Neutral-coloured 1K polyurethane adhesive

Details Neutral-coloured 1K polyurethane adhesive Neutral-coloured 1K polyurethane adhesive

2007-04-03

2007-04-03

Sergent, Rabon (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C252S182220, C528S067000, C528S076000, C528S077000, C528S085000, C528S905000, C560S025000, C560S026000, C560S358000, C560S359000

Reexamination Certificate

active

10988405

ABSTRACT:
A polyurethane prepolymer obtainable by reacting at least one aromatic polyisocyanate having symmetrical substitution of NCO groups and at least one aromatic polyisocyanate having asymmetric substitution of NCO groups, the fraction of aromatic polyisocyanate having symmetrical substitution of NCO groups being higher than the fraction of polyisocyanate having asymmetric substitution of NCO groups, and at least one polyol having an OH functionality of more than 2.5 and at least one polyol having an OH functionality of less than 2.5.

REFERENCES:
patent: 4038239 (1977-07-01), Coyner et al.
patent: 4297444 (1981-10-01), Gilbert et al.
patent: 4321333 (1982-03-01), Alberino et al.
patent: 5070114 (1991-12-01), Watts et al.
patent: 5142013 (1992-08-01), Cassidy et al.
patent: 5231159 (1993-07-01), Patterson et al.
patent: 5350778 (1994-09-01), Steppan et al.
patent: 5530085 (1996-06-01), Giorgini
patent: 5532403 (1996-07-01), Narayan et al.
patent: 5539009 (1996-07-01), Narayan et al.
patent: 5539010 (1996-07-01), Narayan et al.
patent: 5585452 (1996-12-01), Hurley et al.
patent: 5672635 (1997-09-01), Narayan et al.
patent: 6262139 (2001-07-01), Narayan et al.
patent: 6797798 (2004-09-01), Johnston
patent: 2003/0121786 (2003-07-01), Fieberg et al.
patent: 2 154 243 (1996-01-01), None
patent: 42 36 562 (1994-05-01), None
patent: 44 26 130 (1996-01-01), None
patent: 199 35 489 (2001-02-01), None
patent: 199 58 488 (2001-06-01), None
patent: 0 568 425 (1993-11-01), None
patent: 0 731 119 (1996-09-01), None
patent: 0 746 577 (1998-08-01), None
patent: WO 97/10274 (1997-03-01), None
patent: WO 02/26848 (2002-04-01), None
“Plastics—Resins in the liquid state or as emulsions or dispersions—Determination of apparent viscosity by the Brookfield Test Method”, (DIN EN ISO 2555), DIN Deutsches fur Normung e.V., pp. 1-9 (Jan. 2000).
“Adhesives—Determination of isocyanate content”, (DIN EN 1242), DIN Deutsches Institut fur Normung e.V., pp. 1-4 (May 1998).
“Classifications of thermosetting wood adhesives for non-structural applications”, (DIN EN 12765), DIN Deutsches Institut fur Normung e.V., pp. 1-5 (Sep. 2001).
“Test methods for wood adhesives for non-structural applications; determination of tensile shear strength of tap joints”, (DIN EN 205) DIN Deutsches Institut fur Normung e.V., pp. 1-5 (Oct. 1991).
Voranol CP 450 Polyol, Product Information, Form No. 109-51041-E-1000MJ (Dow Chemical Company).
Lupranol® 1000 Technical Data Sheet (Elastogran GmbH, BASF Group).
Molecular Weight of Carbopol® and Pemulen® Polymers, Noveon, Inc., Technical Data Sheet No. 222 (Rev. 12/99).

Affiliated with

Also associated with

Rating

Neutral-coloured 1K polyurethane adhesive does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Neutral-coloured 1K polyurethane adhesive, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Neutral-coloured 1K polyurethane adhesive will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3735388