US4735832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container made of synthetic resin and method for manufacture thereof
Assignee: Terumo Corp
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Filing: 1987-02-24
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Granted: 1988-04-05
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Expires: 2007-02-24
Abstract
Abstract A container made of synthetic resin and provided at one portion thereof with at least one tightly closable opening, which container has on a surface thereof a continuous coating having a gas barrier characteristic comprising low permeability to oxygen and carbon dioxide by the plasma treatment reaction of a mixture of a silicon compound having the general formula I with a silicon compound having the general formula II: ##STR1## wherein m=1-5, n=1-5, R 1 and R 2 are C 1 -C 5 alkyl, C 1 -C 5 alkoxy or phenyl or OH.
Inventors
- 👤 Toshiji Ichikawa
- 👤 Yoshimitsu Asada
- 👤 Ken Tatebe
- 👤 Tooru Takahashi
- 👤 Juuro Aoyagi
- 👤 Takeshi Shimomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:39
CPC Classifications
A; A61; A61L; A61L33/00; A61L33/06; A61L33/068; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150732; A61B5/153; A61B5/154; B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/5082; B65; B65D; B65D1/00; B65D1/02; B65D1/0207; B65D23/00; B65D23/08; B65D23/0807; B65D23/0814; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C09; C09D; C09D183/00; C09D183/04; C09D4/00; A61B5/150015; A61B5/15003; A61B5/150374; A61B5/150381; A61B5/150473; C08J2483/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1379; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31667
Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
139 words
A container made of synthetic resin and provided at one portion thereof with at least one tightly closable opening, which container has on at least either of the inner and outer surfaces thereof a continuous coating having a gas barrier characteristics comprising low permeability to oxygen and carbon dioxide by the plasma treatment reaction of a mixture of a silicon compound having the general formula I: ##STR10## wherein m denotes an integer of the value of 1 to 5, with a silicon compound having the general formula II: ##STR11## wherein n denotes an integer of the value of 1 to 5 and R 1 and R 2 independently denote an alkyl or alkoxy group having 1 to 4 carbon atoms, a phenyl group, or hydroxyl group, providing that both R 1 and R 2 are not both hydroxyl groups.
Claim 2
Dependent Claim
139 words
A container made of synthetic resin and provided at one portion thereof with at least one tightly closable opening, which container has on at least either of the inner and outer surfaces thereof a continuous coating having a gas barrier characteristics comprising low permeability to oxygen and carbon dioxide by the plasma treatment reaction of a mixture of a silicon compound having the general formula I: ##STR10## wherein m denotes an integer of the value of 1 to 5, with a silicon compound having the general formula II: ##STR11## wherein n denotes an integer of the value of 1 to 5 and R 1 and R 2 independently denote an alkyl or alkoxy group having 1 to 4 carbon atoms, a phenyl group, or hydroxyl group, providing that both R 1 and R 2 are not both hydroxyl groups.
Claim 3
Dependent Claim
31 words
A container made of synthetic resin according to claim 1, wherein the ratio of said silicon compound (II) being from 0.5 to 3 mols per mol of said silicon compound (I).
Claim 4
Dependent Claim
24 words
A container made of synthetic resin according to claim 1, wherein said container body made of synthetic resin is made of transparent synthetic resin.
Claim 5
Dependent Claim
17 words
A container made of synthetic resin according to claim 2, wherein said coating is a transparent coating.
Claim 6
Dependent Claim
24 words
A container made of synthetic resin according to claim 1, wherein said coating has a thickness in the range of 0.01 to 2 μm.
Claim 7
Dependent Claim
88 words
A container made of synthetic resin according to claim 1, wherein m in said general formula I denotes an integer of the value 1 to 5 and n in said general formula II denotes an integer of the value 1 to 5 and R 1 and R 2 in the same general formula independently denote an alkyl group having 1 to 4 carbon atoms or a hydroxyl group and the ratio of silicon compound (II) being from 1 to 2 mols per mol of said silicon compound (I).
