1
Walter J Monacelli: Polyimides having bis-maleimide terminal groups. Plastics Engineering Company, Walter J Monacelli, November 29, 1983: US04418181 (46 worldwide citation)

The compositions described herein comprise polyimides having bis-maleimide terminal groups and having the formula: ##STR1## wherein Q is a trivalent aromatic radical, Ar is a divalent aromatic radical, Ar" is a tetravalent aromatic radical and n has a value of 0-20. Derivatives may be made of these ...


2
Gaetano F D Alelio: Polyimide derivatives. Plastics Engineering Company, Walter J Monacelli, September 18, 1979: US04168366 (35 worldwide citation)

Novel, unsaturated polyimide-polyesters and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides, from which they are prepared by esterification to provide unsaturated ester groups of a terminal --CH.dbd.CH.sub.2 group ...


3
Walter J Monacelli: Bis-(maleamic acid) derivatives of triamines. Plastics Engineering Company, Walter J Monacelli, March 20, 1984: US04438280 (33 worldwide citation)

The compositions described herein comprise polyimides having bis-maleimide terminal groups and having the formula: ##STR1## wherein Q is a trivalent aromatic radical, Ar is a divalent aromatic radical, Ar" is a tetravalent aromatic radical and n has a value of 0-20. Derivatives may be made of these ...


4
Gaetano F D Alelio: Polymerization products of acetylene-terminated polyimide derivatives. Plastics Engineering Company, Walter J Monacelli, August 28, 1979: US04166168 (27 worldwide citation)

Novel, unsaturated polyimide-polyester polymerization products and processes for their preparation are disclosed herein. The polyimide-esters from which the polymerization products are derived are derivatives of anhydride-terminated aromatic polyimides, from which they are prepared by esterification ...


5
Louis L Korb, Phillip A Waitkus: Vitreous carbon and process for preparation thereof. Plastics Engineering Company, Walter J Monacelli, October 29, 1985: US04550015 (23 worldwide citation)

The vitreous carbon disclosed herein is prepared from intimate uniform mixtures of powder or otherwise blendable form of 20-80% by weight of a solid phenolic-aldehyde Novolak resin and of 20-80% by weight of a solid phenolic-aldehyde resol resin, the percentages being based on the combined weight of ...


6
William H Merritt: Luminaire shield. Plastics Engineering & Manufacturing Co, Robert W Beach, Ward Brown, July 3, 1979: US04160286 (21 worldwide citation)

A transparent hemispherical shield formed of polycarbonate resin protects a light-diffusing lens mounted in an aperture in the door of a conventional streetlight. The shield has an inwardly projecting flange disposed in a diametral plane and defining an aperture of approximately the same size and sh ...


7
Phillip A Waitkus, Gaetano F D Alelio: Polyimide derivatives having unsaturated terminal amic acid groups. Plastics Engineering Company, Walter J Monacelli, February 23, 1982: US04316844 (17 worldwide citation)

Novel compositions comprising unsaturated polyhemi-amic acid compositions and processes for their preparation are disclosed herein. These new compositions are primarily derivatives of anhydride-terminated aromatic polyimides from which they are prepared by amidation to provide unsaturated amide grou ...


8
Chung J Lee: Polyimide-epoxy thermoset resins. Plastics Engineering Company, Walter J Monacelli, October 18, 1983: US04410664 (17 worldwide citation)

The resins described herein are polyimide-epoxy thermoset resins prepared by reacting a polyepoxide with a solution of an admixture of a polyimide dianhydride with another polyimide component, either a polyimide dianhydride or a polyimide diamine, at least one of which polyimide components is insolu ...


9
Chung J Lee: Polyethyleneterephthalate ternary blends. Plastics Engineering Company, Walter J Monacelli, October 5, 1982: US04352907 (17 worldwide citation)

The compositions disclosed herein comprise blends of polyethyleneterephthalate (PET) having improved impact strength and heat resistance without any sacrifice of other properties such as flexural strength, humidity resistance, low mold shrinkage, etc. These compositions comprise ternary blends of 30 ...


10
Yeon F Liang: Thermoplastic polyester blends. Plastics Engineering Company, Quarles & Brady, August 28, 1990: US04952629 (16 worldwide citation)

A polymer blend of superior impact resistance comprises an intimate blend of a polyalkylene terephthalate resin, a polyesteramide and an impact resistance booster which is an elastomeric block copolymer. The preferred impact resistance booster is a block copolymer which has been modified with maleic ...



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