US2117237A - Wrapping paper - Google Patents

Wrapping paper Download PDF

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Publication number
US2117237A
US2117237A US150755A US15075537A US2117237A US 2117237 A US2117237 A US 2117237A US 150755 A US150755 A US 150755A US 15075537 A US15075537 A US 15075537A US 2117237 A US2117237 A US 2117237A
Authority
US
United States
Prior art keywords
sheet
wrapping paper
rancid
rancidity
pulp
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.)
Expired - Lifetime
Application number
US150755A
Inventor
George J Brabender
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marathon Paper Mills Co
Original Assignee
Marathon Paper Mills Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marathon Paper Mills Co filed Critical Marathon Paper Mills Co
Priority to US150755A priority Critical patent/US2117237A/en
Application granted granted Critical
Publication of US2117237A publication Critical patent/US2117237A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/42—Applications of coated or impregnated materials

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Description

Patented May 10, 1938 UNITED STATES PATENT OFFICE WRAPPING PAPER No Drawing.
Application June 28, 1937,
Serial N0. 150,755
Claims.
This invention relates to prevention of rancidity in wrapping paper for foods, particularly meats.
Hitherto great difficulty has been experienced 5 in eliminating a rancid odor which develops in wrapping paper for meats, fish and the like, the paper being impregnated with petroleum derived materials normally tending to become rancid.
According to the invention rancidity can be eliminated by adding a ligneous rancidity inhibiting agent to the usual stock from which the paper is made such as suiphite pulp, bleached or unbleached, and bleached or unbleached kraft pulp. It has been found advantageous, for example, to add from 1 to 10% of chemically untreated groundwood pulp to the pulp furnish used for making the wrapper. For example, 10% of spruce groundwood pulp is added to unbleached sulphite and a sheet is formed from this stock on the paper machine. A 32-lb. (241(36-480) basis weight sheet so made is treated with petrolatum or other water-proofing material until the body of the sheet is thoroughly saturated producing a finished weight of the sheet of approximately 40-lb. (2ix364=80) basis weight. This sheet will show no free petrolatum on the sheet surface and is particularly adapted for use as a Wrapper for raw meats. It is characterized by a fair degree of resistance to the penetration by meat juices and fats and has considerable strength when wetted by the meat.
Wrapping paper made in accordance with this invention will not develop any rancid or objectionable odor over long periods of time. The
exact mechanism is not known which is responsible for inhibiting rancidity of petrolatum, parafiin waxes, mineral oils, or other waterproofing ingredients contained in the paper which normally turn rancid after a lapse of time. The 5 added ligneous material appears to contain an agent which inhibits the rancidity of the waterproofing materials.
I claim:
-1. Rancid-proof wrapping paper consisting of 10 a sheet of paper treated with petrolatum, said sheet containing 1 to 10 per cent groundwood to retard rancidity.'
2. Rancid-proof wrapping paper consisting oi a sheet made of unbleached sulphite pulp treated 15 with petrolatum, said sheet containing 1 to 10% groundwood pulp to retard rancidity.
3. Rancid-proof wrapping paper consisting of a sheet of paper treated with a petroleumderived water-proofing substance tending to be- 20 come rancid, said sheet containing 1 to 10 per cent groundwood to retard rancidity.
4. Rancid-proof wrapping paper consisting of a sheet of paper treated with a petroleum-derived water-proofing substance tending to become rancid, said sheet consisting of unbleached sul-= phite pulp and 1 to 10% groundwood to retard rancidity.
5. Rancid-proof wrapping paper consisting of a sheet made of unbleached sulphite pulp treated with petrolatum, said sheet containing 1 to 10% spruce groundwood pulp to retard rancidity.
GEORGE J. BRABENDER.
US150755A 1937-06-28 1937-06-28 Wrapping paper Expired - Lifetime US2117237A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US150755A US2117237A (en) 1937-06-28 1937-06-28 Wrapping paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US150755A US2117237A (en) 1937-06-28 1937-06-28 Wrapping paper

Publications (1)

Publication Number Publication Date
US2117237A true US2117237A (en) 1938-05-10

Family

ID=22535860

Family Applications (1)

Application Number Title Priority Date Filing Date
US150755A Expired - Lifetime US2117237A (en) 1937-06-28 1937-06-28 Wrapping paper

Country Status (1)

Country Link
US (1) US2117237A (en)

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