UST896034I4 - Defensive publication - Google Patents

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Publication number
UST896034I4
UST896034I4 US896034DH UST896034I4 US T896034 I4 UST896034 I4 US T896034I4 US 896034D H US896034D H US 896034DH US T896034 I4 UST896034 I4 US T896034I4
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US
United States
Prior art keywords
defensive publication
defensive
molecular weight
useful
units
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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
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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.)
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Publication date
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Publication of UST896034I4 publication Critical patent/UST896034I4/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/19—Hydroxy compounds containing aromatic rings
    • C08G63/193—Hydroxy compounds containing aromatic rings containing two or more aromatic rings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/795—Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances

Abstract

NOVEL, HIGH MOLECULAR WEIGHT POLYMERS CONTAINING 3,6DIHYDROXY-9,9-DIMETHYLXANTHENE UNITS ARE USEFUL IN THE PREPARATION OF PHOTOGRAPHIC FILM BASES.

Description

DEFENSIVE PULICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 0.6%. 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 Office makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED MARCH 14, 1972 896 O.Gr. 422
T896,034 FILM FORMING POLYMERIC COMPOSITIONS Frederick L. Hamb and John C. Wilson, both of 1669 Lake Ave., Rochester, N.Y. 14650 Filed May 7, 1971, Ser. No. 141,398 Int. Cl. G03c 1/78 U.S. CI. 96-87 R No Drawing. 28 Pages Specification Novel, high molecular Weight polymers containing 3,6- dihydroxy-9,9-dimethy1xanthene units are useful in the preparation of photographic film bases.
US896034D 1971-05-07 1971-05-07 Defensive publication Pending UST896034I4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14139871A 1971-05-07 1971-05-07

Publications (1)

Publication Number Publication Date
UST896034I4 true UST896034I4 (en) 1972-03-14

Family

ID=22495524

Family Applications (1)

Application Number Title Priority Date Filing Date
US896034D Pending UST896034I4 (en) 1971-05-07 1971-05-07 Defensive publication

Country Status (1)

Country Link
US (1) UST896034I4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0675145A3 (en) * 1994-03-28 1995-11-29 Gen Electric Xanthene polymers and copolymers.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0675145A3 (en) * 1994-03-28 1995-11-29 Gen Electric Xanthene polymers and copolymers.

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