WO2008103480-A2  CARLOS EDUARDO VAZ ROSSELL, PAULO E. MANTELATTO, JOSE A. M. AGNELLI, JEFTER NASCIMENTO: "Biorefineries - Industrial Process and Products" February 2006 (2006-02), WILEY-VCH VERLAG GMBH & CO. , WEINHEIM , XP002488834 page 209 - page 226 figures 10.3,10.4,10.5 table 10.2;  COCKS ET AL: "High-performance liquid chromatography comparison of supercritical-fluid extraction and solvent extraction of microbial fermentation products" JOURNAL OF CHROMATOGRAPHY, ELSEVIER SCIENCE PUBLISHERS B.V. AMSTERDAM, NL, vol. 697, no. 1-2, 21 April 1995 (1995-04-21), pages 115-122, XP005607215 ISSN: 0021-9673;  N. GRASSIE & E. J. MURRAY: "The thermal degradation of PHB: Part 1 - Identification and quantitative analysis of products" POLYMER DEGRADATION AND STABILITY, vol. 6, 1984, pages 47-61, XP002488832 Great Britain;  N. GRASSIE & E. J. MURRAY: "The thermal degradation of PHB: Part 3 - The reaction mechanism" POLYMER DEGRADATION AND STABILITY, vol. 6, 1984, pages 127-134, XP002488833 Great Britain;  OSANAI ET AL: "Enzymatic transformation of aliphatic polyesters into cyclic oligomers using enzyme packed column under continuous flow of supercritical carbon dioxide with toluene" SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, ELSEVIER, OXFORD, GB, vol. 7, no. 2, 1 March 2006 (2006-03-01), pages 202-208, XP005364032 ISSN: 1468-6996WO2008103480-A3  N. GRASSIE & E. J. MURRAY: "The thermal degradation of PHB: Part 1 - Identification and quantitative analysis of products" POLYMER DEGRADATION AND STABILITY, vol. 6, 1984, pages 47-61, XP002488832 Great Britain;  COCKS ET AL: "High-performance liquid chromatography comparison of supercritical-fluid extraction and solvent extraction of microbial fermentation products" JOURNAL OF CHROMATOGRAPHY, ELSEVIER SCIENCE PUBLISHERS B.V. AMSTERDAM, NL, vol. 697, no. 1-2, 21 April 1995 (1995-04-21), pages 115-122, XP005607215 ISSN: 0021-9673;  N. GRASSIE & E. J. MURRAY: "The thermal degradation of PHB: Part 3 - The reaction mechanism" POLYMER DEGRADATION AND STABILITY, vol. 6, 1984, pages 127-134, XP002488833 Great Britain;  OSANAI ET AL: "Enzymatic transformation of aliphatic polyesters into cyclic oligomers using enzyme packed column under continuous flow of supercritical carbon dioxide with toluene" SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, ELSEVIER, OXFORD, GB, vol. 7, no. 2, 1 March 2006 (2006-03-01), pages 202-208, XP005364032 ISSN: 1468-6996;  CARLOS EDUARDO VAZ ROSSELL, PAULO E. MANTELATTO, JOSE A. M. AGNELLI, JEFTER NASCIMENTO: "Biorefineries - Industrial Process and Products" February 2006 (2006-02), WILEY-VCH VERLAG GMBH & CO. , WEINHEIM , XP002488834 page 209 - page 226 figures 10.3,10.4,10.5 table 10.2