Treating bituminous coals to obtain paraffine and oil containing paraffine therefrom.
Contributors: Great Britain. Commissioners of Patents.
Series: Patent / Great Britain. Commissioners of Patents -- no.13292; Patent (Great Britain. Commissioners of Patents) -- no.13292.
Publisher: published at the Queen's Printing Office...
Published: 1854
Place of publication: London
Language: eng
Subjects: Alkanes -- Patents.; Petroleum chemicals industry -- Patents.
Genres: Patents.
Notes: Letters patent, A.D. 1850, no.13,292.

At head of title: Specification of James Young.

Title from cover.