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Publication numberUST858012 I4
Publication typeGrant
Publication dateJan 7, 1969
Publication numberUS T858012 I4, US T858012I4, US-I4-T858012, UST858012 I4, UST858012I4
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Best available copy
US T858012 I4
Abstract  available in
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Description  (OCR text may contain errors)

BEST AVAlLABLE COPY DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Publiahed at the requcet of the applicant or owner in accordance with the Notice of Apr. 11, 1968, 849 0.0. 1221. Identification la by aerial number of the application and the heading indicate: the number of pages of lpeclilcation, including claims, and ot lheeu of drawin contained in the application u originally filed. The me 0! thin application ll available to the public for inapection; reproduction may be purchased tor 30 centa per sheet.

Application pobllahed under the Deicnalve Publication Program have not been examined al to the merlta or alleged invention. The Patent Oflce makes no aaeertlon an to the novelty o! the dlecloeed Iubieet matter.

PUBLISHED JANUARY 7, 1969 72 4 suns'nures ummuen wrm rowrsmn MELT ADHESIVE DERIVED IN PART FROM A 1,Z,4,4-TETRAALKYLI,3 CYCLOEUTANEDIOL John It. Caldwell and Recall Gllkey, both cl L0. Box 511, Kipper-t, Tenn. 37662 IledMayl5,Dfl.hhllehedlan.1,1969

N Chg 161-214 0 Drawhg. Page:

A laminated etructure comprising at least two tubetratee bonded together by a melt adhesive comprising a linear condensation polyester derived from (A) at least one difunctional carboaylic acid and (B) at least one ditunctional dihydroxy component aelected from the group coaching of (l), a 2.2.4.4-tetraalkyi-13-cyclobw tanediol and (2) a mixture compoeed of a 2,2,4,4-tetraalkyHJ-cyclobutanediol and up to 95 mol percent of said mixture of a difierent difunctional dihydroxy compound, wherein said 2,2,4,4-tetraalkyl-1,3-cyclobutanediol isaelectedtrcmthegroupconaistingotitecisandtnm isomer: and mixtures tbereo! with said alkyl group contain'm from one to our carbon atom. The term polyeater include: both polyester: and polycarbonate: such as the bisethyl carbonate ester of 50% oil 2,2,4,4-tetramethyl-1,3-cyclobutanediol. The melt adhesive is advantageous for use in laminated structures which must withrtand extreme temperature diflcrentialr.

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