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Publication numberUST918005 I4
Publication typeGrant
Publication dateJan 1, 1974
Filing dateApr 12, 1973
Priority dateApr 12, 1973
Publication numberUS T918005 I4, US T918005I4, US-I4-T918005, UST918005 I4, UST918005I4
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Defensive publication
US T918005 I4
Abstract  available in
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Description  (OCR text may contain errors)

DEFENSIVE PUBLICATTON UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 Oil. 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 JANUARY 1, 1974 918 O.G. 10 i wherein Ar is selected from R Q R R Q; @Q

I i R \X R R wherein R is independently selected from H, Cl, Br and Q, Q being alkyl of 1 to 3 carbon atoms, and X is selected from ll 0, S, 0, S02 and alkylene of l to 3 carbon atoms; wherein Ar is selected from wherein T is independently selected from H, OH, 0Q, Q, Cl and Br, and wherein X and Q are as defined above; and n is high enough to provide a film-forming molecular weight, the polymer having an inherent viscosity of at least about 0.2 and being substantially free from crosslinking.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
EP0662486A1 *Jul 25, 1994Jul 12, 1995Arakawa Kagaku Kogyo Kabushiki KaishaAromatic polyimine, process for producing the same, aromatic polyimine oligomer used for producing said polyimine, and process for producing said oligomer
U.S. Classification528/269
International ClassificationC08G73/00
Cooperative ClassificationC08G73/00
European ClassificationC08G73/00