PROCESSES FOR THE PURIFICATION OF HIGHER DIAMONDOIDS AND COMPOSITIONS COMPRISING SUCH DIAMONDOIDS

WIPO Patent Application WO2002096804

A3

Disclosed are processes for the recovery and purification of higher diamondoids from a hydrocarbonaceous feedstock. Specifically disclosed is a multi-step recovery process for obtaining diamondoid compositions enhanced in tetramantane components and other higher diamondoid components. Also disclosed are compositions comprising at least about 10 weight percent of non-ionized tetramantane components and other higher diamondoid components and at least about 0.5 weight percent of non-ionized pentamantane components and other higher diamondoid components based on the total weight of diamondoid components present.

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DAHL JEREMY E (US)
CARLSON ROBERT M (US)

PCT/US2002/004549

December 18, 2003

January 17, 2002

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CHEVRON USA INC (US)
DAHL JEREMY E (US)
CARLSON ROBERT M (US)

C07C4/00; C07C7/04; C07C7/12; C07C7/135; C07C7/14; C07C7/148; C07C13/605; C07C13/64; C07C17/10; C07C17/16; C07C17/383; C07C17/395; C07C23/20; C07C39/17; C07C47/347; C07C49/423; C07C69/00; C07C205/05; C07C211/50; C08G61/00; C08G61/02; C08G83/00; C08L65/00; (IPC1-7): C07C13/64; C07C7/00

WO1995006019A1

1995-03-02

US5245104A	1993-09-14
US5394733A	1995-03-07
US5414189A	1995-05-09

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