Patent US4150674A successfully refreshed from Google Patents.
US4150674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-component blends of a polyamide, and a polyester and a lactam terpolymer
Assignee: Solutia Inc
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Filing: 1977-12-27
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Granted: 1979-04-24
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Expires: 1997-12-27
Abstract
Abstract The production of compatible polymeric compositions, fibers and nonwoven webs from three-component blends of a polyamide, a polyester, and a terpolymer of lactam-polyolpolyacyl lactam or lactam-polyol-acyl-polylactam is described in the present patent application.
Inventors
- 👤 Kai-Lim W. Yung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:48
CPC Classifications
C; C08; C08L; C08L77/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T442/00; Y10T442/60; Y10T442/637; Y10T442/697
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
59 words
A method for producing compatible melt blended fibers including a polyester and a polyamide which method comprises adding to the polyester and the polyamide, a terpolymer of lactam-polyol-polyacyl lactam or lactam-polyolacyl polylactam, in which three-component polymeric system each component is present at from 5 to 90% by weight, the process comprising melt spinning the said three component melt blend.
Claim 2
Independent Claim
59 words
A method for producing compatible melt blended fibers including a polyester and a polyamide which method comprises adding to the polyester and the polyamide, a terpolymer of lactam-polyol-polyacyl lactam or lactam-polyolacyl polylactam, in which three-component polymeric system each component is present at from 5 to 90% by weight, the process comprising melt spinning the said three component melt blend.
Claim 3
Independent Claim
65 words
A method for producing compatible melt blended shaped articles including a polyester and a polyamide which method comprises adding to the polyester and the polyamide, a terpolymer of lactam-polyol-polyacyl lactam or lactam-polyolacyl polylactam, in which three-component polymeric system each component is present at from 5 to 90% by weight, the process comprising melting the said three component melt blend and forming the same into objects.
Claim 4
Independent Claim
65 words
A method for producing compatible melt blended shaped articles including a polyester and a polyamide which method comprises adding to the polyester and the polyamide, a terpolymer of lactam-polyol-polyacyl lactam or lactam-polyolacyl polylactam, in which three-component polymeric system each component is present at from 5 to 90% by weight, the process comprising melting the said three component melt blend and forming the same into objects.
Claim 5
Dependent Claim
5 words
The product of claim 1.
Claim 6
Dependent Claim
5 words
The product of claim 2.
Claim 7
Dependent Claim
44 words
As a composition of matter a compatible three component polymeric melt blend comprising a polyamide, a polyester and a terpolymer of lactam-polyol-polyacyl lactam or lactam-polyolacyl polylactam, in which three component polymeric melt blend each component is present at from 5 to 90% by weight.
Claim 8
Dependent Claim
44 words
As a composition of matter a compatible three component polymeric melt blend comprising a polyamide, a polyester and a terpolymer of lactam-polyol-polyacyl lactam or lactam-polyolacyl polylactam, in which three component polymeric melt blend each component is present at from 5 to 90% by weight.
Claim 9
Dependent Claim
13 words
The composition as in claim 5 in which the polyamide is nylon 66.
Claim 10
Dependent Claim
13 words
The composition as in claim 5 in which the polyester is polyethylene terephthalate.
Claim 11
Independent Claim
70 words
The method of making a nonwoven fabric of a melt blended polymeric composition including a polyester, a polyamide and a terpolymer of lactam-polyol-polyacyl lactam or lactam-polyol-acyl polylactam, in which three-component polymeric system each component is present at from 5% to 90% by weight, which method comprises melt-spinning the said three-component polymeric system into fibers, forming the said fibers into a web and bonding the said web into a nonwoven fabric.
Claim 12
Independent Claim
70 words
The method of making a nonwoven fabric of a melt blended polymeric composition including a polyester, a polyamide and a terpolymer of lactam-polyol-polyacyl lactam or lactam-polyol-acyl polylactam, in which three-component polymeric system each component is present at from 5% to 90% by weight, which method comprises melt-spinning the said three-component polymeric system into fibers, forming the said fibers into a web and bonding the said web into a nonwoven fabric.
Claim 13
Dependent Claim
5 words
The product of claim 8.
Claim 14
Independent Claim
66 words
A method of producing a composite article which comprises forming a melt stream of a blend of a polyamide, a polyester, and a lactam terpolymer, and also forming a melt stream of another polymeric substance, and extruding the said two melt streams together in a composite configuration, the said composite configuration having at least 5% by wt. of the said blend in the total composite article.
Claim 15
Independent Claim
66 words
A method of producing a composite article which comprises forming a melt stream of a blend of a polyamide, a polyester, and a lactam terpolymer, and also forming a melt stream of another polymeric substance, and extruding the said two melt streams together in a composite configuration, the said composite configuration having at least 5% by wt. of the said blend in the total composite article.
Claim 16
Dependent Claim
5 words
The product of claim 10.
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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) | 1982-04-23 | 1982-10-23 | 1983-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-23 | 1986-10-23 | 1987-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-23 | 1990-10-23 | 1991-04-24 | $7700.00 | Window Closed / Lapsed |