US3887738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carpet backsized with hot melt adhesive and method
Assignee: Ashland LLC
•
Filing: 1973-05-15
•
Granted: 1975-06-03
•
Expires: 1993-05-15
Abstract
Abstract Hot melt compositions containing copolymer of ethylene and vinyl acetate and/or alkyl acrylate wherein the alkyl group contains 118 carbon atoms; ester of rosin and polyhydric alcohol; and ester of polyhydric alcohol and dimer and/or trimer of fatty acid are particularly useful as carpet backing adhesives.
Inventors
- 👤 David D Taft
- 👤 Terry H Shepler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:45
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09J; C09J131/00; C09J131/02; C09J131/04; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/34; C09J2301/00; C09J2301/30; C09J2301/304; Y; Y10; Y10S; Y10S524/00; Y10S524/914; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
38 words
A PROCESS FOR BACKSIZING A TUFTED CARPET HAVING A PRIMARY TEXTILE BACKING AND NON-WOVEN TUFTS OF SYNTHETIC FIBERS PROTRUDING THEREFROM WHICH COMPRISES: A. HEATING TO ABOUT 160*F. TO ABOUT 375*F. A HOT MELT COATING COMPOSITION CONSISTING ESSENTIALLY OF:
Claim 2
Dependent Claim
38 words
A PROCESS FOR BACKSIZING A TUFTED CARPET HAVING A PRIMARY TEXTILE BACKING AND NON-WOVEN TUFTS OF SYNTHETIC FIBERS PROTRUDING THEREFROM WHICH COMPRISES: A. HEATING TO ABOUT 160*F. TO ABOUT 375*F. A HOT MELT COATING COMPOSITION CONSISTING ESSENTIALLY OF:
Claim 3
Dependent Claim
45 words
COPOLYMER OF ETHYLENE AND UNSATUREATED ESTER MONOMER SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE, ALKYL ARCYLATE WHEREIN THE ALKYL GROUP CONTAINS 1-18 CARBON ATOMS, AND MIXTURES THEREOF, CONTAINING FROM 40--85% BY WEIGHT OF ETHYLENE AND FOR 15-60% BY WEIGHT OF SAID UNSATURATED ESTER MONOMER;
Claim 4
Dependent Claim
45 words
COPOLYMER OF ETHYLENE AND UNSATUREATED ESTER MONOMER SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE, ALKYL ARCYLATE WHEREIN THE ALKYL GROUP CONTAINS 1-18 CARBON ATOMS, AND MIXTURES THEREOF, CONTAINING FROM 40--85% BY WEIGHT OF ETHYLENE AND FOR 15-60% BY WEIGHT OF SAID UNSATURATED ESTER MONOMER;
Claim 5
Dependent Claim
40 words
A process for backsizing a tufted carpet having a primary textile backing and non-woven tufts of synthetic fibers protruding therefrom which comprises: a. heating to about 160* F. to about 375* F. a hot melt coating composition consisting essentially of:
Claim 6
Dependent Claim
40 words
A process for backsizing a tufted carpet having a primary textile backing and non-woven tufts of synthetic fibers protruding therefrom which comprises: a. heating to about 160* F. to about 375* F. a hot melt coating composition consisting essentially of:
Claim 7
Dependent Claim
51 words
copolymer of ethylene and unsaturated ester monomer selected from the group consisting of vinyl acetate, alkyl arcylate wherein the alkyl group contains 1 - 18 carbon atoms, and mixtures thereof, containing from 40 - 85% by weight of ethylene and from 15 - 60% by weight of said unstaturated ester monomer;
Claim 8
Dependent Claim
51 words
copolymer of ethylene and unsaturated ester monomer selected from the group consisting of vinyl acetate, alkyl arcylate wherein the alkyl group contains 1 - 18 carbon atoms, and mixtures thereof, containing from 40 - 85% by weight of ethylene and from 15 - 60% by weight of said unstaturated ester monomer;
Claim 9
Dependent Claim
29 words
ester of rosin and polyhydric alcohol wherein the ester has an acid value between about 5 and about 40, and melting point range between 75* and 140* C.; and
Claim 10
Dependent Claim
29 words
ester of rosin and polyhydric alcohol wherein the ester has an acid value between about 5 and about 40, and melting point range between 75* and 140* C.; and
Claim 11
Dependent Claim
27 words
ESTER OF ROSIN AND POLYHYDRIC ALCOHOL WHEREIN THE ESTER HAS AN ACID VALUE BETWEEN ABOUT 5 ABOUT 40, AND MELTING POINT RANGE BETWEEN 75* AND 140*C.; AND
Claim 12
Dependent Claim
27 words
ESTER OF ROSIN AND POLYHYDRIC ALCOHOL WHEREIN THE ESTER HAS AN ACID VALUE BETWEEN ABOUT 5 ABOUT 40, AND MELTING POINT RANGE BETWEEN 75* AND 140*C.; AND
Claim 13
Dependent Claim
59 words
A tufted carpet comprising: a. a primary textile backing; b. tufts of textile fibers protruding from said primary textile backing and forming the surface of the carpet; c. a secondary textile backing adjacent to the backside of said primary textile backing; and d. the hot melt coating composition of claim 1 being interposed between said primary and secondary backings.
