WO2009113705-A1 -- JP2001315217-A   CANON KK (CANO)   NAKABAYASHI M;  US3765810-A   UNION CARBIDE CORP (UNIC);  WO2007029864-A1   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  WO2008093543-A1   RICOH KK (RICO)   MASUZAWA M,  OHGAKI M;  EP2250008-A1 -- DE4135063-A1   ELASTOGRAN POLYURETHANE GMBH (ELAS-Non-standard)   GUDD F;  DE4433579-A1   MANKIEWICZ GEBR & CO (MANK-Non-standard);  PHOENIX AG (PHOX)   SIMON R H,  WEIDLER D;  WO2001074559-A1   ;  US8202469-B2 -- CN101258013-B   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  DE2263704-A   UNION CARBIDE CORP (UNIC);  EP1922198-A1   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  FR2166130-A   UNION CARBIDE CORP (UNIC);  JP48078282-A   UNION CARBIDE CORP (UNIC);  JP2001315217-A   CANON KK (CANO)   NAKABAYASHI M;  JP2004331793-A   ;  JP2007098930-A   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  JP2007148046-A   ;  JP2008183759-A   RICOH KK (RICO)   MASUZAWA M,  OHGAKI M;  KR2008033532-A   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  US3765810-A   UNION CARBIDE CORP (UNIC);  US20040037530-A1   ;  US20080220204-A1   ;  US20090133804-A1   ;  WO2007029864-A1   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  WO2008093543-A1   RICOH KK (RICO)   MASUZAWA M,  OHGAKI M;  KR1253398-B1 -- JP2001315217-A   CANON KK (CANO)   NAKABAYASHI M;  WO2007029864-A1   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  CN101970203-B -- DE4135063-A1   ELASTOGRAN POLYURETHANE GMBH (ELAS-Non-standard)   GUDD F;  JP2001315217-A   CANON KK (CANO)   NAKABAYASHI M;  US3765810-A   UNION CARBIDE CORP (UNIC);  WO2007029864-A1   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  EP2250008-B1 -- DE4135063-A1   ELASTOGRAN POLYURETHANE GMBH (ELAS-Non-standard)   GUDD F;  DE4433579-A1   MANKIEWICZ GEBR & CO (MANK-Non-standard);  PHOENIX AG (PHOX)   SIMON R H,  WEIDLER D;  JP2001315217-A   CANON KK (CANO)   NAKABAYASHI M;  US3765810-A   UNION CARBIDE CORP (UNIC);  WO2001074559-A1   ;  WO2007029864-A1   RICOH KK (RICO)   KANEMATSU T,  SUTO K,  HARADA T;  WO2008093543-A1   RICOH KK (RICO)   MASUZAWA M,  OHGAKI M