Patent DE1006117B successfully refreshed from Google Patents.
EP0128849A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Purified transforming growth factor-beta derived from human platelets and placentas
Assignee: United States Department of Commerce
•
Filing: 1984-06-04
•
Granted: —
•
Expires: 2004-06-04
Abstract
Abstract A purified beta-type transforming growth factor derived from human blood platelets and from human placentas is described.
Inventors
- 👤 Charles A. Frolik
- 👤 Richard K. Assoian
- 👤 Michael B. Sporn
- 👤 Anita B. Roberts
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/475; C07K14/495
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
21 words
A purified beta-type transforming growth factor derived from one selected from the group consisting of human blood platelets and human placentas.
Claim 2
Dependent Claim
21 words
A purified beta-type transforming growth factor derived from one selected from the group consisting of human blood platelets and human placentas.
Claim 3
Dependent Claim
43 words
A purified beta-type transforming growth factor according to Claim 1, wherein said factor is derived from human blood platelets and is comprised of the following amino acid residues per mole of said factor, based upon a molecular weight for said factor of 25,000:
Claim 6
Dependent Claim
46 words
A purified be.ta-type transforming growth factor according to Claim 1, wherein said factor comprises two subunits, each of said subunits having a partial amino acid sequence as determined by Edman Degradation comprising the following amino acids: alanine, leucine, aspartic acid, thereonine, asparagine, tyrosine, phenylalanine, and serine.
Claim 7
Dependent Claim
21 words
A purified beta-type transforming growth factor according to Claim 3, wherein said partial amino acid sequence is: wherein CMC denotes S-carboxymethylcysteine.
Claim 8
Dependent Claim
42 words
A purified beta-type transforming growth factor according to Claim 1, wherein said factor is derived from human placentas and is comprised of the following amino acid residues per mole of said factor, based upon a molecular weight for said factor of 25,000:
References Cited (Backward Citations)
WO1984001106A1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.