US173602A - Improvement in blotting-pads - Google Patents
Improvement in blotting-pads Download PDFInfo
- Publication number
- US173602A US173602A US173602DA US173602A US 173602 A US173602 A US 173602A US 173602D A US173602D A US 173602DA US 173602 A US173602 A US 173602A
- Authority
- US
- United States
- Prior art keywords
- blotting
- pads
- improvement
- paris
- dupont
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920001353 Dextrin Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- FYGDTMLNYKFZSV-MRCIVHHJSA-N dextrin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)OC1O[C@@H]1[C@@H](CO)OC(O[C@@H]2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-MRCIVHHJSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Definitions
- My invention consists in the substitution, for the blotting paper and powders at present used for drying Writing ink, of a solid absorbent material composed of plaster-of-paris, say tln'eeparts, and pulverized chalk, say one part, ground up in water containing, in solution, a small proportion of dextrine or alum and any desired coloring matter.
- This lIllXllllIQlS run into molds of any required design and size, and, the resulting-block, tablet, paper-Weight,
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Description
UNITED STATES PATENT OFFICE,
PIERRE LOUIS JOSEPH DUPONT, OF PARIS, FRANCE, ASSIGNOR TO LEON RHEIMS, OF NEW YORK, N. Y.
IMPROVEMENT m. BLOTTlNG-PADS.
Specification forming part of Letters Patent No. 173,602, dated February 15, 1876; application filed August 30, 1875.
To all whom it may concern:
Be it-known that I, PIERRE LOUIS JOSEPH DUPONT, of Paris, in France, (assignor to LEON RHE1MS,)112W6 invented an Improved Blotting-Pad, or substitute for blotting-paper and other ink-absorbers, of which the following is a specification:
My invention consists in the substitution, for the blotting paper and powders at present used for drying Writing ink, of a solid absorbent material composed of plaster-of-paris, say tln'eeparts, and pulverized chalk, say one part, ground up in water containing, in solution, a small proportion of dextrine or alum and any desired coloring matter. This lIllXllllIQlS run into molds of any required design and size, and, the resulting-block, tablet, paper-Weight,
J. DUPONT. Witnesses:
JULEs FONTENELLE, CHARLES WOOLSTON,
Clerks to Messrs. Mennons d2 (70.,
Patent Solicitors, Paris.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US173602A true US173602A (en) | 1876-02-15 |
Family
ID=2243009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US173602D Expired - Lifetime US173602A (en) | Improvement in blotting-pads |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US173602A (en) |
-
0
- US US173602D patent/US173602A/en not_active Expired - Lifetime
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