Patent classifications
C08G67/00
Cyanate resin blends and radomes including them
Certain embodiments are directed to cyanate resin blends comprising, for example, a mixture of a cyanate monomer and a cyanate oligomer. The resin blends are effective to provide a dielectric constant of less than 2.7, a glass transition temperature of at least 150 C. and a moisture absorption of less than 1.5%. Radomes using the resin are also described.
POLYMER COMPOSITIONS
Compositions including one or more polymers are provided. Exemplary polymers include polymeric carbon monoxides. The compositions can be prepared by subjecting a source material to x-rays, optionally at increased pressures. The compositions can be used in a variety of applications, such as fuels, optics, and electronics.
POLYMER COMPOSITIONS
Compositions including one or more polymers are provided. Exemplary polymers include polymeric carbon monoxides. The compositions can be prepared by subjecting a source material to x-rays, optionally at increased pressures. The compositions can be used in a variety of applications, such as fuels, optics, and electronics.
DIBROMO-DIIODO-DIPOLYCYCLIC COMPOUND AND ELECTRON ACCEPTOR MOLECULES DERIVED THEREFROM
The present specification provides a di-polycyclic compound, and a polymer chain consisting of alternating electron donor compounds and electron acceptor compounds, which include the di-polycyclic compound.
DIBROMO-DIIODO-DIPOLYCYCLIC COMPOUND AND ELECTRON ACCEPTOR MOLECULES DERIVED THEREFROM
The present specification provides a di-polycyclic compound, and a polymer chain consisting of alternating electron donor compounds and electron acceptor compounds, which include the di-polycyclic compound.
Elastomeric and degradable polyanhydride by step-growth thiol-ene photopolymerization
The present the invention is directed to a process and the new materials that are biodegradable for medical use, particularly for drug delivery, therapeutic devices and gene therapy/delivery. The invention illustrates a method of producing a degradable material using polymers made from thiol compounds and alkene/alkyene compounds, wherein one of these compounds contains one or more anhydride groups; and using a thiol-ene step-growth polymerization process, initiated by a free radical initiator. The polymerization process is initiated through photochemical, redox or thermal means, or any combination thereof.
Polymeric biomaterials derived from phenolic monomers and their medical uses
The present invention provides new classes of phenol compounds, including those derived from tyrosol and analogues, useful as monomers for preparation of biocompatible polymers, and biocompatible polymers prepared from these monomeric phenol compounds, including novel biodegradable and/or bioresorbable polymers. These biocompatible polymers or polymer compositions with enhanced bioresorbabilty and processability are useful in a variety of medical applications, such as in medical devices and controlled-release therapeutic formulations. The invention also provides methods for preparing these monomeric phenol compounds and biocompatible polymers.
Polymeric biomaterials derived from phenolic monomers and their medical uses
The present invention provides new classes of phenol compounds, including those derived from tyrosol and analogues, useful as monomers for preparation of biocompatible polymers, and biocompatible polymers prepared from these monomeric phenol compounds, including novel biodegradable and/or bioresorbable polymers. These biocompatible polymers or polymer compositions with enhanced bioresorbabilty and processability are useful in a variety of medical applications, such as in medical devices and controlled-release therapeutic formulations. The invention also provides methods for preparing these monomeric phenol compounds and biocompatible polymers.
Dibromo-diiodo-dipolycyclic compound and electron acceptor molecules derived therefrom
The present specification provides a di-polycyclic compound, and a polymer chain consisting of alternating electron donor compounds and electron acceptor compounds, which include the di-polycyclic compound.
Dibromo-diiodo-dipolycyclic compound and electron acceptor molecules derived therefrom
The present specification provides a di-polycyclic compound, and a polymer chain consisting of alternating electron donor compounds and electron acceptor compounds, which include the di-polycyclic compound.