Description
Class C04B : LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS
Subclass 7/147: Hydraulic cements Cements containing slag Metallurgical slag
C04B 7/147
Sub-Class
Stats
- 20 US PATENTS IN FORCE
- 6 US APPLICATIONS PENDING
- 8 Total Patent Owners
- 78 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11919826 | Method for enhancing compressive strength of lead smelting water-quenched slag-based cementitious material by mechanical activation | May 19, 23 | Mar 05, 24 | XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY |
| 11746048 | Cement-SCM compositions and methods and systems for their manufacture | Jul 31, 20 | Sep 05, 23 | ROMAN CEMENT, LLC |
| 11725355 | Structural barrier and a method of installation thereof | Nov 07, 22 | Aug 15, 23 | MID-AMERICAN GUNITE, INC |
| 11655186 | Activitation of natural pozzolans | Jan 08, 19 | May 23, 23 | ROMAN CEMENT, LLC |
| 11440842 | Method for preparing a cementing material using smelting industrial waste slag after utilizing the simultaneous removal of S02 and NOx in flue gas and application of the cementing material obtained by the same | Jun 10, 20 | Sep 13, 22 | Kunming University Of Science And Technology |
| 11396478 | Method and system for producing low-alkalinity sulphoaluminate cement with new mineral system using steel slag | Feb 28, 20 | Jul 26, 22 | Governors of the Shandong University |
| 11142481 | Additive for increasing early activity index of nickel slag and preparation method thereof | Mar 10, 20 | Oct 12, 21 | Beijing University of Technology |
| 11034617 | Steel product, cement manufacturing process and cement | Dec 20, 17 | Jun 15, 21 | Gerdau S.A. |
| 10703675 | Method for processing steel slag and hydraulic mineral binder | Sep 01, 14 | Jul 07, 20 | Loesche GmbH |
| 10494298 | Cement-SCM compositions and methods and systems for their manufacture | Oct 24, 16 | Dec 03, 19 | ROMAN CEMENT, LLC |
| 10233116 | Activitation of natural pozzolans | Jan 05, 18 | Mar 19, 19 | ROMAN CEMENT, LLC |
| 10040726 | Method for producing an insulating composite building block | Apr 02, 15 | Aug 07, 18 | LaFarge |
| 9695485 | Method for the treatment of steelwork slag and hydraulic mineral binder | Sep 06, 12 | Jul 04, 17 | LOESCHE GMBH |
| 9266775 | Binder made of blast-furnace slag | Jul 17, 13 | Feb 23, 16 | SAINT-GOBAIN WEBER |
| 8652251 | Sulfur steel-slag aggregate concrete | Jan 28, 13 | Feb 18, 14 | KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, SAUDI ARABIAN OIL COMPANY, |
| 8540816 | Aggregate and filler extracted from slag | Aug 10, 07 | Sep 24, 13 | SACHTLEBEN CHEMIE GMBH |
| 8419852 | Light-weight composition and mix for masonry, mortar and stucco | Aug 01, 12 | Apr 16, 13 | Not available |
| 8257488 | Cementitious compositions having coarse ground blast furnace slag and methods of making and using the same | Nov 14, 11 | Sep 04, 12 | CAPITOL AGGREGATES, INC. |
| 5421409 | Slag-based well cementing compositions and methods | Mar 30, 94 | Jun 06, 95 | BJ SERVICES COMPANY |
| 5284513 | Cement slurry and cement compositions | Oct 22, 92 | Feb 08, 94 | SHELL OIL COMPANY |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0034,038 | SUPPLEMENTARY CEMENTITIOUS MATERIALS, AND MANUFACTURING AND USE THEREOF | Sep 30, 22 | Jan 30, 25 | Not available |
| 2024/0351,951 | SULFUR-RESISTANT PROTECTION SYSTEM | Oct 05, 23 | Oct 24, 24 | Not available |
| 2024/0174,564 | METHOD FOR THE COOLING AND HEAT RECOVERY FROM MATERIALS AT VERY HIGH TEMPERATURE | Mar 25, 22 | May 30, 24 | CICSA S.R.L. |
| 2023/0183,131 | PROCESS FOR STABILIZING STEEL SLAG | Jun 03, 22 | Jun 15, 23 | Not available |
| 2021/0130,234 | METHOD AND SYSTEM FOR PRODUCING LOW-ALKALINITY SULPHOALUMINATE CEMENT WITH NEW MINERAL SYSTEM USING STEEL SLAG | Feb 28, 20 | May 06, 21 | SHANDONG UNIVERSITY |
| 2016/0107,930 | METHOD FOR PROCESSING STEEL SLAG AND HYDRAULIC MINERAL BINDER | Sep 01, 14 | Apr 21, 16 | LOESCHE GMBH |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 27 Months (last 2 years Issuances)
- 27 Months (last 5 years Issuances)