Particulated polyetherimide and method for making
Patent 4314047 Issued on February 2, 1982. Estimated Expiration Date: 
July 21, 2000. 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.
July 21, 2000. 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 3833544 3833546 3847867 3905942 Novel polyetherimides Method for making polyetherimides Polyetherimides Melt polymerization method for making polyetherimides Coating solution of polyetherimide-forming monomers Solvent free or sinterable polyetheramide acid reaction product InventorsApplicationNo. 06/170763 filed on 07/21/1980US Classes:528/26, Organic Si-free reactant is a carboxylic acid or derivative428/458, Next to polyester, polyamide or polyimide (e.g., alkyd, glue, or nylon, etc.)428/473.5, Of polyimide528/125, From ketone-containing phenolic reactant or with ketone-containing reactant528/126, Polymerizing in the presence of a specified material other than reactant528/128, With nonphenolic or nonketone reactant528/185, Phenolic reactant contains at least two aryl rings and two diverse phenolic to oxygen bonds528/208, Nitrogen-containing reactant528/27, Organic Si-free reactant contains a heterocyclic ring528/28Organic Si-free reactant is a nitrogen-containing compoundExaminersPrimary: Schain, Howard E.Attorney, Agent or FirmInternational ClassesC08G 73/10 (20060101)B05D 7/20 (20060101) C08G 73/00 (20060101) H01B 3/30 (20060101) AbstractFinely divided polyetherimide is provided which can be used in a variety of applications. These oligomers, in the form of fine powders, are particularly useful for coating wire by a power coating technique.Other References
Field of SearchFrom ketone-containing phenolic reactant or with ketone-containing reactantPolymerizing in the presence of a specified material other than reactant With nonphenolic or nonketone reactant Phenolic reactant contains at least two aryl rings and two diverse phenolic to oxygen bonds Nitrogen-containing reactant Organic Si-free reactant is a carboxylic acid or derivative Organic Si-free reactant contains a heterocyclic ring Organic Si-free reactant is a nitrogen-containing compound | |
