The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 06, 1994

Filed:

Jul. 08, 1991
Applicant:
Inventors:

Takao Doi, Yokohama, JP;

Noriko Itaya, Tokyo, JP;

Masami Yamashita, Yokohama, JP;

Nobuaki Kunii, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
524593 ; 524594 ; 524596 ; 524597 ; 524611 ; 524612 ; 524721 ; 524755 ; 524757 ; 525398 ; 525472 ; 528 44 ; 528 61 ; 528176 ; 528230 ; 528232 ; 528254 ; 528256 ;
Abstract

A process for producing a condensed resin dispersion, which comprises subjecting an aldehyde and a compound condensable with the aldehyde, or their precondensate, to a condensation reaction in a dispersion medium consisting essentially of water and/or an organic solvent, to precipitate fine condensed resin particles which hardly settle in said dispersion medium, and then replacing the water and/or the organic solvent by an active hydrogen-containing compound having at least two active hydrogen-containing groups reactive with isocyanate groups.


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