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(12) PATENT APPLICATION PUBLICATION (21) Application No.1225/CHE/2012 A (19) INDIA (22) Date of filing of Application :29/03/2012 (43) Publication Date : 21/06/2013 (54) Title of the invention : HYDRAULIC ACTUATOR WITH AUTOMATIC PURGING AT THE END OF ITS STROKE (51) International classification :F15B (31) Priority Document No :11 52770 (32) Priority Date :31/03/2011 (33) Name of priority country :France (86) International Application No :NA Filing Date :NA (87) International Publication No : NA (61) Patent of Addition to Application Number :NA Filing Date :NA (62) Divisional to Application Number :NA Filing Date :NA (71)Name of Applicant : 1)MESSIER-BUGATTI-DOWTY Address of Applicant :INOVEL PARC SUD, 78140 VELIZY VILLACOUBLAY France (72)Name of Inventor : 1)JUBERT, XAVIER 2)DUFAY, LUDOVIC 3)ERNIS, SEBASTIEN (57) Abstract : The invention relates to a hydraulic actuator comprising a hollow body (1, 3) defining a cylindrical cavity and a rod (5) which is mounted so as to be able to slide within the body along a sliding axis between two end positions and which is integral with a piston sliding in a sealed manner within the cylindrical cavity of the body in order to define two chambers (CI, C2) therein. According to the invention, the rod defines an interior passage connecting the two chambers, this passage being equipped with a valve (2 0) comprising a shut-off member (21) which is returned towards a seat (22) and which engages with the latter to close the passage, the rod receiving a push member (15, 2 6) which can move relative to the rod between a position in which it is moved apart from the shut-off member (21) of the valve and a position in which it forces the shut-off member to open, the push member being constrained in the latter position when the rod reaches the end of its stroke in one of its end positions as a result of the push member engaging with a portion (3) of the hollow body. No. of Pages : 11 No. of Claims : 2 The Patent Office Journal 21/06/2013 13776
(12) PATENT APPLICATION PUBLICATION (21) Application No.1303/CHE/2011 A (19) INDIA (22) Date of filing of Application :15/04/2011 (43) Publication Date : 21/06/2013 (54) Title of the invention : IMPROVED PROCESS FOR THE PREPARATION OF TOLVAPTAN (51) International classification :C07D (31) Priority Document No :NA (32) Priority Date :NA (33) Name of priority country :NA (86) International Application No :NA Filing Date :NA (87) International Publication No : NA (61) Patent of Addition to Application Number :NA Filing Date :NA (62) Divisional to Application Number :NA Filing Date :NA (71)Name of Applicant : 1)MATRIX LABORATORIES LTD Address of Applicant :1-1-151/1, IV FLOOR, SAIRAM TOWERS, ALEXANDER ROAD, SECUNDERABAD - 500 003 Andhra Pradesh India (72)Name of Inventor : 1)SETHI, MADHURESH KUMAR 2)RAWAT, VIJENDRASINGH 3)THIRUNAVUKARASU, JAYAPRAKASH 4)YERRAMALA, RAJA KRISHNA 5)ANISH KUMAR (57) Abstract : The present invention relates to an improved process for the preparation of Tolvaptan. The present invention further relates to a process for the preparation of Tolvaptan by using Keto protected intermediate. No. of Pages : 40 No. of Claims : 10 The Patent Office Journal 21/06/2013 13777
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Part-I - Controller General of Patents Designs and Trademarks

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