Moldable compositions based on thermoplastic polymers, synthetic elastomers and vegetable fibrous materials, and use of these compositions for calendering and thermoforming
Patent 4203876 Issued on May 20, 1980. Estimated Expiration Date: 
February 23, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 23, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2872430 2888433 3406127 3888810 3917501 Filled thermoplastic Patent #: 3976608 InventorsAssigneeApplicationNo. 05/880486 filed on 02/23/1978US Classes:524/9, Cellular material derived from plant or animal source DNRM other than: cotton, farinaceous meals or flours, blood, diatomaceous earth, chalk, or other fossilized matter524/13, Wood or wood cellulose fiber or flour524/14, At least one solid polymer or SICP derived from at least one nonethylenic reactant524/15, Vegetable shell, hull, or cob ingredient, e.g., nut shells, pits, etc.524/16, Bark or cork524/27, Carbohydrate or derivative DNRM524/78Residue of undetermined constitution derived from destructive distillation of a plant or animal source or plant or animal extract of undetermined constitution DNRMExaminersPrimary: Welsh, Maurice J.Attorney, Agent or FirmInternational ClassC08L 101/00 (20060101)Foreign Application Priority Data1977-02-28 FRAbstractMoldable composition based on thermoplastic polymers and vegetable fibrous materials and containing a synthetic elastomer. | |
