41
Waitkus Phillip A: Aminotriazine-aldehyde resins and process for preparation. Plastics Engineering Company, Monacelli Walter J, June 3, 1975: US3887637 (7 worldwide citation)

A polyamino triazine, such as melamine or benzoguanamine, etc., is reacted with an aldehyde such as formaldehyde, and a vinyl compound containing two active hydrogens capable of reaction with an aldehyde or alkylol group in such a manner as not to react with or destroy the vinyl group. Typical vinyl ...


42
Ralph Theodore Brotz: Apparatus for camera mount on tripod platform. Plastics Engineering Co, Robert T Johnson, August 27, 2002: US06439518 (7 worldwide citation)

This present invention discloses apparatus and a method for mounting a camera on a tripod platform for taking pictures and this mounting apparatus includes a cradle cup mounted on a tripod platform and an O ring mounted in a groove on the inside diameter of the cradle cup, and a pear shaped or oblat ...


43
Gaetano F D Alelio deceased, Phillip A Waitkus: Vinylacetylene-terminated polyimide derivatives. Plastics Engineering Company, Walter J Monacelli, July 9, 1985: US04528373 (6 worldwide citation)

Novel, unsaturated vinylacetylene-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 ...


44
Gaetano F D Alelio deceased, Phillip A Waitkus: Polymerization products of diimides having terminal diacetylene groups. Plastics Engineering Company, Walter J Monacelli, May 25, 1982: US04331794 (6 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 ...


45
Ralph T Brotz, Paschal A Sciarra Jr, Phillip A Waitkus: Preparation of friction elements and compositions therefor. Plastics Engineering Company, Quarles & Brady, November 1, 1994: US05360587 (5 worldwide citation)

A method for preparing a friction element from rod-like particles of friction ingredients includes preheating the particles, which have a diameter of about 3/32" to about 1/4", to a temperature between 150.degree. F. and 375.degree. F., introducing a predetermined amount of the preheated rod-like pa ...


46
Louis L Korb, Keith E Lauritsen: Process for molding thin thermoset resin plates in an inverted cavity flash land mold shuttle. Plastics Engineering Company, Walter J Monacelli, June 30, 1987: US04676944 (5 worldwide citation)

The mold described herein comprises an upper and a lower portion in which the upper portion comprises an inverted cavity flash land mold section and the lower portion comprises a readily removable steel plate. By having the cavity flash land mold portion inverted and in the upper portion of the mold ...


47
Phillip A Waitkus, Gaetano F D Alelio: Polyimide derivatives having terminal unsaturated amides. Plastics Engineering Company, Walter J Monacelli, February 23, 1982: US04316843 (5 worldwide citation)

Novel compositions comprising unsaturated polyimide-polyamides 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 groups having t ...


48
Gaetano F D Alelio deceased, Phillip A Waitkus: Vinylacetylene-terminated polymide derivatives. Plastics Engineering Company, Walter J Monacelli, March 6, 1984: US04435323 (5 worldwide citation)

Novel, unsaturated vinylacetylene-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 ...


49
Gaetano F D Alelio deceased, Phillip A Waitkus: Di-Acetylene-terminated polyimide derivatives. Plastics Engineering Company, Walter J Monacelli, September 20, 1983: US04405519 (5 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 ...


50
Gaetano F D Alelio deceased, Phillip A Waitkus: Addition products of di-acetylene-terminated polymide derivatives and dienophiles having terminal maleimide grops. Plastics Engineering Company, Walter J Monacelli, September 20, 1983: US04405520 (5 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 ...



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