专利检索 ap:("Hindustan Petroleum Corporation Limited") AND inv:"DONI, Eswararao" 第 1 页

1.

发明公开
SULPHUR ADDITIVE AND SULPHUR MODIFIED BITUMEN 审中-公开

公开(公告)号：EP4133014A1

公开(公告)日：2023-02-15

申请号：EP21705280.2

申请日：2021-01-12

申请人： Hindustan Petroleum Corporation Limited

发明人： DONI, Eswararao , CHINTHALAPATI, Siva Kesava Raju , KANALA, Raghava Krishna , KRISHNAMURTHY, Narayanan , BALASUBRAMANIAM, Ravi

IPC分类号： C08L95/00 , C08K3/04 , C08K3/06 , C08K3/34 , C08K5/00 , C08K5/10 , C08L91/00 , E01C7/18 , B01J21/00 , B01J23/90 , C22B34/00

2.

发明公开
DESCALING FORMULATION AND METHOD FOR DISSOLVING AND CLEANING SCALE DEPOSITION ON A SURFACE OF SYSTEM 审中-实审

公开(公告)号：EP4347510A1

公开(公告)日：2024-04-10

申请号：EP23705685.8

申请日：2023-01-18

申请人： Hindustan Petroleum Corporation Limited

发明人： DONI, Eswararao , CHINTHALAPATI, Siva Kesava Raju , DASARY, Hareesha , SINGH, Eklovepreet , BALASUBRAMANIAM, Ravi

IPC分类号： C02F5/08 , C02F5/10 , C02F5/12 , C02F1/66

3.

发明公开
MODIFIED BITUMEN COMPOSITION AND PROCESS OF PREPARATION THEREOF 审中-公开

公开(公告)号：EP4196262A1

公开(公告)日：2023-06-21

申请号：EP21772846.8

申请日：2021-08-02

申请人： Hindustan Petroleum Corporation Limited

发明人： DONI, Eswararao , CHINTHALAPATI, Siva Kesava Raju , KANALA, Raghava Krishna , BALASUBRAMANIAM, Ravi

IPC分类号： B01J21/00 , B01J23/90 , C08K3/04 , C08K3/06 , C08K3/34 , C08K5/00 , C08K5/10 , C08L91/00 , C08L95/00 , C22B34/00 , E01C7/18

4.

发明公开
A NOVEL POLYMER, AN ANTISCALING FORMULATION, PREPARATION AND USE THEREOF FOR INHIBITING SCALE FORMATION 审中-实审

公开(公告)号：EP4347511A1

公开(公告)日：2024-04-10

申请号：EP23708572.5

申请日：2023-01-24

申请人： Hindustan Petroleum Corporation Limited

发明人： DONI, Eswararao , CHINTHALAPATI, Siva Kesava Raju , DASARY, Hareesha , SINGH, Eklovepreet , BALASUBRAMANIAM, Ravi

IPC分类号： C02F5/12 , C08F8/32 , C08F220/06