Fiber, LLC
13Patents
0Active
13Granted
30Portfolio score
Filing activity: May 9, 1975 → May 12, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6430332B1 | Optical switching apparatus | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4477951A | Viscose rayon spinning machine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4163840A | Process and apparatus for making alkali cellulose in sheet form | Chemistry; Metallurgy | 7 | Expired |
| US4260739A | Process and apparatus for preparing a homogeneous solution of xanthated alkali cellulose | Chemistry; Metallurgy | 7 | Expired |
| US4269973A | Process and apparatus for making alkali cellulose in sheet form | Chemistry; Metallurgy | 5 | Expired |
| US4158698A | Apparatus for continuous xanthation and production of viscose spinning solution | Chemistry; Metallurgy | 4 | Expired |
| US4037039A | Process for continuous xanthation and production of viscose spinning solution | Chemistry; Metallurgy | 4 | Expired |
| US4284765A | Automatic aging analyzer using a motor having a constant torque | Chemistry; Metallurgy | 2 | Expired |
| US4364889A | Process for preparing a cotton-like rayon fiber | Textiles; Paper | 2 | Expired |
| US4324751A | Process for preparing viscose rayon | Textiles; Paper | 1 | Expired |
| US4224866A | Treatment of rayon staple | Textiles; Paper | 1 | Expired |
| US4289875A | Process for continuous filtration and aging of xanthated alkali cellulose | Chemistry; Metallurgy | 1 | Expired |
| US4275195A | Process and apparatus for expediting the mercerization of alkali cellulose | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.