Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
tesa Aktiengesellschaft Patents
Assignee:
tesa Aktiengesellschaft
Address:
Hamburg, DE
No. of patents:
32
Patents:




Patent Number Title Of Patent Date Issued
7432326 Pressure-sensitive adhesive based on acrylate block copolymers October 7, 2008
The invention provides an acrylate-based pressure-sensitive adhesive comprising a polymer blend having (a) at least a first component K.sub.c which comprises a first acrylate block copolymer having at least two chemically distinguishable, covalently interlinked acrylate polymer block
7410694 Adhesive August 12, 2008
The invention relates to an adhesive. Provision is made for the adhesive to comprise (a) 50 to 95% by weight of a heat-activable or pressure-sensitively adhesive polymer formed from a comonomer mixture comprising, based on the polymer, (a1) 40 to 95% by weight of acrylic and/or meth
7402632 2-Component crosslink of end-functionalized polyacrylates July 22, 2008
Method for increasing the molecular weight of polyacrylates, in which polyacrylates, functionalized at least in part of their chain ends by functional groups X, are reacted with a compound having at least functional groups Y capable of linking reactions with functional groups X.
7309524 Adhesive and its use for an at least one-layer PSA sheet strip which can be redetached without r December 18, 2007
An adhesive for an at least one-layer pressure sensitive adhesive sheet strip which is residuelessly and nondestructively redetachable by extensive stretching substantially in the bond plane, said adhesive being composed of at least one block copolymer having one or two end blocks co
7271203 Crosslinking of photoiniator-initialized polyacrylates September 18, 2007
A process for increasing the molecular weight of polyacrylates, characterized in that polyacrylates which are functionalized at least on one part of their chain ends by photoinitiator groups X are exposed to actinic radiation, so that a direct linking reaction of the polyacrylates ta
7252111 Transport of highly viscous fluids in closed pipeline systems August 7, 2007
Apparatus far equilibrating differences between flow rates into and out of closed pipeline systems, which apparatus includes a tank having a supply line and a discharge unit, with a displaceable plate; the supply being fed to the tank through the displaceable plate, the discharge from th
7250191 Self-adhesive labels, their production and use July 31, 2007
A label comprising at least one first print substrate layer printed on one side with a self-adhesive composition which if desired is lined with a release paper or a release film, where on the first print substrate layer first, on the side directed toward the adhesive a printing ink has b
7175898 Reusable elastic adhesive sheet redetachable without residue or damage February 13, 2007
A single-sidedly or double-sidedly pressure-sensitively adhesive, elastic adhesive sheet comprising at least one layer of a pressure-sensitive adhesive, and having a maximum stretchability of more than 200% and a recovery of more than 60% after stretching to 2/3 of its maximum elonga
7160976 Polyurethane PSA January 9, 2007
Pressure-sensitive adhesive based on polyurethane, characterized in that the polyurethane is composed of the following starting materials which are reacted with one another in the stated proportions: a) at least one aliphatic or alicyclic diisocyanate having in each case an asymmetrical
7152825 Adhesive tape for flying splice December 26, 2006
Adhesive tape for the flying splice of flat web material wound up into rolls, said tape having an adhesive face and a nonadhesive reverse and also two longitudinal edges (L1, L2), and having a main carrier coated unilaterally on the face with a self-adhesive composition, only part of
7144928 UV-transparent pressure sensitive adhesive December 5, 2006
A UV-transparent pressure sensitive adhesive comprising (a) a copolymer of (a1) from 75 to 99.8% by weight of acrylic esters and/or methacrylic esters of the formula CH.sub.2.dbd.CH(R.sub.1)(COOR.sub.2), where R.sub.1 is H or CH.sub.3 and R.sub.2 is an alkyl chain having 1 to 20 carbo
7135212 Adhesive security tape that allows to detect unauthorized broaching of a package November 14, 2006
A multilayer adhesive tape having a backing based on an oriented thermoplastic film, whose upper face is coated, if desired, with a release coating and to whose lower face the following layers have been applied: a) a primer layer which is not applied over the full area and which an
7119128 Method for producing acrylate adhesive materials October 10, 2006
A process for preparing pressure sensitive adhesives based on acrylate hotmelt, in which a monomer mixture including at least the following monomers (a) 70 to 100% by weight of compounds from the group of (meth)acrylic acid and the derivatives thereof corresponding to the following g
7091300 Polyurethane PSA for sensitive surfaces August 15, 2006
Polyurethane-based pressure-sensitive adhesive which attaches strongly to polar plastic surfaces, smooth metal surfaces and glass, but which has weak, if any, adhesion to paper, paperboard or skin and is easily detachable without damaging surfaces during its removal, and is reusable.
7090898 Coating process for producing products in web form having at least two layers by application of August 15, 2006
A process for producing products in web form comprising at least two layers, in which a composition emerging from an applicator is applied as a layer to a substrate in web form which is guided on a transport means, said application taking place with application of electrostatic charges,
7090734 Dispenser for continuously and discontinuously dispensing material composed of double-sidedly se August 15, 2006
A dispenser for dispensing double-sided adhesive tape, from a reel, comprising a press for pressing the tape onto a product, a cutter which guides the tape and makes an incision in the tape and a controller for controlling the application of the tape to the product.
7087278 Adhesive tape for a continuous roll change August 8, 2006
