| Patents for C04B 20 - Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials (4,429) |
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| 08/02/1977 | US4039297 Heat insulating particles |
| 07/19/1977 | US4036658 Water repellent silane or siloxane, lime mortar |
| 07/19/1977 | US4036301 Process and composition for cementing casing in a well |
| 07/12/1977 | US4035192 Cement and aggregate mixture and method for making same |
| 07/05/1977 | US4034139 Grafted mineral carriers for fixing enzymes |
| 07/05/1977 | US4033781 Fiber reinforced structural material |
| 05/03/1977 | US4021258 Concrete structure and method of preparing same |
| 03/08/1977 | US4011355 Emulsion coating for lightweight aggregate |
| 12/28/1976 | US4000241 Insulation method and materials |
| 11/16/1976 | US3992216 Lightweight aggregate for concrete and method for making same |
| 10/19/1976 | US3986885 Flexural strength in fiber-containing concrete |
| 09/14/1976 | US3980484 Fiber reinforced structural material and method of manufacture |
| 08/17/1976 | US3975277 Liquid composition for the treatment of waste materials |
| 08/10/1976 | US3973973 Sand, clay, shale, slate, fly ash |
| 06/29/1976 | US3967006 Vinyl monomer |
| 06/29/1976 | US3967005 Method for enveloping pellets of foamed poly-styrene suitable for producing lightened manufactured articles of cement |
| 06/22/1976 | US3965284 Chemically opening chrysotile asbestos and encapsulating |
| 06/22/1976 | US3965020 Siliceous thermal insulation and method of making same |
| 06/08/1976 | US3961978 Process for producing perlite microspheres |
| 05/18/1976 | US3958063 Composite particle having surface recessing or indentation |
| 05/18/1976 | US3957571 Surface treatment of asbestos fibers |
| 05/11/1976 | US3955985 1a siliconates, chelating agents, alcohols, ketones, masonry |
| 05/04/1976 | US3954490 Mono- or polycyclic aromatic compound with at least 3 hydroxy groups; cement reinforcement |
| 04/27/1976 | US3953657 Polymerization of vinyl monomer on glass or sand with bisulfite initiator |
| 04/27/1976 | US3953357 Vermiculite products produced by exfoliation pulverization and calcination |
| 04/27/1976 | US3953222 Addition of acidulated pozzolan to concrete and concrete products |
| 04/20/1976 | US3951673 Inorganic hardening composition |
| 04/06/1976 | US3949029 Production of porous shaped inorganic structures using gas-laden molecular sieve zeolites |
| 01/27/1976 | US3935339 Method for coating particulate material thereof |