Mitsubishi Acetate Co., Ltd.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4888147 Process for production of cellulose acetate molding materialsExpiredOct 07, 88Dec 19, 89[D01F]
4826433 Stick absorber for oral cavityExpiredJun 16, 87May 02, 89[A61C]
4670953 Method for forming warp beam of uniform diameterExpiredSep 06, 85Jun 09, 87[D02H]
4583560 Tobacco smoke filterExpiredJul 07, 83Apr 22, 86[B34C, A24D]
4488563 Filter plugExpiredApr 29, 82Dec 18, 84[A24D]
4411641 Method for producing a tobacco smoke filter plugExpiredSep 28, 81Oct 25, 83[A24D]
4357188 Method for manufacturing cigarette filtersExpiredOct 17, 80Nov 02, 82[B29N]
4316475 Tobacco smoke filter plug and producing method thereforExpiredApr 04, 80Feb 23, 82[A24C]
4252855 Surface-modified cellulose acetate filaments and a process for producing the sameExpiredDec 07, 78Feb 24, 81[B29C, D02G]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.