Register information Patent

DE file number : 11 2018 002 691.4 (Status: pending/in force, Query started: August 4, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INIDCriterionFieldContent
Type of IP rightSARTPatent
StatusSTPending/in force
21DE file number DAKZ11 2018 002 691.4
86WO file numberWAKZPCT/CN2018/087587
87WO publication numberWPN2018214830
54Designation/titleTIVERFAHREN ZUM HERSTELLEN VON HOCHSCHMELZENDEM METALLPULVER DURCH MEHRSTUFIGE TIEFENREDUKTION
51IPC main classICM
(ICMV)		 C22B 34/00 (2006.01)
51IPC secondary class(es)ICS
(ICSV)		 B22F 9/20 (2006.01), C22B 5/04 (2006.01), C22B 5/18 (2006.01), C22B 34/14 (2006.01), C22B 34/20 (2006.01), C22B 34/24 (2006.01), C22B 34/34 (2006.01), C22B 34/36 (2006.01), C22C 1/04 (2023.01)
22DE application dateDATMay 21, 2018
85PCT national phase entry patentPATNATNov 25, 2019
86WO application dateWATMay 21, 2018
43Date of first publicationOTNov 29, 2018
Date of publication of grantPETFeb 1, 2024
71/73Applicant/ownerINHNortheastern University, Shenyang, Liaoning, CN
72InventorINZhang, Tingan, Shenyang, Liaoning, CN; Dou, Zhihe, Shenyang, Liaoning, CN; Liu, Yan, Shenyang, Liaoning, CN; Zhang, Zimu, Shenyang, Liaoning, CN; Lv, Guozhi, Shenyang, Liaoning, CN; Zhao, Qiuyue, Shenyang, Liaoning, CN; Niu, Liping, Shenyang, Liaoning, CN; Fu, Daxue, Shenyang, Liaoning, CN; Zhang, Weiguang, Shenyang, Liaoning, CN
74RepresentativeVTRHentrich Patent- & Rechtsanwaltspartnerschaft mbB, 89073 Ulm, DE
10Published DE documentsDEPNOriginal document: DE112018002691B4
Searchable text: DE112018002691B4
Original document: DE112018002691T5
Searchable text: DE112018002691T5
Address for service Hentrich Patent- & Rechtsanwaltspartnerschaft mbB, 89073 Ulm, DE
33
31
32
Foreign priorityPRC
PRNA
PRDA
CN
201710365992.1
May 23, 2017
Due dateFT
FG		May 31, 2026
Annual fee for the 9th year Patent fees
Patent division in charge 24
87WO language of publicationWLANGSF - Sonstige Fremdsprache
57AbstractABA method for preparing a high melting point metal powder via multi-stage deep reduction, said method comprising: mixing a dried high melting point metal oxide powder with a magnesium powder, and performing a self-propagating reaction to obtain a high melting point metal Me, specifically one or more of W, Mo, Ta, Nb, V, Zr, Hf and Re; placing the intermediate product in a sealed reaction vessel, and using hydrochloric acid as a leaching solution to perform leaching to obtain a low valent oxide Me
81Designated WO countriesWDSAE, 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
Published EP/WO documentsEPWOPNOriginal document: WO2018214830A1
Searchable text: WO2018214830A1
56CitationsCT[X]    EP000001802412B1 (EP 1 802 412 B1)
DE102004043343A1 (DE 10 2004 043 343 A1)
56NPL citationsCTNPZL200510047308
43Date of first publicationEVTNov 29, 2018
Number of official communications (office actions) 2
Number of responses 2
Date of the first transfer into DPMAregisterEREGTFeb 13, 2020
Date of the (most recent) update in DPMAregisterREGTJun 11, 2025
(Show all update days)(Hide all update days)
  • Jun 11, 2025
    • Due date: changed
  • Jun 10, 2025
    • St.36: changed (technical change)
  • Jan 9, 2025
    • Procedures: Examination procedure, Grant of patent has become final, 05.11.2024: changed
  • Dec 4, 2024
    • Procedures: Examination procedure, Grant of patent has become final, 05.11.2024: new
  • Aug 16, 2024
    • St.36: changed (technical change)
  • Feb 13, 2020
    • Date of the first transfer into DPMAregister
Procedural data
No.Kind of procedureLegal statusDate of legal/procedural statusPublication dateAlle Details anzeigen
1 Pre-registration procedure The application is under preliminary examination May 21, 2018  Details anzeigen
2 Procedure relating to PCT application WO first publication with search report Nov 29, 2018  Details anzeigen
3 Examination procedure Request for examination effectively filed Nov 15, 2019  Details anzeigen
4 Pre-registration procedure Pre-registration procedure has been concluded Jan 3, 2020  Details anzeigen
5 Pre-registration procedure Closing PCT nationale phase entry Jan 3, 2020  Details anzeigen
6 Publications Publication of translation of PCT application Feb 13, 2020 Feb 13, 2020 Details anzeigen
