Wednesday, July 8, 2026

Patent intelligence · US

US 8604033

Preparation of 4-amino-thiazoles and 3-amino-1,2,4-thiadiazoles and their use as allosteric modulators of metabotropic glutamate receptors

granted A61PA61P1/00A61P1/04A61P25/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 7
Applicant portfolio 40
Patent details — US 8604033
Jurisdiction
US
Status
granted
Grant date
Dec 10, 2013
Expiration
Dec 5, 2033
Applicant
Addex Pharma, S.A.
Claims
11
CPC classes
A61P, A61P1/00, A61P1/04, A61P25/00
View on Google Patents ↗

Quick answer

US 8604033 (Preparation of 4-amino-thiazoles and 3-amino-1,2,4-thiadiazoles and their use as allosteric modulators of metabotropic glutamate receptors) is held by Addex Pharma, S.A.. Status: granted. Granted Dec 10, 2013. Expires Dec 5, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Addex Pharma, S.A.
Grant date
Expiration
Claims
11
CPC classes
A61P, A61P1/00, A61P1/04, A61P25/00, A61P25/06, A61P25/08

More from Addex Pharma, S.A.

Related pharmaceutical patents in our USPTO index.

  1. US 11071729

    1′,3′-disubstituted-4-phenyl-3,4,5,6-tetrahydro-2H,1′H-[1,4′]bipyridinyl-2′-ones

    Addex Pharmaceuticals S.A. · Expires Jul 22, 2041

    granted
  2. US 10071095

    1,2,4-triazolo [4,3-A] pyridine derivatives and their use for the treatment of neurological and psychiatric disorders

    Addex Pharma, S.A. · Expires Sep 6, 2038

    granted
  3. US 9938270

    Mono-phosphate salt of 6-fluoro-2-[4-(pyridin-2-yl)but-3-yn-1-yl]imidazo[1,2A]pyridine (dipraglurant) and polymorphs thereof as negative allosteric modulator of MGLU5 receptor

    Addex Pharma, S.A. · Expires Apr 5, 2038

    granted
  4. US 9765091

    Tetrahydropyrazolo [3,4-b] azepine derivatives and their use as allosteric modulators of metabotropic glutamate receptors

    Addex Pharma, S.A. · Expires Sep 14, 2037

    granted
  5. US 9737533

    1,2,4-triazolo [4,3-A] pyridine derivatives and their use for the treatment of prevention of neurological and psychiatric disorders

    Addex Pharma, S.A. · Expires Aug 17, 2037

    granted
  6. US 9266834

    1, 4-disubstituted 3-cyano-pyridone derivatives and their use as positive allosteric modulators of MGLUR2-receptors

    Addex Pharma, S.A. · Expires Feb 18, 2036

    granted
  7. US 9226930

    1,2,4-triazolo [4,3-a] pyridine derivatives and their use for the treatment of prevention of neurological and psychiatric disorders

    Addex Pharma, S.A. · Expires Dec 31, 2035

    granted
  8. US 9132122

    1′,3′-disubstituted-4-phenyl-3,4,5,6-tetrahydro-2H,1′H-[1,4′]bipyridinyl-2′-ones

    Addex Pharma, S.A. · Expires Sep 10, 2035

    granted

Frequently asked questions

What is US patent 8604033?

US 8604033 (Preparation of 4-amino-thiazoles and 3-amino-1,2,4-thiadiazoles and their use as allosteric modulators of metabotropic glutamate receptors) is held by Addex Pharma, S.A.. Status: granted. Granted Dec 10, 2013. Expires Dec 5, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8604033?

Addex Pharma, S.A. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 40 pharmaceutical patents for this assignee.

When does US 8604033 expire?

Our index shows an expiration date of Dec 5, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.