US3630741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive gelatin-terpolymer materials having at least one conjugated vinylene dicarbonyl compound added to the emulsion polymerization reaction mixture
Assignee: Eastman Kodak Co
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Filing: 1969-09-12
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Granted: 1971-12-28
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Expires: 1989-09-12
Abstract
Abstract The introduction of at least one conjugated vinylene dicarbonyl compound into an emulsion polymerization reaction mixture comprising water, monomers and gelatin used to produce gelatinterpolymer compositions useful as subbing layers for photographic films provides a subbing material having substantially improved adhesive characteristics.
Inventors
- 👤 Jacques Vial
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:37
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/93; C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/08
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
70 words
The invention according to claim 1 and wherein said vinylene dicarbonyl compound is represented by the formula RCOXC CYCOOH or soluble salts thereof wherein R represents -H, -OH, or -OR'' wherein R'' is an organic moiety having about one to 10 carbon atoms; and X and Y are groups independently selected from the class consisting of hydrogen, halogens, and -OR'''' wherein R'''' represents an aromatic nucleus of the benzene series.
Claim 2
Dependent Claim
20 words
The invention according to claim 2 and wherein the carbonyl moieties of said vinylene dicarbonyl compound are in cis relationship.
Claim 3
Dependent Claim
33 words
The invention according to claim 2 and wherein said conjugated vinylene dicarbonyl compound is present in about 0.1 part to about 5 parts by weight per 100 parts by weight of the monomers.
Claim 4
Dependent Claim
64 words
The invention according to claim 2 and wherein said conjugated vinylene dicarbonyl compound is present in about 0.1 part to about 5 parts by weight per 100 parts by weight of the monomers, and the monomers comprise 60 to 80 percent by weight vinylidene chloride, 10 to 30 percent by weight acrylic ester or acrylonitrile and 1 to 12 percent by weight acrylic acid.
Claim 5
Dependent Claim
33 words
The invention according to claim 1 and wherein said conjugated vinylene dicarbonyl is at least one member selected from the group consisting of maleic acid, mucohalic acids, 2-(p-carboxyphenoxy)-3-chloromalealdehydic acid and dissolved residues thereof.
Claim 6
Dependent Claim
53 words
The invention according to claim 1 and wherein said conjugated vinylene dicarbonyl is at least one member selected from the group consisting of maleic acid, mucochloric acid, 2-(p-carboxyphenoxy)-3-chloromalealdehydic acid and dissolved residues thereof and is present in about 0.1 part of about 5 parts by weight per 100 parts by weight of monomers.
Claim 7
Dependent Claim
86 words
The invention according to claim 1 and wherein said conjugated vinylene dicarbonyl compound is at least one member selected from the group consisting of maleic acid, mucohalic acids, 2-(p-carboxyphenoxy)-3-chloromalealdehydic acid and dissolved residues thereof and is present in about 0.1 part to about 5 parts by weight per 100 parts by weight of the monomers, and the monomers comprise 60 to 80 percent by weight vinylidene chloride, 10 to 30 percent by weight acrylic ester or acrylonitrile and 1 to 12 percent by weight acrylic acid.
Claim 8
Dependent Claim
10 words
A composition prepared in accordance with the method of claim
Claim 9
Dependent Claim
74 words
In a photographic film material comprising a polyester support bearing photographic gelatin emulsion thereon which emulsion is adhered to said support by an interlayer containing emulsion polymerized terpolymer-gelatin composition prepared from a reaction mixture comprising water, gelatin, vinylidene chloride, acrylic ester or acrylonitrile, and acrylic acid, the improvement wherein said reaction mixture further includes at least one member selected from the group consisting of maleic acid, mucohalic acids, 2-(p-carboxyphenoxy)-3-chloromalealdehydic acid and dissolved residues thereof.
References Cited (Backward Citations)
US2852378A
Cited
US3053661A
Cited
US3501301A
Cited
US3295980A
Cited
US3497358A
Cited
US3460945A
Cited
US3488708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |