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Dive into the research topics where Harvey D. Ledbetter is active.

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Featured researches published by Harvey D. Ledbetter.


Archive | 1991

Rapid advancement of molecular weight in polybenzazole oligomer dopes

Thomas D. Gregory; Carl W. Hurtig; Harvey D. Ledbetter; Kenneth J. Quackenbush; Steven Rosenberg


Archive | 1955

Purification of polymerized olefins prepared with catalytic metal compounds

Frank A. Bartolomeo; Harvey D. Ledbetter; James M. Mcduff


Archive | 1974

Composite materials comprising resin matrix and carbon fibers

Joseph B. Byrne; Harvey D. Ledbetter


MRS Proceedings | 1988

An Integrated Laboratory Process for Preparing Rigid Rod Fibers from the Monomers

Harvey D. Ledbetter; Steven Rosenberg; Carl W. Hurtig


Archive | 1969

PREPARATION OF PROPYLENE HAVING INTERMEDIATE CRYSTALLINITY WITH A CATALYST COMPRISING (1) TICL4-METAL HYDRIDE-ALKYL ALUMINUM HALIDE AND (2) ALUMINUM TRIALKYL

Harvey D. Ledbetter


Archive | 1990

Staged polymerization of polybenzazole polymers

Thomas D. Gregory; Carl W. Hurtig; Harvey D. Ledbetter; Kenneth J. Quackenbush; Steven Rosenberg; Ying Hung So


Archive | 1991

Semi-continuous process for synthesis of polybenzazole polymers

Thomas D. Gregory; Carl W. Hurtig; Harvey D. Ledbetter; Kenneth J. Quackenbush; Steven Rosenberg


Archive | 1991

Compressive strength improvement of fibers by means of radial restraint

Harvey D. Ledbetter


Archive | 1963

Method for removing low-molecular weight polymer fractions

Harvey D. Ledbetter; James C Mackey; Kernal G Shaw


Archive | 1958

Process for the polymerization of olefin oxides

Arthur E. Gurgiolo; Harvey D. Ledbetter

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