Patent SG-11201903147Y-A (SG)
Title: Method of making acrylic acid from hydroxypropionic acid
Inventor: COLLIAS DIMITRIS
IPC: C07C59/08
Filed: 2017-11-03
Abstract: t10 10.00 Triple. Point : Crystalline Dihydrogren Monaphosphate or Ddlydrogen Dipttosphate Salt e.g. ISVH 2 P0, • X: 2 phosphate salt mohoo t or ,..xiecw s - 1+4H too - Crystalline Pcilyphosphate Sad .e.g. (01:9)„ 200 250 300 350 400 Temperature, [°C1 0.0 cc cc O cc O O (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 11 May 2018 (11.05.2018) WIPO I PCT olimion °nolo omm IIIIIIIIIIIIIIIono iflo oimIE (10) International Publication Number WO 2018/085618 Al (51) International Patent Classification: C07C 51/04 (2006.01) C07C 59/08 (2006.01) C07C 51/377 (2006.01) (21) International Application Number: PCT/US2017/059853 (22) International Filing Date: 03 November 2017 (03.11.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/342,428 03 November 2016 (03.11.2016) US (71) Applicant: THE PROCTER & GAMBLE COMPANY [US/US]; One Procter & Gamble Plaza, Cincinnati, Ohio 45202 (US). (72) Inventors: COLLIAS, Dimitris, Ioannis; One Proc- ter & Gamble Plaza, Cincinnati, Ohio 45202 (US). GODLEWSKI, Jane, Ellen; One Procter & Gamble Plaza, Cincinnati, Ohio 45202 (US). VELASQUEZ, Juan Este- ban; One Procter & Gamble Plaza, Cincinnati, Ohio 45202 (US). (74) Agent: KREBS, Jay A. et al.; c/o The Procter & Gamble Company, Global IP Services, One Procter & Gamble Plaza, C9, Cincinnati, Ohio 45202 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). (54) Title: METHOD OF MAKING ACRYLIC ACID FROM HYDROXYPROPIONIC ACID Figure 1 (57) : Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a stream containing hy- droxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof with either an active catalyst containing an amorphous and partially-dehydrated phosphate salt or a precursor catalyst containing a crystalline phosphate salt in a reactor with a low corrosion rate are provided. [Continued on next page] WO 2018/085618 Al MIDEDIM01101 OIDIREIE111111111111111111111111111111110111110111111111111 Published: — with international search report (Art. 21(3))