7 Examination procedure Official communication on examination Jun 23, 2020  Details anzeigen
8 Examination procedure Reply to official communication Oct 26, 2020  Details anzeigen
9 Examination procedure Official communication on examination May 30, 2023  Details anzeigen
10 Examination procedure Reply to official communication Oct 5, 2023  Details anzeigen
11 Examination procedure Decision to grant patent by Examining Section/Patent Division Oct 23, 2023  Details anzeigen
12 Publications Patent specification Feb 1, 2024 Feb 1, 2024 Details anzeigen
13 Examination procedure Grant of patent has become final Nov 5, 2024 Jan 9, 2025 Details anzeigen
View procedures Pre-registration procedure (No.: 1)
INIDCriterionFieldContent Close details
Type of procedureVARTPre-registration procedure
Legal/procedural statusVSTThe application is under preliminary examination
Date of legal/procedural statusVSTTMay 21, 2018
View procedures Procedure relating to PCT application (No.: 2)
INIDCriterionFieldContent Close details
Type of procedureVARTProcedure relating to PCT application
Legal/procedural statusVSTWO first publication with search report
Date of legal/procedural statusVSTTNov 29, 2018
View procedures Examination procedure (No.: 3)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTRequest for examination effectively filed
Date of legal/procedural statusVSTTNov 15, 2019
Third party request No
Date of receiptAEGTNov 15, 2019
View procedures Pre-registration procedure (No.: 4)
INIDCriterionFieldContent Close details
Type of procedureVARTPre-registration procedure
Legal/procedural statusVSTPre-registration procedure has been concluded
Date of legal/procedural statusVSTTJan 3, 2020
View procedures Pre-registration procedure (No.: 5)
INIDCriterionFieldContent Close details
Type of procedureVARTPre-registration procedure
Legal/procedural statusVSTClosing PCT nationale phase entry
Date of legal/procedural statusVSTTJan 3, 2020
View procedures Publications (No.: 6)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPublication of translation of PCT application
Date of legal/procedural statusVSTTFeb 13, 2020
Issue numberHN7
YearPJ2020
Publication dateVTFeb 13, 2020
Type of publicationPARTDocuments
PartHTPart 6
10Published DE documentsDEPNOriginal document: DE112018002691T5
Searchable text: DE112018002691T5
View procedures Examination procedure (No.: 7)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTOfficial communication on examination
Date of legal/procedural statusVSTTJun 23, 2020
View procedures Examination procedure (No.: 8)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTReply to official communication
Date of legal/procedural statusVSTTOct 26, 2020
Date of update of the procedureREGTOct 27, 2020
View procedures Examination procedure (No.: 9)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTOfficial communication on examination
Date of legal/procedural statusVSTTMay 30, 2023
Date of update of the procedureREGTMay 31, 2023
View procedures Examination procedure (No.: 10)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTReply to official communication
Date of legal/procedural statusVSTTOct 5, 2023
Date of update of the procedureREGTOct 12, 2023
View procedures Examination procedure (No.: 11)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTDecision to grant patent by Examining Section/Patent Division
Date of legal/procedural statusVSTTOct 23, 2023
Date of update of the procedureREGTOct 24, 2023
View procedures Publications (No.: 12)
INIDCriterionFieldContent Close details
Type of procedureVARTPublications
Legal/procedural statusVSTPatent specification
Date of legal/procedural statusVSTTFeb 1, 2024
Issue numberHN5
YearPJ2024
Publication dateVTFeb 1, 2024
Type of publicationPARTDocuments
PartHTPart 3
10Published DE documentsDEPNOriginal document: DE112018002691B4
Searchable text: DE112018002691B4
Date of update of the procedureREGTFeb 1, 2024
View procedures Examination procedure (No.: 13)
INIDCriterionFieldContent Close details
Type of procedureVARTExamination procedure
Legal/procedural statusVSTGrant of patent has become final
Date of legal/procedural statusVSTTNov 5, 2024
Issue numberHN2
YearPJ2025
Publication dateVTJan 9, 2025
Type of publicationPARTBibliographic data
PartHTPart 3
Date of update of the procedureREGTJan 9, 2025