US164478A - Improvement in permanent flour of camphor - Google Patents
Improvement in permanent flour of camphor Download PDFInfo
- Publication number
- US164478A US164478A US164478DA US164478A US 164478 A US164478 A US 164478A US 164478D A US164478D A US 164478DA US 164478 A US164478 A US 164478A
- Authority
- US
- United States
- Prior art keywords
- camphor
- flour
- permanent
- improvement
- glycerine
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/002—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by dehydrogenation
Definitions
- the object of this invention is to furnish a permanent flour of camphor for compounding With other medicines, and also to be used in a compact form for retailing.
- Glycerinated camphor thus produced may phor, consisting in sublilning crude camphor,
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Medicines Containing Plant Substances (AREA)
Description
IRA M. PHELPS, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR OF ONE- ATEN'I HALF HIS RIGHT TO JOHN H. SCOTT, JR, OF SAME PLACE.
IMPROVEMENT IN PERMANENT FLOUR OF CAMPHOR.
Specification forming part of Letters Patent No. 164,478, dated J nne 15, 1875; application filed April 24, 1875.
To all whom it may concern:
Be it known that I, IRA M. PHELPS, of Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented a new and valuable Improvement in Permanent Flour of Camphor; and I do hereby declare that the following is a full, clear, and exact description of the same.
The object of this invention is to furnish a permanent flour of camphor for compounding With other medicines, and also to be used in a compact form for retailing.
To accomplish this object upon a large scale I proceed as follows: Crude camphor is reduced to a coarse powder, to which about one per cent. of glycerine is added. Unslaked lime may be added, as in the process of making the refined camphor of commerce. Thus prepared, the camphor is put into an iron still, and distilled over into a large box or receiver,
' at any temperature between the melting and boiling points. The glycerine, uniting with the water in the camphor, and also with the hot camphor itself, is distilled over into the receiver, leaving therein minute particles or crystals of camphor, and, unlike the pulverized camphor of commerce, its tendency to solidify or recrystallize is very feeble, if not entirely absent.
When no glycerine is used (the other conditions being the same) the crystals are much larger, resembling snow-flakes, and the tendency to rapid evaporation and recrystallization is much greater.-
Glycerinated camphor thus produced may phor, consisting in sublilning crude camphor,
in combination with glycerine, substantially as described.
2. As a new article of manufacture, glycerinated camphor condensed in blocks, substantially as described.
In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.
IRA M. PHELPS.
Witnesses:
ALLEN H. GANGEW'ER, EMILE L. PERDRIANE.
I FFICE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US164478A true US164478A (en) | 1875-06-15 |
Family
ID=2233887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US164478D Expired - Lifetime US164478A (en) | Improvement in permanent flour of camphor |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US164478A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090159560A1 (en) * | 2006-08-31 | 2009-06-25 | Micron Technology, Inc. | Selective etch chemistries for forming high aspect ratio features and associated structures |
-
0
- US US164478D patent/US164478A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090159560A1 (en) * | 2006-08-31 | 2009-06-25 | Micron Technology, Inc. | Selective etch chemistries for forming high aspect ratio features and associated structures |
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