UST892012I4 - Defensive publication - Google Patents
Defensive publication Download PDFInfo
- Publication number
- UST892012I4 UST892012I4 US892012DH UST892012I4 US T892012 I4 UST892012 I4 US T892012I4 US 892012D H US892012D H US 892012DH US T892012 I4 UST892012 I4 US T892012I4
- Authority
- US
- United States
- Prior art keywords
- defensive publication
- napped
- visconse
- regeneration
- extruded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
PROCESS FOR MAKING FIBROUS REGENERATED CELLULOSE SPONGE STRUCTURES HAVING NAPPED SURFACES WHICH COMPRISES SPRAYING THE SURFACES OF THE EXTRUDED OR CAST VISCONSE-FIBER-SALT MIXTURE, IMMEDIATELY PRIOR TO REGENERATION, WITH WATER DROPLETS.
Description
DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, S69 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.
Defensive Publication applications have notEbeen examined as to the merits of alleged invention. The Patent Ofifice makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED NOVEMBER 23, 1971 T892,012 PROCESS FOR MAKING NAPPED SPONGE STRUCTURES Ronald E. Lovell, Jr., Columbia, Tenn., assignor to E. I. du Pont de Nemours and Company, Wilmington, Del. Continuation of abandoned application Ser. No. 803,121, Feb. 27, 1969. This application Jan. 4, 1971, Ser. No.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10383871A | 1971-01-04 | 1971-01-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST892012I4 true UST892012I4 (en) | 1971-11-23 |
Family
ID=22297278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US892012D Pending UST892012I4 (en) | 1971-01-04 | 1971-01-04 | Defensive publication |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST892012I4 (en) |
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1971
- 1971-01-04 US US892012D patent/UST892012I4/en active Pending
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