IP Library Patent Application 14443453
Patent Application
App. No. 14/443,453

FILM IN WHICH HAZE IS IMPROVED

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Quick Facts
Patent No.
US None
App. No.
14/443,453
Abstract

Provided is a film. The film includes water-soluble cellulose ether, about 0.5 parts by weight to about 1.5 parts by weight of a gelation agent based on 100 parts by weight of the water-soluble cellulose ether, and 0 parts by weight to about 0.3 parts by weight of a gelation aid based on 100 parts by weight of the water-soluble cellulose ether, wherein light transmittance is 80% or greater.

Claims (17)

1 . A film comprising:

a water-soluble cellulose ether;

about 0.5 parts by weight to about 1.5 parts by weight of a gelation agent based on 100 parts by weight of the water-soluble cellulose ether; and

0 parts by weight to about 0.3 parts by weight of a gelation aid based on 100 parts by weight of the water-soluble cellulose ether, wherein

light transmittance is 80% or greater.

2 . The film of claim 1 , wherein the water-soluble cellulose ether comprises hydroxypropyl methylcellulose (HPMC), hydroxyethyl methylcellulose (HEMC), methylcellulose (MC), or a mixture of two or more of these.

3 . The film of claim 1 , wherein the gelation agent comprises Carrageenan, Gellan gum, Xanthan gum, Pectin, or a mixture of two or more of these.

4 . The film of claim 1 , wherein the gelation aid comprises potassium chloride, potassium acetate, calcium chloride, or a mixture of two or more of these.

5 . The film of claim 1 , further comprising 0 parts by weight to about 5.0 parts by weight of other additives based on 100 parts by weight of the water-soluble cellulose ether.

6 . The film of claim 5 , wherein the other additives comprise a plasticizer, an emulsifier, or a mixture of two or more of these.

7 . The film of claim 1 ,

wherein the film is a hard capsule, a flat film, a film for food, a medicinal film, or an industrial film.

8 . The film of claim 2 , wherein the film is a hard capsule, a flat film, a film for food, a medicinal film, or an industrial film.

9 . The film of claim 3 , wherein the film is a hard capsule, a flat film, a film for food, a medicinal film, or an industrial film.

10 . The film of claim 4 , wherein the film is a hard capsule, a flat film, a film for food, a medicinal film, or an industrial film.

11 . The film of claim 5 , wherein the film is a hard capsule, a flat film, a film for food, a medicinal film, or an industrial film.

12 . The film of claim 6 , wherein the film is a hard capsule, a flat film, a film for food, a medicinal film, or an industrial film.

Assignments (2)
CHANGE OF NAME Recorded May 17, 2016
From: SAMSUNG FINE CHEMICALS CO., LTD.
To: LOTTE FINE CHEMICAL CO., LTD.
Reel/Frame 038726/0289 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 18, 2015
From: SON, JIN RYUL; BYUN, KIL SEUK
To: SAMSUNG FINE CHEMICALS CO., LTD.
Reel/Frame 035658/0133 →