrophenanthropyrans

Photochromic plastic object

Photochromic benzopyrans

Photochromic h-annellated benzo[f]chromene compounds

Patents Applicationslast 30 patents

COMBINATION OF SPECIFIC ANNELLATED NAPHTHOPYRANE ISOMERS

PHOTOCHROMIC ANNELATED NAPHTHOPYRANE SYSTEMS WITH SPECIAL SUBSTITUE...

UV-CURING-COMPATIBLE PHOTOCHROMIC FUSED NAPHTHOPYRANS

PHOTOCHROMIC FLUORENOPYRANS WITH DEFINED DIBENZO[B,D]PYRANO FUSED A...

Photochromic Bis-Idenofused Naphthopryans

Photochromic Double-Fused Naphthopyrans

PHOTOCHROMIC FUSED NAPHTHOPYRANS HAVING A BENZENE RING WHICH IS ADJ...

PHOTOCHROMIC BENZOPYRANO-BENZOPYRANS WITH FURTHER FUSING

PHOTOCHROMIC NAPHTHOPYRANS HAVING A DOUBLE-BRIDGED TERPHENYL SUB-UNIT

PHOTOCHROMIC BENZOPYRANS

Photochromic Spirodihydrophenanthropyrans

Photochromic Plastic Object

Photochromic h-annellated benzo[f]chromene compounds