IE57173B1 - Process for obtaining road surface coatings by the spreading of aqueous emulsions of bitumen,and coatings obtained - Google Patents
Process for obtaining road surface coatings by the spreading of aqueous emulsions of bitumen,and coatings obtainedInfo
- Publication number
- IE57173B1 IE57173B1 IE2911/85A IE291185A IE57173B1 IE 57173 B1 IE57173 B1 IE 57173B1 IE 2911/85 A IE2911/85 A IE 2911/85A IE 291185 A IE291185 A IE 291185A IE 57173 B1 IE57173 B1 IE 57173B1
- Authority
- IE
- Ireland
- Prior art keywords
- bitumen
- emulsion
- spreading
- road surface
- coatings
- Prior art date
Links
- 239000000839 emulsion Substances 0.000 title claims abstract description 42
- 238000000576 coating method Methods 0.000 title claims abstract description 27
- 239000010426 asphalt Substances 0.000 title claims abstract description 20
- 230000007480 spreading Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 14
- 230000008569 process Effects 0.000 title claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 230000015556 catabolic process Effects 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 239000003945 anionic surfactant Substances 0.000 claims description 3
- 239000008346 aqueous phase Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- -1 alkylamine hydrochloride Chemical class 0.000 claims description 2
- 230000001804 emulsifying effect Effects 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- UFQDKRWQSFLPQY-UHFFFAOYSA-N 4,5-dihydro-1h-imidazol-3-ium;chloride Chemical compound Cl.C1CN=CN1 UFQDKRWQSFLPQY-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 239000004141 Sodium laurylsulphate Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
- E01C7/353—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively bituminous binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively bituminous binders, e.g. for roughening or clearing
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
- E01C19/17—Application by spraying or throwing
- E01C19/176—Spraying or throwing elements, e.g. nozzles; Arrangement thereof or supporting structures therefor, e.g. spray-bars
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/45—Portable apparatus for preparing, or for preparing and applying to the road, compound liquid binders, e.g. emulsified bitumen, fluxed asphalt
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Coatings are obtained by spreading on a surface an aqueous emulsion of bitumen and contacting this with an agent for breaking down the emulsion.
Description
The present Invention relates to a process for obtaining surface coatings for roads by the spreading of aqueous emulsions of bitumen.
The deposition of surface coatings Is an economical means for imparting certain surface properties, notably those of Impermeability and of ruggedness, to the road or other coatings which are used. These coatings are composed of hydrocarbon-containing binders, which are rendered fluid for spreading, either in the form of aqueous emulsions or by the addition to the bitumen of light fractions from the distillation of petroleum or Of coal. The mixtures of bitumens and hydrocarbon-containing products, which are known under the name of anhydrous coatings, are spread on the ground at a high temperature which is generally within the range between 120°C and 160°C, while spreading of the aqueous emulsions of bitumen takes place at about 70°C or even at ambient temperature; this Is one of their advantages. On the other hand, the hold of the anhydrous coatings is clearly more rapid and reliable than that of the coatings based on aqueous emulsions, the hold of which is moreover Influenced to a very great extent by the ambient temperature and humidity conditions, since in this case the hold necessitates the evaporation of the water contained in the emulsion which Is spread. This evaporation phase, which involves the breakdown of the emulsion. Is all the more significant because It Influences the fixation of the aggregates to the surface of the roadway. These problems have led to the preparation of surface coatings which comprise bitumen emulsion and which are composed of two layers, which permits the treated roadway to be used again rapidly for traffic; it is understood that such two-layer coatings are more costly, and it was desirable to develop a process for obtaining surface coatings which are cheap, monolayer, spreadable at a temperature close to ambient temperature and nevertheless exhibiting a rapid and reliable hold, that is to say providing coatings which are non-fragile and very coherent a short time after spreading.
The process for obtaining a surface coating according to the invention consists In spreading on the roadway, simultaneously, a traditional j bituminous aqueous emulsion and an agent for breaking down the said emulsion under conditions such that the breakdown of the emulsion takes place rapidly within the entire spread mass.
