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| Number | Title | Issue Date |
| 5049323 | Method for thermostamping thermoplastic composites A method for thermostamping thermoplastic composites involves the steps of (a) convection heating of the composite to the glass transition temperature of the thermoplastic; (b) radio frequency heating of the composite from the glass transition temperature... | 09/17/1991 |
| 5019641 | Polyamide from 1,3 propylene diamine and isophthalic acid compound Polyamides obtained by low pressure melt processing involving reactions of diesters of dicarboxylic acids with 1,3-diaminopropane. The polyamides are useful as molding resins.... | 05/28/1991 |
| 5015726 | Polyamide from toluenediamine An amorphous polyamide having a high heat distortion temperature is produced by reacting toluenediamine with isophthalic acid, and optionally terephthalic acid, in the presence of either an aliphatic diacid, an aliphatic diamine or a mixture thereof. The ... | 05/14/1991 |
| 5011899 | Copoly(aromatic sulfone carbonate - aromatic alkylcarbonate) - polysiloxane block copolymer Polysulfonecarbonate-siloxane block copolymers provide ductile resins having high heat distortion temperatures and high glass transition temperatures. The polysulfonecarbonate-siloxane block copolymers are useful as molding compounds.... | 04/30/1991 |
| 4999384 | Foamed blends of nylon 6,I/T and polycarbonate Foamed thermoplastic blends of Nylon 6,I/T and polycarbonate resin are provided which exhibit good chemical resistance. The foamed blends are useful for making foamed articles such as chemically resistant foamed sheet.... | 03/12/1991 |
| 4992322 | Coextruded products with improved weatherability A coextruded moisture resistant polycarbonate article has a relative thin moisture resistant, polyphthalate-carbonate layer adhered to a relatively thick aromatic polycarbonate corelayer. The coextruded article has the high degree of transparency of aroma... | 02/12/1991 |
| 4983718 | Color minimization during melt preparation of polyamides with hypophosphorus acid A process for minimizing the formation of color during preparation of polyamides by interchange of diesters of dicarboxylic acids with diamines in the presence of hypophosphorous acid.... | 01/08/1991 |
| 4983719 | Amorphous polyamide having excellent oxygen barrier properties from para-xylylene diamine, isophthalic acid and adipic acid An amorphous polyamide resin is provided having the combined properties of a high glass transition temperature and excellent oxygen barrier properties. The polyamide is obtained from the reaction products of para-xylylene diamine, adipic acid and isophtha... | 01/08/1991 |
| 4942188 | Polymer mixture comprising polybutylene terephthalate, aromatic polycarbonate and polydialkysiloxane The invention relates to polymer mixtures which comprise a polybutylene terephthalate, an aromatic polycarbonate, and a dialkyl silicone fluid. Due to the presence of the dialkyl silicone fluid compound a good lacquer bonding is obtained.... | 07/17/1990 |
