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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.

Patent No.:

US 4143003 B1

PDFFull Text
Date of Patent:
Mar. 06, 1979

Filed:

May. 27, 1977

Polyurethanes made with linear polyamines

Applicant:
Inventors:

Peter Haas, Haan, DE;

Johannes Blahak, Cologne, DE;

Hans-Joachim Meiners, Leverkusen, DE;

Werner Mormann, Leverkusen, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorneys:

Harsh; Gene

Gil; Joseph C.

Parry; William E.

Primary Examiner:

Lewis T Jacobs

Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
521129 ; 2605 / ; 521170 ; 528 53 ;
Abstract

This invention relates to a process for the production of polyurethane resins (more particularly foam resins) in which linear polyamines containing at least four tertiary nitrogen atoms are used as catalysts. The compounds correspond to the general formula: ##STR1## wherein the groups R, which may be the same or different, represent methyl or ethyl groups; m represents an integer of from 2 to 7; and the integers n, which may be the same or different, represent 2 or 3.

Find Patent Forward Citations

Haas, Peter. (1979). Polyurethanes made with linear polyamines (U.S. Patent No. 4143003). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4143003

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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