Claim 14
Dependent Claim
101 words
ester of polyhydric alcohol and dimer and/or trimer or mixture thereof, of ethylenically unsaturated monocarboxylic fatty acid having 16 - 22 carbon atoms, wherein said ester has an acid value of 6 to 40; b. applying a uniform coating in an amount from about 6 to 40 ounces per square yard of said composition in a molten state to the back side of said carpet at a coating station while moving said carpet past said coating station at a speed of from about 15to 80 feet per minute; and c. thereafter solidifying said coating by cooling it below its melting point.
Claim 15
Dependent Claim
101 words
ester of polyhydric alcohol and dimer and/or trimer or mixture thereof, of ethylenically unsaturated monocarboxylic fatty acid having 16 - 22 carbon atoms, wherein said ester has an acid value of 6 to 40; b. applying a uniform coating in an amount from about 6 to 40 ounces per square yard of said composition in a molten state to the back side of said carpet at a coating station while moving said carpet past said coating station at a speed of from about 15to 80 feet per minute; and c. thereafter solidifying said coating by cooling it below its melting point.
Claim 16
Dependent Claim
17 words
The carpet of claim 2 wherein at least one of the backings or fibers is a polyolefin.
Claim 17
Dependent Claim
98 words
ESTER OF POLYHYDRIC ALCOHOL AND IMER AND/OR TRIMER OR MIXTURE THEREOF, OF ETHYLENICALLY UNSATURATED MONOCARBOXYLIC FATTY ACID HAVING 16-22 CARBON ATOMS, WHEREIN SAID ESTER HAS AN ACID VALUE OF 6 TO 40; B. APPLYING A UNIFORM COATING IN AN AMOUNT FROM ABOUT 6 TO 40 OUNCES PER SQUARE YARD OF SAID COMPOSITION IN A MOLTEN STATE TO THE BACK SIDE OF SAID CARPET AT A COATING STATION WHILE MOVING SAID CARPET PAST SAID COATING STATION AT A SPEED OF FROM ABOUT 15 TO 80 FEET PER MINUTE; AND C. THEREAFTER SOLIDIFYING SAID COATING IT BELOW ITS MELTING POINT.
Claim 18
Dependent Claim
98 words
ESTER OF POLYHYDRIC ALCOHOL AND IMER AND/OR TRIMER OR MIXTURE THEREOF, OF ETHYLENICALLY UNSATURATED MONOCARBOXYLIC FATTY ACID HAVING 16-22 CARBON ATOMS, WHEREIN SAID ESTER HAS AN ACID VALUE OF 6 TO 40; B. APPLYING A UNIFORM COATING IN AN AMOUNT FROM ABOUT 6 TO 40 OUNCES PER SQUARE YARD OF SAID COMPOSITION IN A MOLTEN STATE TO THE BACK SIDE OF SAID CARPET AT A COATING STATION WHILE MOVING SAID CARPET PAST SAID COATING STATION AT A SPEED OF FROM ABOUT 15 TO 80 FEET PER MINUTE; AND C. THEREAFTER SOLIDIFYING SAID COATING IT BELOW ITS MELTING POINT.
Claim 19
Dependent Claim
10 words
The carpet of claim 3 wherein said polyolefin is polypropylene.
Claim 20
Dependent Claim
12 words
The carpet of claim 2 wherein said secondary backing is a polyolefin.
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) | 1978-06-02 | 1978-12-02 | 1979-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-02 | 1982-12-02 | 1983-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-02 | 1986-12-02 | 1987-06-03 | $7700.00 | Window Closed / Lapsed |