Thus according to the invention, there Is a process for obtaining surface coating by spreading an aqueous emulsion of bitumen comprising the following steps: a) preparing a bituminous aqueous emulsion by emulsifying a mixture of pure bitumen of penetration 180/220 and of fluid bitumen of viscosity in the range of 0 to 1, with an aqueous solution of an alkylamine hydrochloride in a homogen1ser, the bitumen being introduced at about 130°C and the aqueous phase at about 50°C, b) preparing an aqueous solution of a breakdown agent which is chosen from strong mineral bases, anionic surfactants and the mixtures thereof, c) spreading on a road surface with an emulsion bar equipped with jets located near the ground, at ambient temperature, the emulsion obtained in the above step a) and simultaneously projecting the breakdown agent solutions obtained in accordance with step b) above at an angle of incidence, or impact, to the ground lying between 60° and 25°, d) then distributing chlpplngs on the coated road surface.
In order that the breakdown should take place within the mass, it is desirable to discharge the breakdown agent onto the emulsion brush, !35 falling vertically from the spreader, in the lower part of this brush, preferably in the lower half.
I The angle of incidence is a function of the power of the jet of -3breakdown agent, the products employed and the atmospheric conditions; it is generally within the range between 10° and 30° and will be readily adapted by the specialist to the specific characteristics of the work to be undertaken, if necessary after preliminary tests.
Various agents for breaking down emulsions of hydrocarbons are known: their action generally results from a reaction.of neutralisation or indeed of precipitation of the emulsified medium; the nature of the breakdown agent depends essentially on the emulsified bitumen and the emulsifying agent. In the case of a cattionic emulsion, having a pH exceeding 2.5 and containing 60 to 75% by weight of bituminous binder and from 0.1 to 0.5% by weight of an emulsifying agent of the fatty amine or imidazoline hydrochloride type, the breakdown agent may be an aqueous solution, having a concentration within the range between 5 and %, of a strong mineral base, such as sodium hydroxide, or of an anionic surfactant, such as (cioei*2O^ alkYlsulPhate* or one of the mixtures thereof; the quantity of solution of breakdown agent discharged corresponds to 0.2 to 1% by weight of agent in relation to the weight of the emulsion to be treated.
It is preferred to use a bitumen of penetration 180/220 (as defined by the standard NF T 65-001), in admixture with 5 to 15% by weight of fluid bitumen, of ENGLER viscosity within the range between 0 and 1; the content of binder In the emulsion is preferably within the range between 65 and 75% by weight, and Its pH greater than 3.
The manner in which the breakdown agent and the emulsion are brought into contact is another significant characteristic of the process of the invention. It has In fact been noted that when the breakdown agent is sent to the surface of the emulsion which has already been deposited on the ground, the phenomenon of breakdown Is not propagated within the mass and the hold takes place superficially, leading to the formation of a skin and of a coating of poor quality.
Figure A shows the preferred relative orientation of the emulsion brush E and of the jet breakdown agent R, in relation to the ground S.
Figure B shows the case previously described of successive deposits; -4this involves the formation of a skin.
Figure C shows in schematic form a process for simultaneous spreading which, in general does not give satisfactory results because of the disturbance of the brush of bituminous emulsion falling on the ground; in this case, the jet of breakdown agent Is directed towards the.upper part of the emulsion brush near the outlet of the spreader, and comes • into contact with the brush In the upper half of the latter. \ 10 The process for obtaining surface coatings based on bituminous emulsions according to the Invention may be Implemented under the traditional conditions of spreading surface coatings without the use of a breakdown agent; the speeds of the pumps for the distribution of the emulsion, the spreader and its speed of advancement as well as the quantity of emulsion distributed on a given surface, do not need to be modified; this is another advantage of the invention, the person skilled in the art being in a position to adapt thereto the conditions of atomisation of the breakdown agent, as a function of the nature of the compounds used and of the specific conditions of the work.
The coatings obtained by this process, which are characterised by a rapid hold at ambient temperature, associated with good surface properties, are another subject of the Invention.
In the following, a description is given of examples of the implementation of the invention.