Claim 8
Dependent Claim
40 words
A container made of synthetic resin according to claim 6, wherein R 1 in said general formula II is an alkyl group having 1 or 2 carbon atoms and R 2 in the same general formula is a hydroxyl group.
Claim 9
Dependent Claim
50 words
A container made of synthetic resin according to claim 1, wherein said container body is a tubular member made of synthetic resin and having one end thereof closed and the other end thereof opened and said open end of said tubular member is tightly closed with a pierceable plug member.
Claim 10
Dependent Claim
19 words
A container made of synthetic resin according to claim 8, wherein said container is a vacuum blood collecting vessel.
Claim 11
Dependent Claim
20 words
A container made of synthetic resin according to claim 8, wherein said container is further subjected to sterilization with radiation.
Claim 12
Dependent Claim
16 words
A container made of synthetic resin according to claim 10, wherein said radiation is gamma ray.
Claim 13
Dependent Claim
21 words
A container made of synthetic resin according to claim 8, wherein said tubular member has chemical agent for test held therein.
Claim 14
Dependent Claim
20 words
A container made of synthetic resin according to claim 12, wherein said chemical agent for test in an oxidative substance.
Claim 15
Dependent Claim
21 words
A container made of synthetic resin according to claim 13, wherein said oxidative substance is a liquid or gel-like culture medium.
Claim 16
Dependent Claim
17 words
A container made of synthetic resin according to claim 13, wherein said oxidative substance is an anticoagulant.
Claim 17
Dependent Claim
23 words
A container made of synthetic resin according to claim 8, wherein said closed space is kept under pressure lower than the atmospheric pressure.
Claim 18
Dependent Claim
34 words
A container made of synthetic resing according to claim 1, wherein said container body holds a chemical agent therein and has the opening thereof closed to isolate the inner atmosphere from the outer atmosphere.
Claim 19
Dependent Claim
18 words
A container made of synthetic resin according to claim 17, wherein said chemical agent is an oxidative substance.
Claim 20
Dependent Claim
17 words
A container made of synthetic resin according to claim 18, wherein said chemical agent is a liquid.
Claim 21
Dependent Claim
26 words
A container made of synthetic resin according to claim 17, wherein said container body made of synthetic resin is formed of synthetic resin resistant to heat.
Claim 22
Dependent Claim
24 words
A container made of synthetic resin according to claim 17, wherein said inner atmosphere is formed of a gas inactive to said chemical agent.
Claim 23
Independent Claim
188 words
A method for the manufacture of a container made of synthetic resin and provided at one portion thereof with at least one tightly closable opening, which method comprises applying upon at least either of the inner and outer surfaces of the container body a mixed solution consisting of a silicon compound having general formula I: ##STR12## wherein m denotes an integer of the value of 1 to 5, and a silicon compound having the general formula II: ##STR13## wherein n denotes an integer of the value of 1 to 5 and R 1 and R 2 independently denote an alkyl or alkoxy group having 1 to 4 carbon atoms, a phenyl group, or hydroxyl group, providing that both R 1 and R 2 are not both hydroxyl groups, drying the applied layer of said mixed solution, and subsequently subjecting the dried layer to a plasma treatment in the absence of a catalyst and in the presence of the gas of an oxygen atom-containing molecule thereby covering said surface of the container body with a continuous coating having gas barrier characteristics comprising low permeability to oxygen and carbon dioxide.
Claim 24
Independent Claim
188 words
A method for the manufacture of a container made of synthetic resin and provided at one portion thereof with at least one tightly closable opening, which method comprises applying upon at least either of the inner and outer surfaces of the container body a mixed solution consisting of a silicon compound having general formula I: ##STR12## wherein m denotes an integer of the value of 1 to 5, and a silicon compound having the general formula II: ##STR13## wherein n denotes an integer of the value of 1 to 5 and R 1 and R 2 independently denote an alkyl or alkoxy group having 1 to 4 carbon atoms, a phenyl group, or hydroxyl group, providing that both R 1 and R 2 are not both hydroxyl groups, drying the applied layer of said mixed solution, and subsequently subjecting the dried layer to a plasma treatment in the absence of a catalyst and in the presence of the gas of an oxygen atom-containing molecule thereby covering said surface of the container body with a continuous coating having gas barrier characteristics comprising low permeability to oxygen and carbon dioxide.
