Patent details
    
    
        EP2881790
    
    
    	
            Title:
            
                Photomask blank
            
        
        
        
    
Basic Information
    - Publication number:
- EP2881790
- PCT Application Number:
- Type:
- European Patent Granted for LU
- Legal Status:
- Lapsed
    - Application number:
- EP141960088
- PCT Publication Number:
- First applicant's nationality:
- Translation Language:
- EPO Publication Language:
- English
- English Title of Invention:
- Photomask blank
- French Title of Invention:
- Ébauche de photomasque
- German Title of Invention:
- Fotomaskenrohling
- SPC Number:
- 
            
        
Dates
    - Filing date:
- 03/12/2014
- Grant date:
- 19/06/2019
- EP Publication Date:
- 10/06/2015
- PCT Publication Date:
- Claims Translation Received Date:
- Translations Received Date (B1 EP Publication):
- Translations Received Date (B2 EP Publication):
- Translations Received Date (B3 EP Publication):
    - Publication date:
- 19/06/2019
- EP B1 Publication Date:
- 19/06/2019
- EP B2 Publication Date:
- EP B3 Publication Date:
- Lapsed date:
- 03/12/2019
- Expiration date:
- 03/12/2034
- Renunciation date:
- Revocation date:
- Annulment date:
Owner
					
		
			
				- From:
- 12/06/2019
				-  
-  
					- Name:
- Shin-Etsu Chemical Co., Ltd.
					- Address:
- 6-1, Ohtemachi 2-chome 
Chiyoda-ku, Tokyo, Japan (JP)
Inventor
    
        
            1
        
        
            - Name:
- Kaneko, Hideo
            - Address:
- Japan (JP)
2
        
        
            - Name:
- Inazuki, Yukio
            - Address:
- Japan (JP)
3
        
        
            - Name:
- Nakagawa, Hideo
            - Address:
- Japan (JP)
4
        
        
            - Name:
- Fukaya, Souichi
            - Address:
- Japan (JP)
5
        
        
            - Name:
- Sasamoto, Kouhei
            - Address:
- Japan (JP)
Priority
    
        
        
            - Priority Number:
- 2013253239
- Priority Date:
- 06/12/2013
            - Priority Country:
- Japan (JP)
Classification
    
        
        
            - IPC classification:
- 
                
                    
                    
                        G03F 1/00;
                
                    
                    
                        G03F 1/26;
                
                    
                    
                        G03F 1/30;
                
                    
                    
                        G03F 1/46;
                
                    
                    
                        G03F 1/54;
                
            
Publication
    
    
        European Patent Bulletin
        
            
            
                - Issue number:
- 201925
                - Publication date:
- 19/06/2019
- Description:
- Grant (B1)
Annual Fees
    
        - Annual Fee Due Date:
-  
- Annual Fee Number:
-  
- Expected Payer:
-  
        - Last Annual Fee Payment Date:
-  
- Last Annual Fee Paid Number:
-  
- Payer:
-  
 
    
        
        
        
            | Filing date | Document type | Number of pages |