Patent EP0088556A2 successfully refreshed from Google Patents.
EP0088556A2
Expired / Lapsed
EP
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Tablets having clear impressed marks and method for making same
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1983-02-23
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Granted: —
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Expires: 2003-02-23
Abstract
Abstract Tablets having clear marks, such as letters or figures, impressed thereon are produced by depositing in the impressed valley portion providing the mark a material different in color tone from the portion other than the impressed valley portion.
Inventors
- 👤 Kazutoshi Toya
- 👤 Nobuo Uchiyama
- 👤 Seiko Miura
- 👤 Takayoshi Mitsunaga
- 👤 Hisao Tobiki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 06:12
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2072
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
36 words
A method for producing tablets having a mark impressed thereon characterised by depositing in the impressed valley portion providing said mark a material different in color tone from the portion other than the impressed valley portion.
Claim 2
Independent Claim
36 words
A method for producing tablets having a mark impressed thereon characterised by depositing in the impressed valley portion providing said mark a material different in color tone from the portion other than the impressed valley portion.
Claim 3
Dependent Claim
25 words
A method according to claim 1 wherein the tablets are provided with a coating after said material has been deposited in the impressed valley portion.
Claim 4
Dependent Claim
24 words
A method according to claim 1 wherein the tablets are provided with a coating before deposition of said material in the impressed valley portion.
Claim 5
Dependent Claim
40 words
A method according to claim 1, 2 or 3 wherein said material is deposited by mixing and contacting the tablets with the material in a substantially dried state and then removing excess material not deposited- in the impressed valley portion.
Claim 6
Dependent Claim
18 words
A method according to claim 4 wherein excess material is removed by passing air through a tablet layer.
Claim 7
Independent Claim
18 words
A method according to any one of the preceding claims wherein the material is deposited using a pan.
Claim 8
Dependent Claim
14 words
A method according to claim 6 wherein the pan is a through-flow type pan.
Claim 9
Dependent Claim
26 words
A method according to claim 7 wherein excess material is removed by simultaneous charging and discharging of air into and from a through-flow drying type pan.
Claim 10
Independent Claim
17 words
A method according to any one of the preceding claims wherein the material comprises a powdery material.
Claim 11
Dependent Claim
18 words
A method according to claim 9 wherein the powdery material is an inorganic colorant, hydroxypropyl cellulose or starch.
Claim 12
Dependent Claim
21 words
A method according to claim 10 wherein the inorganic colorant is talc, magnesium carbonate, magnesium silicate, magnesium oxide or aluminum hydroxide.
Claim 13
Dependent Claim
34 words
A method according to claim 9 wherein the powdery material comprises a mixture of a wax which is solid at room temperature and has a melting point of 90°C or less with another material.
Claim 14
Dependent Claim
25 words
A method according to claim 12 wherein the mixture contains 5 to 50% by weight of wax, based on the weight of said another material.
Claim 15
Dependent Claim
25 words
A method according to claim 12 or 13 wherein the mixture is heated to 40 - 90°C after its deposition in the impressed valley portion.
References Cited (Backward Citations)
No citation records indexed.
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