Claim 25
Dependent Claim
27 words
A method according to claim 22, wherein the ratio of said silicon compound (II) is from 0.5 to 3 mols per mol of said silicon compound (I).
Claim 26
Dependent Claim
23 words
A method according to claim 22, wherein said reaction is carried out under a vacuum in the range of 0.01 to 2.0 Torrs.
Claim 27
Dependent Claim
26 words
A method according to claim 22, wherein the gas of an oxygen atom-containing molecule contains oxygen in a concentration in the range of 20 to 100%.
Claim 28
Dependent Claim
19 words
A method according to claim 22, wherein the reaction temperature is in the range of 0° to 150° C.
Claim 29
Dependent Claim
85 words
A method according to claim 22, wherein m in said general formula I denotes an integer of the value of 1 to 5 and n in said general formula II denotes an integer of the value of 1 to 5 and R 1 and R 2 in the same general formula independently denote an alkyl group having 1 to 4 carbon atoms or hydroxyl group and the ratio of silicon compound (II) being from 1 to 2 mols per mol of said silicon compound (I).
Claim 30
Dependent Claim
35 words
A method according to claim 27, wherein R 1 in said general formula II is an alkyl group having 1 or 2 carbon atoms and R 2 in the same general formula is hydroxyl group.
Claim 31
Dependent Claim
24 words
A method according to claim 22, wherein said plasma treatment is carried out for a period in the range of 0.1 to 60 minutes.
Claim 32
Dependent Claim
14 words
A method according to claim 22, wherein said synthetic resin is transparent synthetic resin.
Claim 33
Dependent Claim
27 words
A method according to claim 22, wherein said mixed solution of silicon compounds is applied on the surface of said container body by virtue of ultrasonic waves.
Claim 34
Dependent Claim
18 words
A method according to claim 22, wherein said container body made of synthetic resin is washed in advance.
Claim 35
Dependent Claim
17 words
A method according to claim 32, wherein said washing treatment is carried out in an aqueous solution.
Claim 36
Dependent Claim
18 words
A method according to claim 33, wherein said washing treatment is carried out by virtue of ultrasonic waves.
Claim 37
Dependent Claim
39 words
A method according to claim 22, wherein said container body made of synthetic resin is washed in advance and said mixed solution of silicon compounds is applied to the surface of said container body by virtue of ultrasonic waves.
Claim 38
Dependent Claim
16 words
A method according to claim 35, wherein said washing treatment carried out in an aqueous solution.
Claim 39
Dependent Claim
18 words
A method according to claim 36, wherein said washing treatment is carried out by virtue of ultrasonic waves.
Claim 40
Dependent Claim
20 words
A method according to claim 22, wherein said plasma treatment is carried out as split in a plurality of rounds.
Claim 41
Dependent Claim
35 words
A method according to claim 38, wherein said plasma treatment is carried out as split in two rounds and the container under treatment in cooled between the first and second rounds of the plasma treatment.
References Cited (Backward Citations)
US3136440A
Cited
US4137365A
Cited
GB2021976A
Cited
US4243720A
Cited
US4228032A
Cited
FR2443484A1
Cited
US4385086A
Cited
US4444973A
Cited
FR2523847A1
Cited
US4490420A
Cited
US4533369A
Cited
US4599243A
Cited
US4504549A
Cited
US4552791A
Cited
US4686124A
Cited
US4587136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-04-05 | 1991-10-05 | 1992-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-05 | 1995-10-05 | 1996-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-05 | 1999-10-05 | 2000-04-05 | $7700.00 | Window Closed / Lapsed |