Example 1 a) Bituminous aqueous emulsion Emulsification takes place of 650 kg of a mixture comprising 600 kg of pure bitumen 180/220 (according to standard NF T-65-001) and 50 kg of fluid bitumen 0/1 with 350 kg of an aqueous solution of a hydrochloride I 35 of a diamine (resulting from the action on 4 kg of tallow diamine of 2.6 kg of a 32% by weight aqueous solution of HCI), in a COLAS'Trade Η*1*) homogen1ser, by introducing the bitumen at 130°C and the aqueous phase at 50°C. -5b) Breakdown agent It Is composed of an aqueous solution containing 10% by weight of sodium hydroxide and 2% by weight of sodium lauryl sulphate. c) Spreading By means of an emulsion bank equipped with brush jets and situtated at a distance of approximately 25 cm from the ground, spreading takes place, at ambient temperature, of 1.8 to 1.9 kg/A2 of the emulsion obtained In accordance with a) on the roadway and simultaneously, at an angle of Incidence of 60°to 25°, 50 kg/A2 of breakdown agent solution obtained In accordance with b); 6/10 chipplngs are then distributed on the ground at a rate of 8 1/m2. The hold of the coating Is achieved at a temperature of 15°C In approximately 2 hours; at this time, the resumption of the use of the roadway for traffic may be undertaken. With the application of the same mode of operation as previously, a monolayer coating will be prepared with double application of drippings with 2.1 to 2.4 kg/m2 of emulsion obtained 1n accordance with a), and 7 to 9 1/m2 of 10/14 drippings and 4 to 7 1/m2 of 4/6 chipplngs; the hold will achieved in approximately 2 hours. £xag&le_2i Study on the improvement of the quality of the fixing of the chipping Coatings of metal plates were prepared, 1n the laboratory, by distributing the bituminous aqueous emulsion obtained in accordance with Example 1-a) In the presence, or not In the presence, of the breakdown agent in accordance with 1-b), and by distributing chipplngs on the coating obtained, In accordance with a conventional technique (adaptation of the Vlallt test of overall adhesion to the plate). The percentage of chipplngs remaining attached to the metallic support plates after the latter had been turned over was measured at different times after covering thereof. The results obtained, which are shown in Table 1, demonstrate that the hold of the emulsion is far more rapid in the presence of breakdown agent.
Duration s % of hold of the emulsion at 22°C* control test 30 min 0% 454 1 hour 124 544 2 hours 174 594 * measured by the ratio of the number of drippings which remained attached to the plate to the total number of chippings distributed.
Claims (5)
1. Process of surface coating by spreading an aqueous emulsion of bitumen comprising the following steps:a) preparing a bituminous aqueous emulsion by emulsifying a mixture of pure bitumen of penetration 180/220 and of fluid bitumen of viscosity In the range of 0 to 1, with an aqueous solution of an alkylamine hydrochloride In an homogenlser, the bitumen being Introduced at about 130° and the aqueous phase at about 50°C, b) preparing an aqueous solution of a breakdown agent which is chosen from strong mineral bases, anionic surfactants and the mixtures thereof, c) spreading on a road surface with an emulsion bar equipped with jets located near the ground, at ambient temperature, the emulsion obtained in the above step a) and simultaneously projecting the breakdown agent solutions obtained In accordance with step b) above at an angle of Incidence, or Impact, to the ground lying between 60° and 25°, d) then distributing chlpplngs on the coated road surface.
2. Process according to claim 1 in which step c) Involves spreading 1.0 to 2.5 kg/M 2 of the aqueous emulsion and 5 to 30 gm/ra 2 of the breakdown agent solution.
3. Process according to claim 1 or claim 2 In which step d) involves spreading 6/10 chlpplngs on the coated surface at a rate of 8 1/m 2 .
