61
Gaetano F D Alelio deceased, Phillip A Waitkus: Addition products of terminally unsaturated polyimide derivatives with a diaryl conjugated butadiyne. Plastics Engineering Company, Walter J Monacelli, September 13, 1983: US04404139 (3 worldwide citation)

Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal group ...


62
Chung J Lee: Process for preparing polyimides end-capped with anhydride or isocyanate groups. Plastics Engineering Company, Walter J Monacelli, December 20, 1983: US04421905 (3 worldwide citation)

The process described herein comprises the preparation of polyimides by the reaction of aromatic dianhydrides and aromatic diisocyanates in the presence of a metal acetylacetonate, such as Al, Co, Fe, Ni, Zr, etc. By using appropriate proportions, the polyimides may be end-capped with either anhydri ...


63
Yeon F Liang: Thermoplastic polyester blends of improved impact resistance. Plastics Engineering Company, Quarles & Brady, December 26, 1989: US04889898 (3 worldwide citation)

A polymer blend of superior impact resistance comprises an intimate blend of a polyester resin, a polycarbonate resin and an acid-modified polyolefin. The preferred acid-modified polyolefin is a polyethylene wax which has been modified with maleic acid anhydride.


64
Patrick A Tooman, Bruce Casey: Valve gate assembly. Plastics Engineering & Technical Services, Warn Partners P C, June 5, 2012: US08192191 (2 worldwide citation)

A valve gate assembly for regulating a flow of molten material into a mold. The valve gate assembly includes a movable valve that can be positioned between a fully closed position and a fully open position. The valve gate assembly further includes an actuating system operatively cooperating with the ...


65
Phillip A Waitkus, Louis L Korb: Process for preparing a vitreous carbon. Plastics Engineering Company, Walter J Monacelli, November 25, 1986: US04624811 (2 worldwide citation)

The process for producing a vitreous carbon involves the molded product of a moldable composition produced from co-reacted mixtures of powder or otherwise blendable form of 20-80% by weight of a phenolic-furfuraldehyde Novolac resin and of 20-80% by weight of phenolic-aldehyde resol resin dispersed ...


66
Gaetano F D Alelio deceased, Phillip A Waitkus: Addition products of a di-acetylene-terminated polyimide derivatives and a dienophile having a non-conjugated acetylenic group. Plastics Engineering Company, Walter J Monacelli, September 6, 1983: US04402879 (2 worldwide citation)

Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal group ...


67
Gaetano F D Alelio deceased, Phillip A Waitkus: Addition products of di-acetylene-terminated polyimide derivatives with a polyimide having terminal ethylenic groups. Plastics Engineering Company, Walter J Monacelli, September 20, 1983: US04405521 (2 worldwide citation)

Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. There new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal group ...


68
Gaetano F D Alelio deceased, Phillip A Waitkus: Monomeric diimides having terminal conjugated diacetylene groups. Plastics Engineering Company, Walter J Monacelli, May 25, 1982: US04331601 (2 worldwide citation)

Novel, unsaturated diacetylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal group ...


69
Gaetano F D Alelio deceased, Phillip A Waitkus: Vinylacetylene-terminated polyimide derivatives. Plastics Engineering Company, Walter J Monacelli, May 14, 1985: US04517363 (2 worldwide citation)

Novel, unsaturated vinylacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal gr ...


70
Improvements in or relating to illuminated signs. Harman Plastics & Engineering, Harry Ele Harman, June 9, 1954: GB710176-A (2 worldwide citation)

710,176. Signs. HARMAN PLASTICS & ENGINEERING. Ltd., and HARMAN, H. E. May 2, 1951 [July 27, 1950], No.. 18777/50. Class 3(2) An edge illuminated sign comprises a lamp box 3 and one or more sheets 5 of transparent material such as glass or synthetic resin, opposite edges of which are polished, and h ...



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