000 00427nab a2200157 4500
005 20260520000919.0
008 260224s2008 xxu
245 0 0 _aUnderstanding process patents and their limitations
260 _a
_b
_cdic. 2008
270 _a01/02/2011 ; 01/02/2011
300 _a1 p. ; 26
581 _a12
773 0 _tChemical Engineering Progress
_g104
942 _cARTICULO
999 _c173129
_d173129