Rhone-Poulenc Fibres
28Patents
0Active
28Granted
31Portfolio score
Filing activity: Dec 23, 1982 → Jan 14, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5300626A | Process for obtaining modified polyethylene terephthalate pilling-free fibres originating from the polymer thus modified | Textiles; Paper | 35 | Expired |
| US5478909A | Process for obtaining modified polyethylene terephthalate pilling-free fibres originating from the polymer thus modified | Textiles; Paper | 33 | Expired |
| US5118550A | Substrate based on a nonwoven sheet made of chemical textile | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4710535A | Masterbatches for delustring polyamides | Chemistry; Metallurgy | 19 | Expired |
| US4560385A | Process for the treatment of non-woven sheets and the product obtained | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6258916A | Process for spinning from solution of polyamide-imides (PAI) based on tolylene or meta-phenylene diisocyanates and fibers thus obtained | Textiles; Paper | 14 | Expired |
| US5756635A | Process for spinning from solution of polyamide-imides (PAI) based on tolylene or met-phenylene diisocyanates and fibres thus obtained | Textiles; Paper | 14 | Expired |
| US5442903A | Thermoset twist composed of synthetic monofilaments | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4950700A | Polyamide-imide solutions and a process for obtaining them | Chemistry; Metallurgy | 11 | Expired |
| US4834577A | Process and means for the protection of roadway dressings against crack initiation | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5431782A | Synthetic papers based on thermally stable fibres, pulp and binder and process for obtaining them | Electricity | 10 | Expired |
| US4598880A | Perforated core for a textile yarn package | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5341632A | Yarn with the appearance of a spun yarn, made from polyamide-based fibres | Textiles; Paper | 9 | Expired |
| US4628682A | Spun fibre yarn and method for its manufacture | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5207959A | Process for obtaining pet yarns with an improved production efficiency | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4489542A | Spun like fiber yarn produced by interlacing | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5336709A | Undrawn pre-oriented pet yarns with improved production efficiency | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5684119A | Solutions of polyamideimides in .gamma.-butyrolactone, process for obtaining them and the yarns thus obtained | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4518658A | Waterproof membrane with fuse bonded non-woven reinforcement | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4646981A | Process and apparatus for the simultaneous throwing of several textile threads delivered continuously | Performing Operations; Transporting | 4 | Expired |
| US5159052A | Polyamide-imide based filaments, and a process for obtaining them | Textiles; Paper | 4 | Expired |
| US5095070A | Polyamide-imide solutions and the process for obtaining them | Textiles; Paper | 3 | Expired |
| US4804508A | Process for spinning polyamide at high speed | Textiles; Paper | 3 | Expired |
| US5118778A | Process for the preparation of semiordered polyamides-imides | Chemistry; Metallurgy | 3 | Expired |
| US5071889A | Flavored synthetic monofilament based on homopolyamide or copolyamide | Textiles; Paper | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.