Patent US3717526A successfully refreshed from Google Patents.
US3717526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of textile articles
Assignee: Bayer Agriculture BVBA
•
Filing: 1970-05-18
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Granted: 1973-02-20
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Expires: 1990-05-18
Abstract
Abstract A process for adhering a foam backing to textile articles by applying a foamable composition of a vinyl chloride polymer, a plasticizer and a nitrogen-evolving blowing system which is active at a temperature below 150* C. to textile articles and thereafter applying heat to the treated article.
Inventors
- 👤 L Visnovsky
- 👤 P Stordeur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:12
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
56 words
A process for producing a textile article backed with vinyl chloride polymer foam fusible at a temperature below about 150* C. which comprises applying to the textile article a foamable composition comprising a vinyl chloride polymer, a plasticizer and a nitrogen-evolving blowing system active at a temperature below about 150* C. and heating the treated article.
Claim 2
Dependent Claim
56 words
A process for producing a textile article backed with vinyl chloride polymer foam fusible at a temperature below about 150* C. which comprises applying to the textile article a foamable composition comprising a vinyl chloride polymer, a plasticizer and a nitrogen-evolving blowing system active at a temperature below about 150* C. and heating the treated article.
Claim 3
Dependent Claim
14 words
A process according to claim 1 in which the textile article is a carpet.
Claim 4
Dependent Claim
15 words
A process according to claiM 1 in which the textile article is a flooring material.
Claim 5
Dependent Claim
23 words
A process according to claim 1 in which the textile article contains fibers sensitive to or damaged by temperatures above about 150* C.
Claim 6
Dependent Claim
18 words
A process according to claim 4 in which the article contains nylon, acrylic, olefin, polyester or viscose fibers.
Claim 7
Dependent Claim
34 words
A process according to claim 1 in which the foamable composition is applied to the article in paste form by spreading said composition on a woven or non-woven article, the paste being subsequently foamed.
Claim 8
Dependent Claim
43 words
A process according to claim 1 in which the vinyl chloride polymer is selected from the group consisting of polyvinyl-chloride and copolymers of vinyl chloride with vinylidene chloride, vinyl acetate, vinyl stearate, vinyl propionate, acetyl vinyl ether, tridecyl vinyl ether, ethylene and propylene.
Claim 9
Dependent Claim
23 words
A process according to claim 7 in which said comonomer is present in a minor proportion based on the weight of the copolymer.
Claim 10
Dependent Claim
28 words
A process according to claim 8 in which said comonomer is present in an amount of from 2 to 10 percent based on the weight of the copolymer.
Claim 11
Dependent Claim
28 words
A process according to claim 8 in which said comonomer is present in an amount of from 2 to 5 percent based on the weight of the copolymer.
Claim 12
Dependent Claim
17 words
A process according to claim 1 in which said blowing system is composed of nitrogen-evolving blowing agents.
Claim 13
Dependent Claim
35 words
A process according to claim 11 in which said blowing system is selected from the group consisting of a mixture of azodicarbonamide with benzenesulphonhydrazide or toluenesulphonhydrazide or a mixture of p,p''-oxybisbenzenesulfonylhydrazide with benzenesulphonhydrazide or toluenesulphonhydrazide.
Claim 14
Dependent Claim
25 words
A process according to claim 12 in which said mixture contains from about 10 to about 40 percent by weight of the mixture of azodicarbonamide.
Claim 15
Dependent Claim
23 words
A process according to claim 1 in which said copolymer is fusible at a temperature of from about 135* C. to 150* C.
Claim 16
Dependent Claim
25 words
A process according to claim 1 in which said plasticizer is selected from the group consisting of butylbenzylphthalate, dihexyl phthalate, diheptyl phthalate or dioctyl phthalate.
Claim 17
Dependent Claim
19 words
A process according to claim 1 in which said composition contains a metallic salt or mixtures of metallic salts.
Claim 18
Dependent Claim
15 words
A process according to claim 16 in which said metallic salt is a lead salt.
Claim 19
Dependent Claim
15 words
A process according to claim 17 in which said lead salt is a lead oleate.
Claim 20
Dependent Claim
62 words
A process for producing a textile article backed with vinyl chloride polymer foam fusible at a temperature below about 150* C. which comprises forming a sheet of foamed vinyl chloride polymer from a foamable composition comprising a vinyl chloride polymer, a plasticizer and a nitrogen-evolving blowing system active at a temperature below about 150* C. and fusing said sheet to said article.
Claim 21
Dependent Claim
62 words
A process for producing a textile article backed with vinyl chloride polymer foam fusible at a temperature below about 150* C. which comprises forming a sheet of foamed vinyl chloride polymer from a foamable composition comprising a vinyl chloride polymer, a plasticizer and a nitrogen-evolving blowing system active at a temperature below about 150* C. and fusing said sheet to said article.
Claim 22
Dependent Claim
13 words
A process according to claim 19 in which said article is a carpet.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |