US3928212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harmless softening agent for fabrics having excellent moisture absorbability
Assignee: DKS Co Ltd
•
Filing: 1973-07-06
•
Granted: 1975-12-23
•
Expires: 1993-07-06
Abstract
Abstract A harmless softening agent for giving excellent softness and moisture absorbability to fabrics, comprising 5 to 50 percent by weight of a natural fat and oil or the hardened product thereof and 95 to 50 percent by weight of at least one of polyvalent alcohol fatty acid esters selected from the group consisting of sugar fatty acid ester, sorbitan fatty acid ester, glycerin fatty acid ester and propylene glycol fatty acid ester, wherein the polyvalent alcohol fatty acid ester includes at least 10 percent by weight of monoester on the basis of the total weight of the fatty acid ester.
Inventors
- 👤 Sumio Goto
- 👤 Kazuhiko Ishihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:36
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/224; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
124 words
A SOFTENING AGENT FOR GIVING EXCELLENT SOFTNESS AND MOSITURE ABSORBABILITY TO FABRIC CONSISTING OF 5 TO 50% BY WEIGHT OF A NATURAL FAT AND OIL OR THE HARDENED PRODUCT THEREOF SELEATED FROM THE GROUP CONSISTING OF BEEF TALLOW, COTTON SEED OIL, SOYBEAN OIL AND COCONUT OIL AND 95 TO 50% BY WEIGHT OF AT LEAST ONE OF POLYVALENT ALCOHOL FATTY ACID ESTERS SELECTED FROM THE GROUP CONSISTING OF SUGAR FATTY ACID ESTER, SORBITAN FATTY ACID ESTER, GLYCERIN FATTY ACID ESTER AND PROPYLENE GLYCOL FATTY ACID ESTER WHEREIN THE FATTY ACID MOIETY HAS 12 TO 18 CARBON ATOMS, SAID POLYVALENT ALCOHOL FATTY ACID ESTER INCLUD ING AT LEAST 10% BY WEIGHT OF MONOESTER ON THE BASIS OF THE TOTAL WEIGHT OF THE FATTY ACID ESTER.
Claim 2
Dependent Claim
124 words
A SOFTENING AGENT FOR GIVING EXCELLENT SOFTNESS AND MOSITURE ABSORBABILITY TO FABRIC CONSISTING OF 5 TO 50% BY WEIGHT OF A NATURAL FAT AND OIL OR THE HARDENED PRODUCT THEREOF SELEATED FROM THE GROUP CONSISTING OF BEEF TALLOW, COTTON SEED OIL, SOYBEAN OIL AND COCONUT OIL AND 95 TO 50% BY WEIGHT OF AT LEAST ONE OF POLYVALENT ALCOHOL FATTY ACID ESTERS SELECTED FROM THE GROUP CONSISTING OF SUGAR FATTY ACID ESTER, SORBITAN FATTY ACID ESTER, GLYCERIN FATTY ACID ESTER AND PROPYLENE GLYCOL FATTY ACID ESTER WHEREIN THE FATTY ACID MOIETY HAS 12 TO 18 CARBON ATOMS, SAID POLYVALENT ALCOHOL FATTY ACID ESTER INCLUD ING AT LEAST 10% BY WEIGHT OF MONOESTER ON THE BASIS OF THE TOTAL WEIGHT OF THE FATTY ACID ESTER.
Claim 3
Dependent Claim
35 words
The softening agent according to claim 1 wherein the fatty acid is a member selected from the group consisting of lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid and linolenic acid.
Claim 4
Dependent Claim
31 words
The softening agent according to claim 1, wherein the sugar fatty acid ester is mono-, di- or tri-fatty acid ester having 12 to 18 carbon atoms in the fatty acid moiety.
Claim 5
Dependent Claim
31 words
The softening agent according to claim 1, wherein the sorbitan fatty acid ester is mono-, di- or tri-fatty acid ester having 12 to 18 carbon atoms in the fatty acid moiety.
Claim 6
Dependent Claim
36 words
The softening agent according to claim 1, wherein the glycerin fatty acid ester and the propylene glycol fatty acid ester are both mono-fatty acid ester having 12 to 18 carbon atoms in the fatty acid moiety.
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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) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |