Hajo Hagens

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Wiesbaden-Auringen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing antireflection-treated surfaces
- Patent number 5,855,717
- Issue date Jan 5, 1999
- Hoechst Aktiengesellschaft
- Ekkehard Beer
- B44 - DECORATIVE ARTS
Information Patent Grant
Method and apparatus for preventing air entrapment in a rolled web
- Patent number 5,518,201
- Issue date May 21, 1996
- Hoechst Aktiengesellschaft
- Hajo Hagens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Surface structured film made of thermoplastic and a process to manu...
- Patent number 5,242,737
- Issue date Sep 7, 1993
- Hoechst Aktiengesellschaft
- Hajo Hagens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Planar substrate with a regularly textured surface on at least one...
- Patent number 5,215,804
- Issue date Jun 1, 1993
- Hoechst Aktiengesellschaft
- Hajo Hagens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for winding a film web
- Patent number 5,039,023
- Issue date Aug 13, 1991
- Hoechst Aktiengesellschaft
- Hajo Hagens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Process and device for winding a film web
- Patent number 4,830,303
- Issue date May 16, 1989
- Hoechst Aktiengesellschaft
- Hajo Hagens
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL