1
Louis L Korb, Phillip A Waitkus: Vitreous carbon and process for preparation thereof. Plastics Engineering Company, Walter J Monacelli, October 29, 1985: US04550015 (24 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 ...


2
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 ...


3
Phillip A Waitkus, Bohumir Lepeska: Oxirane polyimide copolymers. Plastics Engineering Company, Walter J Monacelli, July 7, 1981: US04277583 (14 worldwide citation)

The copolymers disclosed herein comprise the reaction products of polyoxirane or polyepoxide compounds with amine-terminated aromatic polyimides. The reaction of the oxirane group with the amine group produces hydroxylamine groups which connect the polyimide portion with the polyepoxide precursor po ...


4
Gaetano F D Alelio deceased, Phillip A Waitkus: Vinylacetylene-terminated polyimide derivatives. Plastics Engineering Company, Walter J Monacelli, May 28, 1985: US04520198 (14 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 ...


5
Louis L Korb, Phillip A Waitkus: Vitreous carbon. Plastics Engineering Company, Walter J Monacelli, May 26, 1987: US04668496 (13 worldwide citation)

The vitreous carbon disclosed herein is prepared from the molded product of a moldable composition produced from co-reacted mixtrues of powder or otherwise blendable form of 20-80% by weight of a phenolic-furfuraldehyde Novolac resin and of 20-80% by weight of a phenolic-aldehyde resol resin dispers ...


6
Phillip A Waitkus: Thermosetting compositions and molding method. Plastics Engineering Company, Quarles & Brady, July 23, 1991: US05034497 (12 worldwide citation)

A thermosetting resin containing composition can be heated to reduce its viscosity and used as a liquid in a liquid injection molding method. It has a phenolic resin content of about 80% to about 90% solids by weight, and contains about 5% to about 40% of a polyglycol. The composition may also conta ...


7
Phillip A Waitkus, Louis L Korb: Process for producing a molded product and the molded product produced thereby. Plastics Engineering Company, Walter J Monacelli, December 2, 1986: US04626569 (10 worldwide citation)

The process and product derived therefrom use the moldable composition derived from intimate 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 a phenolic-aldehyde resol resin dispersed in water, either ...


8
Louis L Korb, Phillip A Waitkus: Thermosettable compositions convertible to vitreous carbon and process for preparation thereof. Plastics Engineering Company, Walter J Monacelli, July 2, 1985: US04526924 (9 worldwide citation)

The compositions disclosed herein are suitable for thermosetting and conversion to vitreous carbon. They comprise 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 ...


9
Gaetano F D Alelio, Phillip A Waitkus: Polyimide derivatives having terminal acetylenic groups. Plastics Engineering Company, Walter J Monacelli, February 23, 1982: US04316845 (9 worldwide citation)

Novel compositions comprising acetylenic 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 acetylenic amide groups having ter ...


10
Gaetano F D Alelio deceased, Phillip A Waitkus: Addition products of di-acetylene-terminated polyimide with a diaryl conjugated butadiyne. Plastics Engineering Company, Walter J Monacelli, May 29, 1984: US04451402 (9 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 ...



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