US3985937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paperboard laminating adhesive containing polyvinyl acetate/styrenebutadine polymers; paraffin wax; clay; and polyalkyleneglycol
Assignee: Georgia-Pacific LLC
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Filing: 1975-09-08
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Granted: 1976-10-12
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Expires: 1995-09-08
Abstract
Abstract A polymeric latex emulsion adhesive for lamination of paperboard is described.
Inventors
- 👤 Rodger L. Fife
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:55
CPC Classifications
C; C09; C09J; C09J109/00; C09J109/06; C09J109/08; B; B32; B32B; B32B27/00; B32B27/04; C08; C08K; C08K3/00; C08K3/34; C08K5/00; C08K5/04; C08K5/05; C08K5/06; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/10; C08L3/00; C08L3/02; C08L31/00; C08L31/02; C08L31/04; C08L71/00; C08L71/02; C08L9/00; C08L9/06; C08L9/08; C08L91/00; C08L91/06; C08L91/08; C08L97/00; C08L97/005; C09J125/00; C09J125/02; C09J125/04; C09J125/08; C09J125/10; C09J131/00; C09J131/02; C09J131/04; C08L2666/00; C08L2666/02; C08L2666/28; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
85 words
A corrugating medium laminating adhesive which comprises a polymer latex emulsion adhesive selected from a group consisting of polyvinyl acetate homopolymers and styrenebutadiene polymers, admixed in water, based upon the polymer solids, with a. from 10 to 30 weight percent of clay, from 0.1 to 2 weight percent of a paraffin wax as an aqueous wax emulsion, said paraffin wax having a melting point in the range of 52° to 56° C, and c. from 0.1 to 2 weight percent of a polyalkyleneglycol wetting agent.
Claim 2
Dependent Claim
85 words
A corrugating medium laminating adhesive which comprises a polymer latex emulsion adhesive selected from a group consisting of polyvinyl acetate homopolymers and styrenebutadiene polymers, admixed in water, based upon the polymer solids, with a. from 10 to 30 weight percent of clay, from 0.1 to 2 weight percent of a paraffin wax as an aqueous wax emulsion, said paraffin wax having a melting point in the range of 52° to 56° C, and c. from 0.1 to 2 weight percent of a polyalkyleneglycol wetting agent.
Claim 3
Dependent Claim
14 words
An adhesive of claim 1 wherein the polymer latex emulsion adhesive is polyvinyl acetate.
Claim 4
Dependent Claim
14 words
An adhesive of claim 1 wherein the polymer latex emulsion adhesive is styrene-butadiene polymer.
Claim 5
Dependent Claim
17 words
An adhesive of claim 1 wherein from 0.1 to 2 percent of a lignosulfonate dispersant is added.
Claim 6
Dependent Claim
17 words
An adhesive of claim 4 wherein from 0.05 to 1 weight percent of furfuryl alcohol is added.
Claim 7
Dependent Claim
39 words
An adhesive of claim 1 wherein the adhesive contains from 15 to 20 percent clay, from 0.5 to 1 percent wax, from 0.5 to 1 percent of triethylene glycol, and from 0.1 to 2 percent of a starch flour.
Claim 8
Dependent Claim
14 words
An adhesive of claim 6 wherein the polymer latex emulsion adhesive is polyvinyl acetate.
Claim 9
Dependent Claim
22 words
An adhesive of claim 6 wherein the polymer latex emulsion adhesive is a styrene-butadiene polymer containing from 45 to 55 percent styrene.
Claim 10
Dependent Claim
27 words
An adhesive of claim 7 wherein from 0.5 to 1 weight percent of a lignosulfonate dispersant and from 0.1 to 0.5 percent of furfuryl alcohol are added.
Claim 11
Dependent Claim
26 words
An adhesive of claim 8 wherein from 0.5 to 1 weight percent of a lignosulfonate dispersant and from 0.1 to 0.5 of furfuryl alcohol are added.
Claim 12
Dependent Claim
10 words
A laminated paper sheet prepared using adhesive of claim 1.
Claim 13
Dependent Claim
10 words
A laminated paper sheet prepared using adhesive of claim 6.
Claim 14
Dependent Claim
10 words
A laminated paper sheet prepared using adhesive of claim 9.
Claim 15
Dependent Claim
10 words
A laminated paper sheet prepared using adhesive of claim 10.
Claim 16
Dependent Claim
19 words
In a process of laminating a paperboard corrugating medium, the improvement which comprises using the adhesive of claim 1.
Claim 17
Dependent Claim
19 words
In a process of laminating a paperboard corrugating medium, the improvement which comprises using the adhesive of claim 6.
Claim 18
Dependent Claim
19 words
In a process of laminating a paperboard corrugating medium, the improvement which comprises using the adhesive of claim 9.
Claim 19
Dependent Claim
19 words
In a process of laminating a paperboard corrugating medium, the improvement which comprises using the adhesive of claim 10.
References Cited (Backward Citations)
US3477871A
Cited
US3647733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-12 | 1980-04-12 | 1980-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-12 | 1984-04-12 | 1984-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-12 | 1988-04-12 | 1988-10-12 | $7700.00 | Window Closed / Lapsed |