UST872012I4 - Defensive publication - Google Patents
Defensive publication Download PDFInfo
- Publication number
- UST872012I4 UST872012I4 US872012DH UST872012I4 US T872012 I4 UST872012 I4 US T872012I4 US 872012D H US872012D H US 872012DH US T872012 I4 UST872012 I4 US T872012I4
- Authority
- US
- United States
- Prior art keywords
- defensive publication
- solvent
- boiling
- trichloroethylene
- cab
- 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
- 238000009835 boiling Methods 0.000 description 7
- 239000002904 solvent Substances 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 3
- 229920002301 cellulose acetate Polymers 0.000 description 3
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 3
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 2
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 2
- UYXTWWCETRIEDR-UHFFFAOYSA-N Tributyrin Chemical compound CCCC(=O)OCC(OC(=O)CCC)COC(=O)CCC UYXTWWCETRIEDR-UHFFFAOYSA-N 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 239000001087 glyceryl triacetate Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000004957 naphthylene group Chemical group 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
Definitions
- Injection molded cellulose acetate (CA), or its propionate (CAP) or butyrate (CAB) with flaws, mold flash and surface strain may be treated with a liquid of 80 to 99% low boiling solvent (200 F., or lower) and to 1% higher boiling solvent (over 200 R, up to 350 F.) by dipping, spraying, roller, or brush at or below F. After contact for 20 sec. to 4 min., excess solvent may be spun off and the article is placed in an oven for 1 to 4 min. at or above the boiling point of the lowest boiling solvent to 300 F.).
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
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, 869 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 not been examined as to the merits of alleged invention. The Patent Ofllce makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED MARCH 31, 1970 T872 012 PROCESS OF SOLVENT POLISHING PLASTIC MOLDED ARTICLES Clay D. Holt, P.0. Box 511, Kingsport, Tenn. 37662 Continuation of application Ser. No. 684,537, Nov. 20, 1967. This application Oct. 20, 1969, Ser. No. 867,969 Int. Cl. B29c 25/00; B44d /10 US. Cl. 264-341 No Drawing. 11 Pages Specification Plastic articles are smoothed and polished by applying a mixture of low and high boiling components and oven heating. Neither component is a solvent until the article is heated. As the low boiling component boils away, it removes surface blemishes while the high boiling component keeps the surface soft and fiowable until all blemishes disappear. Injection molded cellulose acetate (CA), or its propionate (CAP) or butyrate (CAB) with flaws, mold flash and surface strain may be treated with a liquid of 80 to 99% low boiling solvent (200 F., or lower) and to 1% higher boiling solvent (over 200 R, up to 350 F.) by dipping, spraying, roller, or brush at or below F. After contact for 20 sec. to 4 min., excess solvent may be spun off and the article is placed in an oven for 1 to 4 min. at or above the boiling point of the lowest boiling solvent to 300 F.). Examples are: (1) CAB with toluene 90%, tetrachlorocthylene 5%, tributyrin 5%, one min. at room temp. (RT), two min. at 250 F.; (2) CAB with trichloroethylene 98%, ethylene glycol diacetate 2%, three min. at RT, three min. at (3) CAP with trichloroethylene 90%, ethylene glycoldiacetate 10%, three min. at RT, three min. at 195 F.; (4) CA with trichloroethylene 90%, methyl Cellosolve acetate 10%, two min. RT, three min. at 195 F. Xylene and naphthylene/triacetin are other, low/high boilers respectively.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US86796969A | 1969-10-20 | 1969-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST872012I4 true UST872012I4 (en) | 1970-03-31 |
Family
ID=25350819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US872012D Pending UST872012I4 (en) | 1969-10-20 | 1969-10-20 | Defensive publication |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST872012I4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4551292A (en) | 1984-04-05 | 1985-11-05 | Angiomedics, Inc. | Method for making a catheter with a soft, deformable tip |
-
1969
- 1969-10-20 US US872012D patent/UST872012I4/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4551292A (en) | 1984-04-05 | 1985-11-05 | Angiomedics, Inc. | Method for making a catheter with a soft, deformable tip |
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