Patent application 13884156 (US), filed 2013-09-16
Publication number: US20140001098A1
Title: Method for Enclosed Recycling of Oil-Water-Sludge in Oil Shale Dry Distillation System
CPC codes: C10B  53/06
C02F  11/12
C10G   1/00
C10G   1/002
C10G   1/02
C10G   5/04
C10G  33/02
C10G  33/04
C10G2300/4081
C10K   1/02
C10K   1/04
Office action: rejection, dated 2015-10-16
Rejection reasons: indefiniteness_112
Final disposition: granted (2015-10-16)