US4358493A
Expired / Lapsed
US
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Cans
Assignee: Artience Co Ltd
•
Filing: 1981-01-29
•
Granted: 1982-11-09
•
Expires: 2001-01-29
Abstract
Abstract Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, characterized in that the adhesive comprises at least one modified polyolefin selected from carboxyl group-containing polyolefins and metal compound-incorporated carboxyl group-containing polyolefins.
Inventors
- 👤 Akira Ohtsuki
- 👤 Hirokichi Ishino
- 👤 Hiromu Sakai
- 👤 Takahiro Yamasoba
- 👤 Susumu Tsuchiko
- 👤 Yasuyuki Ishiwatari
- 👤 Atsuhiro Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:28
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B27/00; B32B27/32; B65; B65D; B65D7/00; B65D7/12; B65D7/34; B65D7/38; C; C09; C09D; C09D151/00; C09D151/06; C09J; C09J123/00; C09J123/02; C09J123/025; B32B2405/00; B32B2439/00; B32B2439/40; B32B2439/66; C08; C08L; C08L2666/00; C08L2666/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T156/1038; Y10T428/00; Y10T428/13; Y10T428/1303; Y10T428/1352; Y10T428/1355; Y10T428/1359; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/28; Y10T428/2804; Y10T428/2848; Y10T428/2852; Y10T428/2857; Y10T428/2878; Y10T428/2891; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31703; Y10T428/31725; Y10T428/3175; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
80 words
Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive inserted between said portions, wherein the adhesive consists of (1) at least one member selected from the group consisting of modified polyolefins which are carboxyl group-containing polyolefins and metal compound-incorporated carboxyl group-containing polyolefins and (2) a member selected from the group consisting of non-modified polyolefins and polyamides, and said adhesive is used in the form of a tape or coating material.
Claim 2
Dependent Claim
80 words
Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive inserted between said portions, wherein the adhesive consists of (1) at least one member selected from the group consisting of modified polyolefins which are carboxyl group-containing polyolefins and metal compound-incorporated carboxyl group-containing polyolefins and (2) a member selected from the group consisting of non-modified polyolefins and polyamides, and said adhesive is used in the form of a tape or coating material.
Claim 3
Dependent Claim
31 words
Cans according to claim 1 wherein the metal compound-incorporated carboxyl group-containing polyolefins contains 0.05-10 parts by weight of the metal compound per 100 parts by weight of the carboxyl group-containing polyolefin.
Claim 4
Dependent Claim
90 words
Cans according to claim 1, wherein the modified polyolefin is a member selected from the group consisting of olefin-ethylenically unsaturated carboxylic acid copolymers, metal compound-incorporated olefin-ethylenically unsaturated carboxylic acid copolymers, polyolefin-ethylenically unsaturated carboxylic acid-graft copolymers and metal compound-incorporated polyolefin-ethylenically unsaturated carboxylic acid-graft copolymers, the metal compound-incorporated olefin-ethylenically unsaturated carboxylic acid copolymers and the metal compound-incorporated polyolefin-ethylenically unsaturated carboxylic acid-graft copolymers containing 0.05-10 parts by weight of the metal compound per 100 parts by weight of the olefin-ethylenically unsaturated carboxylic acid copolymer and of the polyolefin-ethylenically unsaturated carboxylic acid-graft copolymer, respectively.
Claim 5
Dependent Claim
32 words
Cans according to claim 1 wherein the metal compound is a compound of the metal selected from the group consisting of Groups I, II, III and VIII metals of the Periodic Table.
Claim 6
Dependent Claim
24 words
Cans according to claim 4, wherein the metal compound is incorporated in the polymer at a temperature above the softening point of the polymer.
Claim 7
Dependent Claim
28 words
Cans according to claim 1 wherein the can materials are a laminate of a 7-100 μm thick metal foil and an up to 400 μm thick plastic film.
Claim 8
Dependent Claim
20 words
Cans according to claim 6, wherein the can materials are a laminate of a metal foil and a polyolefin film.
Claim 9
Dependent Claim
23 words
Cans according to claim 6, wherein the can materials are a laminate of a polyolefin film, a metal foil and a polyolefin film.
Claim 10
Dependent Claim
25 words
Cans according to claim 6, wherein the film and the foil are bonded together with an adhesive consisting of said at least one modified polyolefin.
Claim 11
Dependent Claim
33 words
Cans according to claim 6, wherein the can materials are a laminate of a 7-100 μm thick metal foil, a 100-400 μm thick paper and an up to 400 μm thick plastic film.
Claim 12
Dependent Claim
81 words
Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, wherein the adhesive comprises at least one modified polyolefin which is a metal compound-incorporated carboxyl group-containing polyolefin and said adhesive is a laminate form comprising a layer of said modified polyolefin and a layer of polyolefin, said metal compound being a compound of a metal selected from the group consisting of Groups I, II, III and VIII metals of the Periodic Table.
Claim 13
Dependent Claim
81 words
Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, wherein the adhesive comprises at least one modified polyolefin which is a metal compound-incorporated carboxyl group-containing polyolefin and said adhesive is a laminate form comprising a layer of said modified polyolefin and a layer of polyolefin, said metal compound being a compound of a metal selected from the group consisting of Groups I, II, III and VIII metals of the Periodic Table.
Claim 14
Dependent Claim
16 words
Cans according to claim 11, wherein said laminate form further comprises a second modified polyolefin layer.
Claim 15
Dependent Claim
82 words
Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, wherein the adhesive comprises at least one modified polyolefin which is a metal compound-incorporated carboxyl group-containing polyolefin and said adhesive is in a laminate form comprising a layer of said modified polyolefin and a layer of polyamide, said metal compound being a compound of a metal selected from the group consisting of Groups I, II, III and VIII metals of the Periodic Table.
Claim 16
Dependent Claim
82 words
Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, wherein the adhesive comprises at least one modified polyolefin which is a metal compound-incorporated carboxyl group-containing polyolefin and said adhesive is in a laminate form comprising a layer of said modified polyolefin and a layer of polyamide, said metal compound being a compound of a metal selected from the group consisting of Groups I, II, III and VIII metals of the Periodic Table.
Claim 17
Dependent Claim
16 words
Cans according to claim 13, wherein said laminate form further comprises a second modified polyolefin layer.
Claim 18
Dependent Claim
56 words
Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, wherein the adhesive comprises a metal compound-incorporated carboxyl group containing polyolefin, said metal compound being a compound of a metal selected from the group consisting of Groups I, II, III and VIII metals of the Periodic Table.
Claim 19
Dependent Claim
56 words
Cans prepared by bonding and/or seaming together the to-be-bonded portions of can materials with the aid of an adhesive, wherein the adhesive comprises a metal compound-incorporated carboxyl group containing polyolefin, said metal compound being a compound of a metal selected from the group consisting of Groups I, II, III and VIII metals of the Periodic Table.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-11-08 | 1986-05-10 | 1986-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-08 | 1990-05-10 | 1990-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-08 | 1994-05-10 | 1994-11-09 | $7700.00 | Window Closed / Lapsed |