US4950545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multifunctional facial tissue
Assignee: Kimberly Clark Worldwide Inc
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Filing: 1989-02-24
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Granted: 1990-08-21
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Expires: 2009-02-24
Abstract
Abstract Facial tissues containing a silicone compound exhibit improved softness, and reduced lint while maintaining absorbency. At the same time, the tissues of this invention do not smear glass as is the case with commercially available lotion-treated tissues.
Inventors
- 👤 Rebecca S. Walter
- 👤 Paulette M. Rosch
- 👤 David N. Haney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:11
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/891; A61K8/894; A45; A45D; A45D44/00; A61K8/02; A61K8/0208; A61Q; A61Q19/00; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D21; D21H; D21H21/00; D21H21/14; D21H21/22; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24826; Y10T428/24934
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
99 words
A facial tissue comprising at least two tissue sheets, said facial tissue containing from about 0.1 to about 5 weight percent solids, based on the finished basis weight of the tissue sheets, of a silicone compound having a number average molecular weight of about 10,000 or greater and which is incorporated into the tissue with an aqueous carrier, said tissue having a Smear Index of 1.0 or less, a Lint Reduction Index of 5 or greater, and a Sink Time no more than 30 seconds greater than the Sink Time of the same facial tissue without the silicone compound.
Claim 2
Dependent Claim
99 words
A facial tissue comprising at least two tissue sheets, said facial tissue containing from about 0.1 to about 5 weight percent solids, based on the finished basis weight of the tissue sheets, of a silicone compound having a number average molecular weight of about 10,000 or greater and which is incorporated into the tissue with an aqueous carrier, said tissue having a Smear Index of 1.0 or less, a Lint Reduction Index of 5 or greater, and a Sink Time no more than 30 seconds greater than the Sink Time of the same facial tissue without the silicone compound.
Claim 3
Dependent Claim
28 words
The tissue of claim 1 wherein the Sink Time is no more than 10 seconds greater than the Sink Time of the same tissue without the silicone compound.
Claim 4
Dependent Claim
28 words
The tissue of claim 1 wherein the Sink Time is no more than five seconds greater than the Sink Time of the same tissue without the silicone compound.
Claim 5
Dependent Claim
22 words
The tissue of claim 1 consisting of three tissue sheets or plies, wherein both outer sheets or plies contain a silicone compound.
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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) | 1993-08-20 | 1994-02-19 | 1994-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-20 | 1998-02-19 | 1998-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-20 | 2002-02-19 | 2002-08-21 | $7700.00 | Window Closed / Lapsed |