4. Process according to any of claims 1 to 3 In which coating hardening Is achieved at a temperature of 15°C In approximately two hours,
5. Process of road surface coating substantially as hereinbefore particularly described with reference to Figures A and B in the accompanying drawings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8417758A FR2573455B1 (en) | 1984-11-21 | 1984-11-21 | PROCESS FOR OBTAINING SURFACE ROAD COATINGS BY SPREADING AQUEOUS BITUMEN EMULSIONS AND COATINGS OBTAINED |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE852911L IE852911L (en) | 1986-05-21 |
| IE57173B1 true IE57173B1 (en) | 1992-05-20 |
Family
ID=9309817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE2911/85A IE57173B1 (en) | 1984-11-21 | 1985-11-20 | Process for obtaining road surface coatings by the spreading of aqueous emulsions of bitumen,and coatings obtained |
Country Status (16)
| Country | Link |
|---|---|
| AT (1) | AT396138B (en) |
| AU (1) | AU580114B2 (en) |
| BE (1) | BE903679A (en) |
| CA (1) | CA1276082C (en) |
| CH (1) | CH666924A5 (en) |
| CY (1) | CY1474A (en) |
| DE (1) | DE3540249C2 (en) |
| ES (1) | ES8705066A1 (en) |
| FR (1) | FR2573455B1 (en) |
| GB (1) | GB2167975B (en) |
| IE (1) | IE57173B1 (en) |
| IT (1) | IT1201494B (en) |
| LU (1) | LU86165A1 (en) |
| MX (1) | MX168624B (en) |
| NZ (1) | NZ214270A (en) |
| ZA (1) | ZA858799B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2618350B1 (en) * | 1987-07-24 | 1991-07-12 | Applic Derives Asphalte | METHOD FOR CAUSING THE BREAKAGE OF AN EMULSION USING A BREAKING AGENT |
| FR2626593B1 (en) * | 1988-01-29 | 1992-02-28 | Screg Routes & Travaux | METHOD AND DEVICE FOR THE PRODUCTION OF A ROAD COVERING |
| NZ238058A (en) * | 1990-05-07 | 1993-05-26 | Emoleum Australia Ltd | Modification of cationic bitumen emulsions by adding agent to initiate coalescence |
| FR2662193B1 (en) * | 1990-05-21 | 1992-10-30 | Colas Sa | DEVICE FOR SPREADING A FLUID MATERIAL, IN PARTICULAR A BITUMINOUS MIXING EMULSION, AND PAVEMENT CONSTRUCTION MACHINE COMPRISING SUCH A DEVICE. |
| FR2665717B1 (en) * | 1990-08-08 | 1993-08-06 | Colas Sa | DEVICE FOR SPREADING A FLUID SUBSTANCE AND MACHINE FOR THE SIMULTANEOUS APPLICATION OF SUCH SUBSTANCE AND COATING OF A PAVEMENT. |
| FR2695949B1 (en) * | 1992-09-18 | 1994-12-09 | Sud Ouest Liants | Process for obtaining surface road coatings by spreading an aqueous emulsion of bitumen, gravel and a breaking agent and device for its implementation. |
| GB9306290D0 (en) * | 1993-03-26 | 1993-05-19 | Exxon Research Engineering Co | Bituminous surface construction |
| SE502529C2 (en) * | 1994-03-22 | 1995-11-06 | Mark & Mekan Ab | Valve device for spreading adhesives on walls |
| FR2732369B1 (en) * | 1995-03-28 | 1997-06-13 | Colas Sa | METHOD AND MACHINE FOR IMPLEMENTING A HANGING LAYER AND ROAD COVERING INCLUDING SUCH A LAYER |
| FR2748283B1 (en) * | 1996-05-06 | 1998-07-31 | Routiere Beugnet | PROCESS OF TREATMENT AFTER SPREADING OF BITUMEN EMULSION-BASED HANGER LAYERS AND VEHICLE ALLOWING THE IMPLEMENTATION OF THIS PROCESS |
| WO1999043890A1 (en) * | 1998-02-26 | 1999-09-02 | Antonino Ancione S.P.A. | A cold waterproofing, bituminous emulsion, modified with elastomers |
| GB2392399A (en) * | 2002-08-28 | 2004-03-03 | Antonino Ancione S P A | Process for the application of a bituminous coating |
| PL3167122T3 (en) | 2014-07-10 | 2022-11-28 | Vinci Construction | Calcium/magnesium compound slurry for bituminous road material |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE256573C (en) * | ||||
| DE490082C (en) * | 1926-08-20 | 1930-01-20 | Eduard Pree Dipl Ing | Process for the production of a gravel road surface using an emulsion of asphalt o. |
| CH152535A (en) * | 1931-02-20 | 1932-02-15 | Ruetgerswerke Ag | Process for the preparation of emulsions from tar products. |
| CH298445A (en) * | 1951-02-14 | 1954-05-15 | Zeller & Gmelin | Process for the production of building materials suitable for road surfaces. |
| CH338265A (en) * | 1954-02-19 | 1959-05-15 | Bataafsche Petroleum | Reversible water-in-oil type emulsion for coating mineral aggregates and other solid material with a thin adherent hydrophobic layer, its manufacture and use |
| GB1167265A (en) * | 1966-04-02 | 1969-10-15 | Bayer Ag | Process for the Manufacture of Bituminous Insulating Layers |
| AU421971B2 (en) * | 1967-09-13 | 1972-03-02 | Ib. E. Limited | Coating with emulsions |
| DK143034C (en) * | 1967-10-04 | 1981-10-19 | Chevron Res | SURFACE COATING MATERIAL AND PROCEDURE FOR ITS MANUFACTURING |
| DE1796270A1 (en) * | 1968-09-28 | 1972-02-17 | Bayer Ag | Coatings |
| CH544728A (en) * | 1970-03-06 | 1973-11-30 | Meynadier & Cie Ag | Process for the production of an insulating layer for the sealing of buildings |
| DE2161705A1 (en) * | 1971-01-27 | 1972-08-10 | Marini Off Mec | Device for spray mixing of materials |
| US3785852A (en) * | 1972-05-10 | 1974-01-15 | Tremco Mfg Co | Bituminous emulsion-rubber latex compositions and method of depositing coagula therefrom |
| DE2502760A1 (en) * | 1975-01-24 | 1976-07-29 | Shell Ag | METHOD FOR PRODUCING BITUMINOESE LAYERS |
| DE2816657C3 (en) * | 1978-04-17 | 1981-11-26 | Gebr. Happich Gmbh, 5600 Wuppertal | Coat hooks for sliding arrangement on the handle formation of handles to be arranged in vehicles |
| DD206491A3 (en) * | 1982-06-16 | 1984-01-25 | Petrolchemisches Kombinat | COLD-PROCESSABLE MIXTURE FOR ROADWORK PURPOSES |
-
1984
- 1984-11-21 FR FR8417758A patent/FR2573455B1/en not_active Expired
-
1985
- 1985-11-13 DE DE3540249A patent/DE3540249C2/en not_active Expired - Fee Related
- 1985-11-13 LU LU86165A patent/LU86165A1/en unknown
- 1985-11-14 IT IT22825/85A patent/IT1201494B/en active
- 1985-11-15 ZA ZA858799A patent/ZA858799B/en unknown
- 1985-11-18 GB GB08528322A patent/GB2167975B/en not_active Expired
- 1985-11-19 AT AT0337385A patent/AT396138B/en not_active IP Right Cessation
- 1985-11-19 MX MX000659A patent/MX168624B/en unknown
- 1985-11-20 ES ES549079A patent/ES8705066A1/en not_active Expired
- 1985-11-20 CA CA000495755A patent/CA1276082C/en not_active Expired - Fee Related
- 1985-11-20 CH CH4952/85A patent/CH666924A5/en not_active IP Right Cessation
- 1985-11-20 AU AU50265/85A patent/AU580114B2/en not_active Ceased
- 1985-11-20 NZ NZ214270A patent/NZ214270A/en unknown
- 1985-11-20 IE IE2911/85A patent/IE57173B1/en not_active IP Right Cessation
- 1985-11-20 BE BE0/215893A patent/BE903679A/en not_active IP Right Cessation
-
1989
- 1989-07-21 CY CY1474A patent/CY1474A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3540249A1 (en) | 1986-05-28 |
| CA1276082C (en) | 1990-11-13 |
| IT8522825A0 (en) | 1985-11-14 |
| BE903679A (en) | 1986-05-20 |
| ZA858799B (en) | 1986-07-30 |
| CY1474A (en) | 1989-07-21 |
| MX168624B (en) | 1993-06-02 |
| ES549079A0 (en) | 1987-04-16 |
| ES8705066A1 (en) | 1987-04-16 |
| FR2573455A1 (en) | 1986-05-23 |
| AU5026585A (en) | 1986-05-29 |
| GB8528322D0 (en) | 1985-12-24 |
| NZ214270A (en) | 1988-09-29 |
| FR2573455B1 (en) | 1986-12-26 |
| GB2167975A (en) | 1986-06-11 |
| AU580114B2 (en) | 1989-01-05 |
| IE852911L (en) | 1986-05-21 |
| IT1201494B (en) | 1989-02-02 |
| DE3540249C2 (en) | 1995-01-26 |
| ATA337385A (en) | 1992-10-15 |
| AT396138B (en) | 1993-06-25 |
| LU86165A1 (en) | 1986-03-24 |
| GB2167975B (en) | 1988-11-16 |
| CH666924A5 (en) | 1988-08-31 |
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| Date | Code | Title | Description |
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| MM4A | Patent lapsed |