An adhesive tape for flying splice, having a) two long edges (14, 16) of a top side and of a bottom side, b) a cleavable backing system (7), c) a self-adhesive composition (8) on the top side of the cleavable backing (7) and d) a self-adhesive composition (9) on the bottom side of the
7071269 Acrylic PSAs with narrow molecular weight distribution July 4, 2006
A process for preparing acrylic pressure sensitive adhesives by means of radical polymerization of a monomer mixture to give a polyacrylate, wherein said polymerization is carried out with an initiator system comprising at least one triazolinyl compound of the general formula ##STR00
7067581 Repulpable PSAs June 27, 2006
The invention relates to a repulpable pressure-sensitive adhesive. Provision is made for the repulpable pressure-sensitive adhesive to comprise at least one polyacrylate-based block copolymer.
7004995 Triboelectric charging of wovens and knitted fabrics February 28, 2006
A method for the utilization of a woven or loop-formingly knitted fabric which acquires an electrostatic charge as a result of a specific treatment for filtering airborne, dusty allergens such as pollen in a pollen guard mountable in front of windows and doors over the whole area the
6991828 Use of macromonomers to prepare acrylic PSAs January 31, 2006
The use of macromonomers which have a glass transition temperature of at least 20.degree. C., have at least one oligomeric and/or polymeric structural unit which is incompatible with polyacrylates, and have at least one polymerizable double bond in the form of a vinyl, acrylate and
6984428 Pressure-sensitive adhesive mass and the use thereof January 10, 2006
Pressure sensitive adhesive strip which is detachable without destruction and without leaving a residue.
6958186 Double sided adhesive tape October 25, 2005
An adhesive tape comprising at least a three-layer product structure having the following layers A, B, and C with the layer sequence ABC: Layer A: heat activatable adhesive having a characteristic activation temperature T.sub.A of at least +30.degree. C., Layer B: crosslinked polyureth
6951301 Combination closure and tear tape, packaging materials containing it, and method of using it to October 4, 2005
A combination closure tape and tear strip, an object comprising the combination closure tape and tear strip, and a method of sealing and later opening said object utilizing the combination closure tape and tear strip are disclosed.
6939588 Cross linkage of pressure-sensitive adhesive substances by means of electron beams September 6, 2005
A process for crosslinking a coating of pressure-sensitive adhesive systems on a backing material, characterized in that the pressure-sensitive adhesive system present on the backing material is irradiated with accelerated electrons by means of an irradiation means, the backing materia
6936553 Method of wrapping elongate product, especially cable harnesses August 30, 2005
A wrap for wrapping elongate product, especially cable harnesses, with a preferably textile sheath, wherein there is a self-adhesive tape present on at least one edge region of the sheath that is narrow in comparison to the width of the sheath, said tape being adhered on the sheath in su
6881442 Continuous two-stage preparation of solvent-free polyacrylate hotmelt PSAs April 19, 2005
In a continuous two-stage process for preparing solvent-free polyacrylate hotmelt pressure sensitive adhesives which is gentle on the polymer and redeploys the solvent used in the process the following steps are carried out: polymerizing a self-adhesive pressure sensitive adhesive in
6874740 Use of an adhesive tape section April 5, 2005
An adhesive tape section having an adhesive region and designed as a polygon having a number of sides and the same number of grip tabs arranged around the adhesive region, or designed as a circle, the adhesive region occupying a central portion of said circle, and a grip tab occupying an
6866235 Adhesive sheet strip March 15, 2005
An adhesive sheet strip for a redetachable bond, removable from a joint by pulling in the direction of the bond plane, having a nonadhering grip tab and a subsequent single-sidedly or double-sidedly adhering strip, which comprises of: a) a backing composed of a film having a tensile s
6822048 Use of isocyanates in the preparation of highly viscous self-adhesive compositions November 23, 2004
Hot-melt pressure-sensitive adhesive based one or more non-thermoplastic elastomers, at least comprising 100 parts by mass of the non-thermoplastic elastomer(s), from 1 to 200 parts by mass of one or more tackifying resins, and also one or more polyfunctional isocyanates which are free
6703441 Oriented acrylic block copolymers March 9, 2004
An oriented pressure sensitively adhesive system comprising a pressure sensitive adhesive which is comprised of at least one block copolymer composed at least in part of (meth)acrylic acid derivatives, and at least one block copolymer comprising the unit P(A)-P(B)-P(A), where P(A) ind
6652963 Pressure sensitive adhesive, particularly for apolar surfaces November 25, 2003
A pressure sensitive adhesive based on block copolymers which have at least one unit composed of a series of three alternating polymer blocks P(A) and P(B), wherein P(A) represents a homopolymer or copolymer block formed from a component A which itself comprises at least one acrylated

 
 
  Recently Added Patents
Probe card
Method for dominant color setting of video region and data structure and method of confidence measure extraction
Methods of treating cancer by administering antibodies to CD200
Multiuse telecommunications power system
Fuel cell cogeneration system
System for biometric security using a smartcard
Method of implanting an intraocular lens system
  Randomly Featured Patents
Portal guard
Clevis
Scratch-resistant coating
Underwater connector assembly
On-the-fly data integrity transfer system handling mixed block sizes
Single airway mouth guard
Apparatus for the extrusion, expansion and/or thermal treatment of substances and substance mixtures
Optical signal transmitter having an apc circuit with automatic bias current control
Desalinization apparatus
Mechanical bridge assembly and method